{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:VPJXBCED4M4KUD373UBP44HCYI","short_pith_number":"pith:VPJXBCED","canonical_record":{"source":{"id":"2603.23877","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-03-25T03:08:58Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"4b6c0ea60ee9a5b1a5cdf54beefd2dce48eaf2e8b572e4d5a4584f18c8753ee3","abstract_canon_sha256":"4bd4f6bc6198d7e973bea02bc7e77adbf682cbb0e782bc34893fbc59aa6ace74"},"schema_version":"1.0"},"canonical_sha256":"abd3708883e338aa0f7fdd02fe70e2c2210fad27afd7296249f8d532f10400d8","source":{"kind":"arxiv","id":"2603.23877","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.23877","created_at":"2026-08-07T01:36:29Z"},{"alias_kind":"arxiv_version","alias_value":"2603.23877v2","created_at":"2026-08-07T01:36:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.23877","created_at":"2026-08-07T01:36:29Z"},{"alias_kind":"pith_short_12","alias_value":"VPJXBCED4M4K","created_at":"2026-08-07T01:36:29Z"},{"alias_kind":"pith_short_16","alias_value":"VPJXBCED4M4KUD37","created_at":"2026-08-07T01:36:29Z"},{"alias_kind":"pith_short_8","alias_value":"VPJXBCED","created_at":"2026-08-07T01:36:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:VPJXBCED4M4KUD373UBP44HCYI","target":"record","payload":{"canonical_record":{"source":{"id":"2603.23877","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-03-25T03:08:58Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"4b6c0ea60ee9a5b1a5cdf54beefd2dce48eaf2e8b572e4d5a4584f18c8753ee3","abstract_canon_sha256":"4bd4f6bc6198d7e973bea02bc7e77adbf682cbb0e782bc34893fbc59aa6ace74"},"schema_version":"1.0"},"canonical_sha256":"abd3708883e338aa0f7fdd02fe70e2c2210fad27afd7296249f8d532f10400d8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-07T01:36:29.276718Z","signature_b64":"7WQ5f4SETBHcegsuFyN1qFX/d+ph8W6aGE8VCIFjALb9SyYG6IdyddxY1pe/XNmFRyO/AgItHwaiFVQj535SBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"abd3708883e338aa0f7fdd02fe70e2c2210fad27afd7296249f8d532f10400d8","last_reissued_at":"2026-08-07T01:36:29.274740Z","signature_status":"signed_v1","first_computed_at":"2026-08-07T01:36:29.274740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2603.23877","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-08-07T01:36:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E0QyvLrUIbAuIu/TdwCvalQzPlAHofyUoRb9YelByx4plpqFRl+lcbfp6GaSmrPoxjaWRH52Zz5NirbhafclAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T22:40:34.879211Z"},"content_sha256":"530af6f9c8a2f40f17d0e14dffde720da42ab2d4bd63153440b28caa143c349a","schema_version":"1.0","event_id":"sha256:530af6f9c8a2f40f17d0e14dffde720da42ab2d4bd63153440b28caa143c349a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:VPJXBCED4M4KUD373UBP44HCYI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Near-Infrared and Optical Observations of SN 2024rbc: The First Early Detection of CO and Dust in a Type Ib Supernova","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Aravind P. Ravi, Chang Liu, Charles D. Kilpatrick, C. Tanner Murphey, David O. Jones, Harim Jin, Jeonghee Rho, Jesper Sollerman, Kirsty Taggart, Kishore C. Patra, Kyle W. Davis, Natalie LeBaron, Ryan Foley, Ryan Hwangbo, Seong Hyun Park, Steve Schulze, S. Tinyanont, Sung-Chul Yoon, T. R. Geballe","submitted_at":"2026-03-25T03:08:58Z","abstract_excerpt":"We present optical and near-infrared (NIR) observations of the Type Ib supernova (SN) 2024rbc. Emission from the first CO overtone, resting on a dust continuum at $2.3-2.4$ $\\mu$m, was observed at 62 days post-explosion. The CO band heads are not resolved, and the emission appears broad, lacking sharp spectral features. This is the first observation of CO in the ejecta of a Type Ib SN reported in literature. The spectra of SN 2024rbc exhibit strong He I lines and numerous neutral and ionized metal lines. Comparing the spectral evolution of SN 2024rbc to other Type Ib, Ic, and IIb SNe indicates"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.23877","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2603.23877/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-08-07T01:36:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MZvDiOrCows4Zkts/8N8GbtABSFFrk9qDwS/5S/D6zLN73zALkBgQ5IYS2ZdAZuslVsoaG316RZ683jQladaCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T22:40:34.879736Z"},"content_sha256":"55bacf84b831e991e4c805cc90b204e31750b5eb708d910f88529e1e19bc90a4","schema_version":"1.0","event_id":"sha256:55bacf84b831e991e4c805cc90b204e31750b5eb708d910f88529e1e19bc90a4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VPJXBCED4M4KUD373UBP44HCYI/bundle.json","state_url":"https://pith.science/pith/VPJXBCED4M4KUD373UBP44HCYI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VPJXBCED4M4KUD373UBP44HCYI/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-10T22:40:34Z","links":{"resolver":"https://pith.science/pith/VPJXBCED4M4KUD373UBP44HCYI","bundle":"https://pith.science/pith/VPJXBCED4M4KUD373UBP44HCYI/bundle.json","state":"https://pith.science/pith/VPJXBCED4M4KUD373UBP44HCYI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VPJXBCED4M4KUD373UBP44HCYI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:VPJXBCED4M4KUD373UBP44HCYI","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":"4bd4f6bc6198d7e973bea02bc7e77adbf682cbb0e782bc34893fbc59aa6ace74","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-03-25T03:08:58Z","title_canon_sha256":"4b6c0ea60ee9a5b1a5cdf54beefd2dce48eaf2e8b572e4d5a4584f18c8753ee3"},"schema_version":"1.0","source":{"id":"2603.23877","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.23877","created_at":"2026-08-07T01:36:29Z"},{"alias_kind":"arxiv_version","alias_value":"2603.23877v2","created_at":"2026-08-07T01:36:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.23877","created_at":"2026-08-07T01:36:29Z"},{"alias_kind":"pith_short_12","alias_value":"VPJXBCED4M4K","created_at":"2026-08-07T01:36:29Z"},{"alias_kind":"pith_short_16","alias_value":"VPJXBCED4M4KUD37","created_at":"2026-08-07T01:36:29Z"},{"alias_kind":"pith_short_8","alias_value":"VPJXBCED","created_at":"2026-08-07T01:36:29Z"}],"graph_snapshots":[{"event_id":"sha256:55bacf84b831e991e4c805cc90b204e31750b5eb708d910f88529e1e19bc90a4","target":"graph","created_at":"2026-08-07T01:36:29Z","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/2603.23877/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present optical and near-infrared (NIR) observations of the Type Ib supernova (SN) 2024rbc. Emission from the first CO overtone, resting on a dust continuum at $2.3-2.4$ $\\mu$m, was observed at 62 days post-explosion. The CO band heads are not resolved, and the emission appears broad, lacking sharp spectral features. This is the first observation of CO in the ejecta of a Type Ib SN reported in literature. The spectra of SN 2024rbc exhibit strong He I lines and numerous neutral and ionized metal lines. Comparing the spectral evolution of SN 2024rbc to other Type Ib, Ic, and IIb SNe indicates","authors_text":"Aravind P. Ravi, Chang Liu, Charles D. Kilpatrick, C. Tanner Murphey, David O. Jones, Harim Jin, Jeonghee Rho, Jesper Sollerman, Kirsty Taggart, Kishore C. Patra, Kyle W. Davis, Natalie LeBaron, Ryan Foley, Ryan Hwangbo, Seong Hyun Park, Steve Schulze, S. Tinyanont, Sung-Chul Yoon, T. R. Geballe","cross_cats":["astro-ph.GA","astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-03-25T03:08:58Z","title":"Near-Infrared and Optical Observations of SN 2024rbc: The First Early Detection of CO and Dust in a Type Ib Supernova"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.23877","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":"sha256:530af6f9c8a2f40f17d0e14dffde720da42ab2d4bd63153440b28caa143c349a","target":"record","created_at":"2026-08-07T01:36:29Z","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":"4bd4f6bc6198d7e973bea02bc7e77adbf682cbb0e782bc34893fbc59aa6ace74","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-03-25T03:08:58Z","title_canon_sha256":"4b6c0ea60ee9a5b1a5cdf54beefd2dce48eaf2e8b572e4d5a4584f18c8753ee3"},"schema_version":"1.0","source":{"id":"2603.23877","kind":"arxiv","version":2}},"canonical_sha256":"abd3708883e338aa0f7fdd02fe70e2c2210fad27afd7296249f8d532f10400d8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"abd3708883e338aa0f7fdd02fe70e2c2210fad27afd7296249f8d532f10400d8","first_computed_at":"2026-08-07T01:36:29.274740Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-07T01:36:29.274740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7WQ5f4SETBHcegsuFyN1qFX/d+ph8W6aGE8VCIFjALb9SyYG6IdyddxY1pe/XNmFRyO/AgItHwaiFVQj535SBg==","signature_status":"signed_v1","signed_at":"2026-08-07T01:36:29.276718Z","signed_message":"canonical_sha256_bytes"},"source_id":"2603.23877","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:530af6f9c8a2f40f17d0e14dffde720da42ab2d4bd63153440b28caa143c349a","sha256:55bacf84b831e991e4c805cc90b204e31750b5eb708d910f88529e1e19bc90a4"],"state_sha256":"e262d3959f94383350b22284f7555055cbad9cb0aaf4ea49ecd1145f56b5929d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lQ7TRZcVFR1CC+pHEnNpLwVWO9JyApjNswDFXBmWyqsVQmbfLUtJfjjbMgzbvvOo9Uy87KQHRLsmtvVqMDBJCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T22:40:34.884036Z","bundle_sha256":"fd7770b7c4fb6fb8e8df1247ee1dd5c8cf13523ace54faf6d63adea26eaeb02f"}}