{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:7KY5ECBQMBFQFWT2PFNFVLNSIX","short_pith_number":"pith:7KY5ECBQ","canonical_record":{"source":{"id":"1207.4687","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-07-19T14:32:03Z","cross_cats_sorted":[],"title_canon_sha256":"17662083966e9db129f76db91b7f3718d3b6ba93160e1282c6fc362ca9ad303b","abstract_canon_sha256":"ca5b33bc47e560740041b1a6a3df031a44852cd62b1ec405a1cca8ba5990c54f"},"schema_version":"1.0"},"canonical_sha256":"fab1d20830604b02da7a795a5aadb245de719d6af409a27d6e8b71cae662093a","source":{"kind":"arxiv","id":"1207.4687","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.4687","created_at":"2026-05-18T01:56:16Z"},{"alias_kind":"arxiv_version","alias_value":"1207.4687v4","created_at":"2026-05-18T01:56:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.4687","created_at":"2026-05-18T01:56:16Z"},{"alias_kind":"pith_short_12","alias_value":"7KY5ECBQMBFQ","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"7KY5ECBQMBFQFWT2","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"7KY5ECBQ","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:7KY5ECBQMBFQFWT2PFNFVLNSIX","target":"record","payload":{"canonical_record":{"source":{"id":"1207.4687","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-07-19T14:32:03Z","cross_cats_sorted":[],"title_canon_sha256":"17662083966e9db129f76db91b7f3718d3b6ba93160e1282c6fc362ca9ad303b","abstract_canon_sha256":"ca5b33bc47e560740041b1a6a3df031a44852cd62b1ec405a1cca8ba5990c54f"},"schema_version":"1.0"},"canonical_sha256":"fab1d20830604b02da7a795a5aadb245de719d6af409a27d6e8b71cae662093a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:16.236498Z","signature_b64":"FGjo3XYvj7AfMUIO5xKQrJlVZVXXVGcjVuNrJ/d/GLBAJbTjjb2Fw1kLkk174dYEVLIe4qQLKnWMXrVJMG7hAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fab1d20830604b02da7a795a5aadb245de719d6af409a27d6e8b71cae662093a","last_reissued_at":"2026-05-18T01:56:16.235716Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:16.235716Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.4687","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:56:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UfGvcreICt8Bn/92Bntd6IxJHn3qJwktW2vHRn9jPk9TZ/XSk0wO1xKG1cZj3mFEG2JIL1mIwC4NOrq+3BoCDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:58:34.123269Z"},"content_sha256":"4a03aa9220eee2612d8c15b1f2380cb8557ebf25afffcab736be7d33c6b613d4","schema_version":"1.0","event_id":"sha256:4a03aa9220eee2612d8c15b1f2380cb8557ebf25afffcab736be7d33c6b613d4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:7KY5ECBQMBFQFWT2PFNFVLNSIX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The extremely long period X-ray source in a young supernova remnant: a Thorne-Zytkow Object descendant?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"E. P. J. van den Heuvel, G. J. Qiao, J. L. Han, R. X. Xu, X. D. Li, X. W. Liu, Z. W. Han","submitted_at":"2012-07-19T14:32:03Z","abstract_excerpt":"The origin of the 6.67 hr period X-ray source, 1E161348-5055, in the young supernova remnant RCW 103 is puzzling. We propose that it may be the descendant of a Thorne-Zytkow Object (TZO). A TZO may at its formation have a rapidly spinning neutron star as a core, and a slowly rotating envelope. We found that the core could be braked quickly to an extremely long spin period by the coupling between its magnetic field and the envelope, and that the envelope could be disrupted by some powerful bursts or exhausted via stellar wind. If the envelope is disrupted after the core has spun down, the core "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.4687","kind":"arxiv","version":4},"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":"2026-05-18T01:56:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OQszomY3o+B9rNcEpiAJYkZCoyP6srEcgTPiaq6eihy2Q0zA/0thKFYQpBKzImKV+3WVx1zwm7lHz8hBIGRaDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:58:34.123635Z"},"content_sha256":"2d049571c89bbe7fd8d7584e298d186799a82c30d6b19e4485ad1488afafe9b5","schema_version":"1.0","event_id":"sha256:2d049571c89bbe7fd8d7584e298d186799a82c30d6b19e4485ad1488afafe9b5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7KY5ECBQMBFQFWT2PFNFVLNSIX/bundle.json","state_url":"https://pith.science/pith/7KY5ECBQMBFQFWT2PFNFVLNSIX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7KY5ECBQMBFQFWT2PFNFVLNSIX/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":"2026-05-26T19:58:34Z","links":{"resolver":"https://pith.science/pith/7KY5ECBQMBFQFWT2PFNFVLNSIX","bundle":"https://pith.science/pith/7KY5ECBQMBFQFWT2PFNFVLNSIX/bundle.json","state":"https://pith.science/pith/7KY5ECBQMBFQFWT2PFNFVLNSIX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7KY5ECBQMBFQFWT2PFNFVLNSIX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:7KY5ECBQMBFQFWT2PFNFVLNSIX","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":"ca5b33bc47e560740041b1a6a3df031a44852cd62b1ec405a1cca8ba5990c54f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-07-19T14:32:03Z","title_canon_sha256":"17662083966e9db129f76db91b7f3718d3b6ba93160e1282c6fc362ca9ad303b"},"schema_version":"1.0","source":{"id":"1207.4687","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.4687","created_at":"2026-05-18T01:56:16Z"},{"alias_kind":"arxiv_version","alias_value":"1207.4687v4","created_at":"2026-05-18T01:56:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.4687","created_at":"2026-05-18T01:56:16Z"},{"alias_kind":"pith_short_12","alias_value":"7KY5ECBQMBFQ","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"7KY5ECBQMBFQFWT2","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"7KY5ECBQ","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:2d049571c89bbe7fd8d7584e298d186799a82c30d6b19e4485ad1488afafe9b5","target":"graph","created_at":"2026-05-18T01:56:16Z","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":"The origin of the 6.67 hr period X-ray source, 1E161348-5055, in the young supernova remnant RCW 103 is puzzling. We propose that it may be the descendant of a Thorne-Zytkow Object (TZO). A TZO may at its formation have a rapidly spinning neutron star as a core, and a slowly rotating envelope. We found that the core could be braked quickly to an extremely long spin period by the coupling between its magnetic field and the envelope, and that the envelope could be disrupted by some powerful bursts or exhausted via stellar wind. If the envelope is disrupted after the core has spun down, the core ","authors_text":"E. P. J. van den Heuvel, G. J. Qiao, J. L. Han, R. X. Xu, X. D. Li, X. W. Liu, Z. W. Han","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-07-19T14:32:03Z","title":"The extremely long period X-ray source in a young supernova remnant: a Thorne-Zytkow Object descendant?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.4687","kind":"arxiv","version":4},"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":"sha256:4a03aa9220eee2612d8c15b1f2380cb8557ebf25afffcab736be7d33c6b613d4","target":"record","created_at":"2026-05-18T01:56:16Z","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":"ca5b33bc47e560740041b1a6a3df031a44852cd62b1ec405a1cca8ba5990c54f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-07-19T14:32:03Z","title_canon_sha256":"17662083966e9db129f76db91b7f3718d3b6ba93160e1282c6fc362ca9ad303b"},"schema_version":"1.0","source":{"id":"1207.4687","kind":"arxiv","version":4}},"canonical_sha256":"fab1d20830604b02da7a795a5aadb245de719d6af409a27d6e8b71cae662093a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fab1d20830604b02da7a795a5aadb245de719d6af409a27d6e8b71cae662093a","first_computed_at":"2026-05-18T01:56:16.235716Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:56:16.235716Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FGjo3XYvj7AfMUIO5xKQrJlVZVXXVGcjVuNrJ/d/GLBAJbTjjb2Fw1kLkk174dYEVLIe4qQLKnWMXrVJMG7hAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:56:16.236498Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.4687","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4a03aa9220eee2612d8c15b1f2380cb8557ebf25afffcab736be7d33c6b613d4","sha256:2d049571c89bbe7fd8d7584e298d186799a82c30d6b19e4485ad1488afafe9b5"],"state_sha256":"34a89b6b2ccba3066d53a184df9d7c8266ef3c6d77d10e8e2d611f03e117040c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IQp71D582uR6TazhUvG4jCV3yreipnna2UYBmr2V6rt4CvKq3p00faGZk1QB4t32gGgjcPqqNAx3GR2oTvLICQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:58:34.125841Z","bundle_sha256":"5190f056b2c5fcd4dad80ddcade9c1fa9171d28b39c1e11cfe5013ae78784473"}}