{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:TCFOQE2QLDKIEEKTZV6LHHUC7C","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"bf40e80aede2d036dd0a2f0b6bf89d5a6156966ff162cc795471124851c0a6d3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-01-14T20:36:12Z","title_canon_sha256":"4d7b57bd8cd906668d9153ba17d511bc5f3a99b9187f337103968040580707be"},"schema_version":"1.0","source":{"id":"2101.05858","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.05858","created_at":"2026-07-05T02:14:45Z"},{"alias_kind":"arxiv_version","alias_value":"2101.05858v2","created_at":"2026-07-05T02:14:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.05858","created_at":"2026-07-05T02:14:45Z"},{"alias_kind":"pith_short_12","alias_value":"TCFOQE2QLDKI","created_at":"2026-07-05T02:14:45Z"},{"alias_kind":"pith_short_16","alias_value":"TCFOQE2QLDKIEEKT","created_at":"2026-07-05T02:14:45Z"},{"alias_kind":"pith_short_8","alias_value":"TCFOQE2Q","created_at":"2026-07-05T02:14:45Z"}],"graph_snapshots":[{"event_id":"sha256:0f898b6485e452c158af117d51251945bf40aeb6925be37355a58c76c1723be5","target":"graph","created_at":"2026-07-05T02:14:45Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2101.05858/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report the discovery of two unsaturated organic species, trans-(E)-cyanovinylacetylene and vinylcyanoacetylene, using the second data release of the GOTHAM deep survey towards TMC-1 with the 100 m Green Bank Telescope. For both detections, we performed velocity stacking and matched filter analyses using Markov chain Monte Carlo simulations, and for trans-(E)-cyanovinylacetylene, three rotational lines were observed at low signal-to-noise (${\\sim}$3$\\sigma$). From this analysis, we derive column densities of $2\\times10^{11}$ and $3\\times10^{11}$ cm$^{-2}$ for vinylcyanoacetylene and trans-(E","authors_text":"Andrew M. Burkhardt, Anthony Remijan, Brett A. McGuire, Christopher N. Shingledecker, Ci Xue, Ilsa R. Cooke, Kin Long Kelvin Lee, Mark A. Siebert, Michael C. McCarthy, Ryan A. Loomis, Steven B. Charnley","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-01-14T20:36:12Z","title":"Discovery of Interstellar trans-cyanovinylacetylene (HCCCH=CHCN) and vinylcyanoacetylene (H$_2$C=CHC$_3$N) in GOTHAM Observations of TMC-1"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.05858","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:1a695d5fa2ef699e208857b983dc732c754c31ee547f53605dbe84d89cae39e9","target":"record","created_at":"2026-07-05T02:14:45Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"bf40e80aede2d036dd0a2f0b6bf89d5a6156966ff162cc795471124851c0a6d3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-01-14T20:36:12Z","title_canon_sha256":"4d7b57bd8cd906668d9153ba17d511bc5f3a99b9187f337103968040580707be"},"schema_version":"1.0","source":{"id":"2101.05858","kind":"arxiv","version":2}},"canonical_sha256":"988ae8135058d4821153cd7cb39e82f8bd47f75a5c865cfb20fba3285e05b81d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"988ae8135058d4821153cd7cb39e82f8bd47f75a5c865cfb20fba3285e05b81d","first_computed_at":"2026-07-05T02:14:45.306874Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:14:45.306874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j9SOO5Cl5sZ6tNLRqZQah5sK7EMkTePHXC/X7eJM3SameeeUmmtB15oe/mE76y0YtYpin24PcHgEncdpGqWMBA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:14:45.307325Z","signed_message":"canonical_sha256_bytes"},"source_id":"2101.05858","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1a695d5fa2ef699e208857b983dc732c754c31ee547f53605dbe84d89cae39e9","sha256:0f898b6485e452c158af117d51251945bf40aeb6925be37355a58c76c1723be5"],"state_sha256":"415881a555de02d38f4a8380bc875c51ae3b409ecd66cb41c92b93f919edf013"}