{"schema_version":"onlylabs.public_signal.v1","title":"Amazon (Nova) Release: amazon-science/uniqsketch v1.5.0","description":"Amazon (Nova) release signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/b2604853-97c5-44f9-917b-45150ba3ff75","json_url":"https://onlylabs.fyi/signals/b2604853-97c5-44f9-917b-45150ba3ff75/signal.json","generated_at":"2026-07-26T18:52:16.273Z","evidence_latest_fetched_at":"2026-07-18T07:01:41.884502+00:00","signal_first_seen_at":"2026-07-18T07:00:36.328741+00:00","org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/amazon","dossier_json_url":"https://onlylabs.fyi/labs/amazon/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/b2604853-97c5-44f9-917b-45150ba3ff75","signal_json":"https://onlylabs.fyi/signals/b2604853-97c5-44f9-917b-45150ba3ff75/signal.json","source":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.5.0","lab_dossier":"https://onlylabs.fyi/labs/amazon","lab_dossier_json":"https://onlylabs.fyi/labs/amazon/dossier.json","analysis":"https://onlylabs.fyi/analysis/amazon","analysis_json":"https://onlylabs.fyi/analysis/amazon/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/amazon/evidence.json","category":"https://onlylabs.fyi/frontier","category_json":"https://onlylabs.fyi/frontier.json","category_feed":"https://onlylabs.fyi/frontier/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","topic":"https://onlylabs.fyi/topics/releases","topic_signals_json":"https://onlylabs.fyi/topics/releases/signals.json","topic_feed":"https://onlylabs.fyi/topics/releases/feed.xml","data_business":null},"answer_pack":{"answer":"Amazon (Nova) published amazon-science/uniqsketch v1.5.0 (amazon-science/uniqsketch). This release signal is evidence of what shipped, changed, or was packaged for users. High-signal details: v1.5.0 — uniqsketch --min-margin signature hardening Repository: amazon-science/uniqsketch Tag: v1.5.0 Published: 2026-07-17T17:37:48Z Prerelease: no Release notes:.... onlylabs links this event to 1 captured evidence page and 6 related release signals.","signal_desk":"releases","source_context":{"source_url":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.5.0","source_host":"github.com","occurred_at":"2026-07-17T17:37:48+00:00","first_seen_at":"2026-07-18T07:00:36.328741+00:00","date_source":"source","context":"amazon-science/uniqsketch"},"context_markers":[{"label":"Lab","value":"Amazon (Nova)","source":"signal"},{"label":"Signal desk","value":"releases","source":"signal"},{"label":"Source host","value":"github.com","source":"source"},{"label":"Repository","value":"amazon-science/uniqsketch","source":"source"},{"label":"Release","value":"v1.5.0 — uniqsketch --min-margin signature hardening","source":"source"}],"evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://github.com/amazon-science/uniqsketch/releases/tag/v1.5.0"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-07-18T07:01:41.884502+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/b2604853-97c5-44f9-917b-45150ba3ff75/signal.json","dossier_json":"https://onlylabs.fyi/labs/amazon/dossier.json","analysis_json":"https://onlylabs.fyi/analysis/amazon/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/amazon/evidence.json","topic_signals_json":"https://onlylabs.fyi/topics/releases/signals.json","topic_feed":"https://onlylabs.fyi/topics/releases/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","data_radar_json":null,"opportunities_json":null},"analysis_playbook":{"objective":"Turn model cards, repository releases, and launch artifacts into a current view of what shipped and what changed.","evidence_focus":["model card","release note","version or tag","pipeline tag","license","downloads, likes, stars, and linked papers"],"extraction_questions":["What actually shipped, and through which public artifact?","Which releases include inspectable model, repo, paper, or package evidence?","Which launches create new eval, data, infra, or deployment needs?","Which shipped signals are missing captured page context?"],"signal_questions":["What changed in this release, and what downstream data or infrastructure need could it create?","What actually shipped, and through which public artifact?","Which releases include inspectable model, repo, paper, or package evidence?","Do the 6 related release signals show a repeated pattern?"],"output_fields":["org","release_type","artifact","traction","data_business_lane","evidence_url"],"data_business_relevance":"Release signals show the hard edge of lab execution and help connect data-business opportunities to concrete model, repo, and deployment changes.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/b2604853-97c5-44f9-917b-45150ba3ff75/signal.json","required":true},{"label":"source","url":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.5.0","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/amazon/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/amazon/evidence.json","required":true},{"label":"topic_signals_json","url":"https://onlylabs.fyi/topics/releases/signals.json","required":false},{"label":"data_radar_json","url":null,"required":false}],"expected_output":["one-paragraph source-grounded interpretation","category-specific implication","confidence and missing evidence","recommended next source to inspect"],"prompt_seed":"Using only the linked onlylabs JSON, captured source context, and cited evidence, analyze Amazon (Nova)'s release signal \"amazon-science/uniqsketch v1.5.0\" for frontier lab strategy."},"semantic_triples":[{"subject":"Amazon (Nova)","predicate":"released","object":"amazon-science/uniqsketch v1.5.0","text":"Amazon (Nova) released amazon-science/uniqsketch v1.5.0."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"is classified as","object":"release signal","text":"amazon-science/uniqsketch v1.5.0 is classified as release signal."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"belongs to","object":"releases desk","text":"amazon-science/uniqsketch v1.5.0 belongs to releases desk."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"has context","object":"amazon-science/uniqsketch","text":"amazon-science/uniqsketch v1.5.0 has context amazon-science/uniqsketch."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"has evidence coverage","object":"1 captured evidence page","text":"amazon-science/uniqsketch v1.5.0 has evidence coverage 1 captured evidence page."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"has captured page count","object":"1","text":"amazon-science/uniqsketch v1.5.0 has captured page count 1."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"has readable page count","object":"1","text":"amazon-science/uniqsketch v1.5.0 has readable page count 1."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"has related signal count","object":"6","text":"amazon-science/uniqsketch v1.5.0 has related signal count 6."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"has analysis playbook objective","object":"Turn model cards, repository releases, and launch artifacts into a current view of what shipped and what changed.","text":"amazon-science/uniqsketch v1.5.0 has analysis playbook objective Turn model cards, repository releases, and launch artifacts into a current view of what shipped and what changed.."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"has source host","object":"github.com","text":"amazon-science/uniqsketch v1.5.0 has source host github.com."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"has lab","object":"Amazon (Nova)","text":"amazon-science/uniqsketch v1.5.0 has lab Amazon (Nova)."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"has signal desk","object":"releases","text":"amazon-science/uniqsketch v1.5.0 has signal desk releases."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"has source host","object":"github.com","text":"amazon-science/uniqsketch v1.5.0 has source host github.com."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"has repository","object":"amazon-science/uniqsketch","text":"amazon-science/uniqsketch v1.5.0 has repository amazon-science/uniqsketch."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"has release","object":"v1.5.0 — uniqsketch --min-margin signature hardening","text":"amazon-science/uniqsketch v1.5.0 has release v1.5.0 — uniqsketch --min-margin signature hardening."}]},"intelligence":{"signal_desk":"releases","answer":"Amazon (Nova) published amazon-science/uniqsketch v1.5.0 (amazon-science/uniqsketch). This release signal is evidence of what shipped, changed, or was packaged for users. High-signal details: v1.5.0 — uniqsketch --min-margin signature hardening Repository: amazon-science/uniqsketch Tag: v1.5.0 Published: 2026-07-17T17:37:48Z Prerelease: no Release notes:.... onlylabs links this event to 1 captured evidence page and 6 related release signals.","semantic_triples":[{"subject":"Amazon (Nova)","predicate":"released","object":"amazon-science/uniqsketch v1.5.0","text":"Amazon (Nova) released amazon-science/uniqsketch v1.5.0."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"is classified as","object":"release signal","text":"amazon-science/uniqsketch v1.5.0 is classified as release signal."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"belongs to","object":"releases desk","text":"amazon-science/uniqsketch v1.5.0 belongs to releases desk."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"has context","object":"amazon-science/uniqsketch","text":"amazon-science/uniqsketch v1.5.0 has context amazon-science/uniqsketch."},{"subject":"amazon-science/uniqsketch v1.5.0","predicate":"has evidence coverage","object":"1 captured evidence page","text":"amazon-science/uniqsketch v1.5.0 has evidence coverage 1 captured evidence page."}]},"signal":{"id":"b2604853-97c5-44f9-917b-45150ba3ff75","url":"https://onlylabs.fyi/signals/b2604853-97c5-44f9-917b-45150ba3ff75","json_url":"https://onlylabs.fyi/signals/b2604853-97c5-44f9-917b-45150ba3ff75/signal.json","source_url":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.5.0","title":"amazon-science/uniqsketch v1.5.0","summary":"Amazon (Nova) published release notes. onlylabs watches releases for what actually shipped.","context":"amazon-science/uniqsketch","kind":{"key":"release","label":"Release"},"org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab"},"occurred_at":"2026-07-17T17:37:48+00:00","first_seen_at":"2026-07-18T07:00:36.328741+00:00","date_source":"source","evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://github.com/amazon-science/uniqsketch/releases/tag/v1.5.0"]},"facets":{"repo":"amazon-science/uniqsketch"},"traction":{"github_stars":null,"hn_points":null,"hn_comments":null,"hn_story_id":null,"hf_downloads":null,"hf_likes":null},"data_radar":null},"primary_evidence_page":{"is_primary":true,"source_match":true,"url":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.5.0","final_url":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.5.0","title":"amazon-science/uniqsketch v1.5.0","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-07-18T07:01:41.884502+00:00","bytes":3212,"raw_path":"d073af68bfe29a637b465a621eb0f0aa5e5cb0c112f85b340f2f8cfc95032b2a.json","content_hash":"20a270e46e18df672f18bef5535507f594b6c2af2e981ef24f2bd76847adc4da","excerpt_chars":1200,"truncated":false,"excerpt":"v1.5.0 — uniqsketch --min-margin signature hardening Repository: amazon-science/uniqsketch Tag: v1.5.0 Published: 2026-07-17T17:37:48Z Prerelease: no Release notes: Features - **`uniqsketch --min-margin=N`: harden signature selection against single-base sequencing errors.** With `--min-margin=2`, `uniqsketch` prefers signatures that lie at Hamming distance ≥ 2 from every k-mer in other references, so a single substitution error in a read cannot turn a foreign k-mer into one of a reference's signatures — a source of false-positive hits. It is a tiered preference: within each genomic selection slot a 2-safe, non-low-complexity candidate is chosen when available, falling back to the previous behavior only when a slot has no 2-safe option, so per-reference signature counts and genomic spacing are preserved. A summary line reports how many selected signatures met the margin. The default (`--min-margin=1`) leaves selection unchanged. 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