{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:A62UUOKGV2C5NGOE43WOUYBA36","short_pith_number":"pith:A62UUOKG","canonical_record":{"source":{"id":"astro-ph/0702450","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-02-16T21:54:45Z","cross_cats_sorted":[],"title_canon_sha256":"655d90c63c4c05a69cfe4e5ac4d63b27504141685494afac6806ed2cecf4b23a","abstract_canon_sha256":"60b6098d387eb6a2df9be507db72a55acf8388af927c07f970903fdebf6e356e"},"schema_version":"1.0"},"canonical_sha256":"07b54a3946ae85d699c4e6ecea6020df8befd52f8991bff28a89dead2cf2f6a2","source":{"kind":"arxiv","id":"astro-ph/0702450","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0702450","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0702450v2","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0702450","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"pith_short_12","alias_value":"A62UUOKGV2C5","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"A62UUOKGV2C5NGOE","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"A62UUOKG","created_at":"2026-05-18T12:25:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:A62UUOKGV2C5NGOE43WOUYBA36","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0702450","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-02-16T21:54:45Z","cross_cats_sorted":[],"title_canon_sha256":"655d90c63c4c05a69cfe4e5ac4d63b27504141685494afac6806ed2cecf4b23a","abstract_canon_sha256":"60b6098d387eb6a2df9be507db72a55acf8388af927c07f970903fdebf6e356e"},"schema_version":"1.0"},"canonical_sha256":"07b54a3946ae85d699c4e6ecea6020df8befd52f8991bff28a89dead2cf2f6a2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:20.322591Z","signature_b64":"GlS8UWTmwvoMdMbU+Ggg061RCgxq0WCyj/QMDX3t4ObnxHBJ4vXKlC5s0JRQ7O6A/Yif5RkmWDbouV7Z27w0Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"07b54a3946ae85d699c4e6ecea6020df8befd52f8991bff28a89dead2cf2f6a2","last_reissued_at":"2026-05-18T04:36:20.321927Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:20.321927Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0702450","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":"2026-05-18T04:36:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/ulh8kx61ndlos89aOZBW0l8EoHazRbtPFGPLeCbhJmz9rtMVvpxoD+q+mqdtIEnnrfDk6FX2+2Nl2easuTzCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T12:06:38.501042Z"},"content_sha256":"5ffe44f09f16f687029b04fe5eb1dcc37d01ab64894dfd2928ea7c04507aea4d","schema_version":"1.0","event_id":"sha256:5ffe44f09f16f687029b04fe5eb1dcc37d01ab64894dfd2928ea7c04507aea4d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:A62UUOKGV2C5NGOE43WOUYBA36","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"GRB060218: A Relativistic Supernova Shock Breakout","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"E. Waxman, P. Meszaros, S. Campana","submitted_at":"2007-02-16T21:54:45Z","abstract_excerpt":"We show that the prompt and afterglow X-ray emission of GRB060218, as well as its early (t<=1 d) optical-UV emission, can be explained by a model in which a radiation- mediated shock propagates through a compact progenitor star into a dense wind. The prompt thermal X-ray emission is produced in this model as the mildly relativistic shock, v/c=0.85 carrying few x 10^49 erg, reaches the wind (Thomson) photosphere, where the post-shock thermal radiation is released and the shock becomes collisionless. Adopting this interpretation of the thermal X-ray emission, a subsequent X-ray afterglow is pred"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0702450","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":"2026-05-18T04:36:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c/E8kVvXWwrXSKX0eXQM1TvjcvSnkj4NL/9tplKwSEkQdNU/wJH5lJ7Rp+7gBjMMmSDY+4wlYyV9+4ROpDuyBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T12:06:38.501512Z"},"content_sha256":"a2c71a8cf8f66b7d5ca08ea46609e423627421f3e3789d0dd70a64d1f78c77ea","schema_version":"1.0","event_id":"sha256:a2c71a8cf8f66b7d5ca08ea46609e423627421f3e3789d0dd70a64d1f78c77ea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A62UUOKGV2C5NGOE43WOUYBA36/bundle.json","state_url":"https://pith.science/pith/A62UUOKGV2C5NGOE43WOUYBA36/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A62UUOKGV2C5NGOE43WOUYBA36/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":"2026-08-16T12:06:38Z","links":{"resolver":"https://pith.science/pith/A62UUOKGV2C5NGOE43WOUYBA36","bundle":"https://pith.science/pith/A62UUOKGV2C5NGOE43WOUYBA36/bundle.json","state":"https://pith.science/pith/A62UUOKGV2C5NGOE43WOUYBA36/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A62UUOKGV2C5NGOE43WOUYBA36/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:A62UUOKGV2C5NGOE43WOUYBA36","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":"60b6098d387eb6a2df9be507db72a55acf8388af927c07f970903fdebf6e356e","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-02-16T21:54:45Z","title_canon_sha256":"655d90c63c4c05a69cfe4e5ac4d63b27504141685494afac6806ed2cecf4b23a"},"schema_version":"1.0","source":{"id":"astro-ph/0702450","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0702450","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0702450v2","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0702450","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"pith_short_12","alias_value":"A62UUOKGV2C5","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"A62UUOKGV2C5NGOE","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"A62UUOKG","created_at":"2026-05-18T12:25:55Z"}],"graph_snapshots":[{"event_id":"sha256:a2c71a8cf8f66b7d5ca08ea46609e423627421f3e3789d0dd70a64d1f78c77ea","target":"graph","created_at":"2026-05-18T04:36:20Z","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":"We show that the prompt and afterglow X-ray emission of GRB060218, as well as its early (t<=1 d) optical-UV emission, can be explained by a model in which a radiation- mediated shock propagates through a compact progenitor star into a dense wind. The prompt thermal X-ray emission is produced in this model as the mildly relativistic shock, v/c=0.85 carrying few x 10^49 erg, reaches the wind (Thomson) photosphere, where the post-shock thermal radiation is released and the shock becomes collisionless. Adopting this interpretation of the thermal X-ray emission, a subsequent X-ray afterglow is pred","authors_text":"E. Waxman, P. Meszaros, S. Campana","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-02-16T21:54:45Z","title":"GRB060218: A Relativistic Supernova Shock Breakout"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0702450","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":"sha256:5ffe44f09f16f687029b04fe5eb1dcc37d01ab64894dfd2928ea7c04507aea4d","target":"record","created_at":"2026-05-18T04:36:20Z","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":"60b6098d387eb6a2df9be507db72a55acf8388af927c07f970903fdebf6e356e","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-02-16T21:54:45Z","title_canon_sha256":"655d90c63c4c05a69cfe4e5ac4d63b27504141685494afac6806ed2cecf4b23a"},"schema_version":"1.0","source":{"id":"astro-ph/0702450","kind":"arxiv","version":2}},"canonical_sha256":"07b54a3946ae85d699c4e6ecea6020df8befd52f8991bff28a89dead2cf2f6a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"07b54a3946ae85d699c4e6ecea6020df8befd52f8991bff28a89dead2cf2f6a2","first_computed_at":"2026-05-18T04:36:20.321927Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:36:20.321927Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GlS8UWTmwvoMdMbU+Ggg061RCgxq0WCyj/QMDX3t4ObnxHBJ4vXKlC5s0JRQ7O6A/Yif5RkmWDbouV7Z27w0Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:36:20.322591Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0702450","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5ffe44f09f16f687029b04fe5eb1dcc37d01ab64894dfd2928ea7c04507aea4d","sha256:a2c71a8cf8f66b7d5ca08ea46609e423627421f3e3789d0dd70a64d1f78c77ea"],"state_sha256":"96677115aad676d2b243b857ebfc707d954d5ca5b901c05a1d53ca096bb23d9c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/C9Qa403BFdiVSP2NmdWG4Cnj7XaZruoTBACflp5SHuC93HZ0PxOVVSnr/PgzSXWxTiTtEm1PAgFAmwNe5BkAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T12:06:38.506446Z","bundle_sha256":"c09f63ab47722716fbee0b9b44d56c9c0f096694db3b9e17f2b9fd15744f2e03"}}