{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:SPGG6W6LAP6TFKK67Y5JHEZFFY","short_pith_number":"pith:SPGG6W6L","canonical_record":{"source":{"id":"1504.01205","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-04-06T04:57:51Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"801dcfe4102c2db9c0dca3be99b3bce16d64f4a86ac09c3b552b9f732d65533d","abstract_canon_sha256":"13aba98c20a4d6c2a447cd06cc3f491d3707333c7b494a99bb73573850696920"},"schema_version":"1.0"},"canonical_sha256":"93cc6f5bcb03fd32a95efe3a9393252e0aced0dc0303029a49b496637f90706a","source":{"kind":"arxiv","id":"1504.01205","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.01205","created_at":"2026-05-18T01:40:49Z"},{"alias_kind":"arxiv_version","alias_value":"1504.01205v2","created_at":"2026-05-18T01:40:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.01205","created_at":"2026-05-18T01:40:49Z"},{"alias_kind":"pith_short_12","alias_value":"SPGG6W6LAP6T","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SPGG6W6LAP6TFKK6","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SPGG6W6L","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:SPGG6W6LAP6TFKK67Y5JHEZFFY","target":"record","payload":{"canonical_record":{"source":{"id":"1504.01205","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-04-06T04:57:51Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"801dcfe4102c2db9c0dca3be99b3bce16d64f4a86ac09c3b552b9f732d65533d","abstract_canon_sha256":"13aba98c20a4d6c2a447cd06cc3f491d3707333c7b494a99bb73573850696920"},"schema_version":"1.0"},"canonical_sha256":"93cc6f5bcb03fd32a95efe3a9393252e0aced0dc0303029a49b496637f90706a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:49.218939Z","signature_b64":"l1RZpWHxwhmwN8YHoeefA16VsfY4+Wr43blI0UZ7TCr00AKuFktS9k4P4/81jbfPACXT1F1MgRj09NtwJg6nDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93cc6f5bcb03fd32a95efe3a9393252e0aced0dc0303029a49b496637f90706a","last_reissued_at":"2026-05-18T01:40:49.218309Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:49.218309Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.01205","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":"2026-05-18T01:40:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CIL2H3iefNVge4nKdMDjbkGYAS3Wy1NSnQx+SId384DwJMPZFO9H2oDOwYBt6nOjUYERtBfayM7U37y+hP6PDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T23:45:30.055047Z"},"content_sha256":"fcbd774e8cd081331fbefdd92a3803e9a214ce530f102815ed383f3a18977171","schema_version":"1.0","event_id":"sha256:fcbd774e8cd081331fbefdd92a3803e9a214ce530f102815ed383f3a18977171"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:SPGG6W6LAP6TFKK67Y5JHEZFFY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolutionary Models for Type Ib/c Supernova Progenitors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Sung-Chul Yoon","submitted_at":"2015-04-06T04:57:51Z","abstract_excerpt":"Type Ib/c supernovae (SNe Ib/c) mark the deaths of hydrogen-deficient massive stars. The evolutionary scenarios for SNe Ib/c progenitors involve many important physical processes including mass loss by winds and its metallicity dependence, stellar rotation, and binary interactions. This makes SNe Ib/c an excellent test bed for stellar evolution theory. We review the main results of evolutionary models for SN Ib/c progenitors available in the literature and their confrontation with recent observations. We argue that the nature of SN Ib/c progenitors can be significantly different for single and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.01205","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":""},"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":"2026-05-18T01:40:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VsxyMZ3x0YXstheMekzqfmaTXEr5jusk36S5SoeNBtuckxOzDj7uC0qf4z/0zBY9BASeQlNZM4sl1EPJ98tsCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T23:45:30.055524Z"},"content_sha256":"27f5eb61336ee58ed1e76fef4b6567149fe5cbe8a9786e29b3a15a1681b9cc41","schema_version":"1.0","event_id":"sha256:27f5eb61336ee58ed1e76fef4b6567149fe5cbe8a9786e29b3a15a1681b9cc41"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SPGG6W6LAP6TFKK67Y5JHEZFFY/bundle.json","state_url":"https://pith.science/pith/SPGG6W6LAP6TFKK67Y5JHEZFFY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SPGG6W6LAP6TFKK67Y5JHEZFFY/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":"2026-08-12T23:45:30Z","links":{"resolver":"https://pith.science/pith/SPGG6W6LAP6TFKK67Y5JHEZFFY","bundle":"https://pith.science/pith/SPGG6W6LAP6TFKK67Y5JHEZFFY/bundle.json","state":"https://pith.science/pith/SPGG6W6LAP6TFKK67Y5JHEZFFY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SPGG6W6LAP6TFKK67Y5JHEZFFY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:SPGG6W6LAP6TFKK67Y5JHEZFFY","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":"13aba98c20a4d6c2a447cd06cc3f491d3707333c7b494a99bb73573850696920","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-04-06T04:57:51Z","title_canon_sha256":"801dcfe4102c2db9c0dca3be99b3bce16d64f4a86ac09c3b552b9f732d65533d"},"schema_version":"1.0","source":{"id":"1504.01205","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.01205","created_at":"2026-05-18T01:40:49Z"},{"alias_kind":"arxiv_version","alias_value":"1504.01205v2","created_at":"2026-05-18T01:40:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.01205","created_at":"2026-05-18T01:40:49Z"},{"alias_kind":"pith_short_12","alias_value":"SPGG6W6LAP6T","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SPGG6W6LAP6TFKK6","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SPGG6W6L","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:27f5eb61336ee58ed1e76fef4b6567149fe5cbe8a9786e29b3a15a1681b9cc41","target":"graph","created_at":"2026-05-18T01:40:49Z","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"},"paper":{"abstract_excerpt":"Type Ib/c supernovae (SNe Ib/c) mark the deaths of hydrogen-deficient massive stars. The evolutionary scenarios for SNe Ib/c progenitors involve many important physical processes including mass loss by winds and its metallicity dependence, stellar rotation, and binary interactions. This makes SNe Ib/c an excellent test bed for stellar evolution theory. We review the main results of evolutionary models for SN Ib/c progenitors available in the literature and their confrontation with recent observations. We argue that the nature of SN Ib/c progenitors can be significantly different for single and","authors_text":"Sung-Chul Yoon","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-04-06T04:57:51Z","title":"Evolutionary Models for Type Ib/c Supernova Progenitors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.01205","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:fcbd774e8cd081331fbefdd92a3803e9a214ce530f102815ed383f3a18977171","target":"record","created_at":"2026-05-18T01:40:49Z","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":"13aba98c20a4d6c2a447cd06cc3f491d3707333c7b494a99bb73573850696920","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-04-06T04:57:51Z","title_canon_sha256":"801dcfe4102c2db9c0dca3be99b3bce16d64f4a86ac09c3b552b9f732d65533d"},"schema_version":"1.0","source":{"id":"1504.01205","kind":"arxiv","version":2}},"canonical_sha256":"93cc6f5bcb03fd32a95efe3a9393252e0aced0dc0303029a49b496637f90706a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"93cc6f5bcb03fd32a95efe3a9393252e0aced0dc0303029a49b496637f90706a","first_computed_at":"2026-05-18T01:40:49.218309Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:49.218309Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l1RZpWHxwhmwN8YHoeefA16VsfY4+Wr43blI0UZ7TCr00AKuFktS9k4P4/81jbfPACXT1F1MgRj09NtwJg6nDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:49.218939Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.01205","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fcbd774e8cd081331fbefdd92a3803e9a214ce530f102815ed383f3a18977171","sha256:27f5eb61336ee58ed1e76fef4b6567149fe5cbe8a9786e29b3a15a1681b9cc41"],"state_sha256":"a0ddf54d58dddf26dcb2ecc9a69303932bca0b8921efaa47b16f2c619c39a485"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hqQZw3kUjxjmjxhlEPly0WOtm+Eir0P14fw4wduH8I+d5ILkOW3unffv4qU1GislPEGdYdFqKy871T+1T1enDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T23:45:30.059479Z","bundle_sha256":"f25e01f7de3312ce1eb727af90c467a9f15601ccbf5971ee528ea32d11206ebb"}}