{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:A4ZNZQMJBV424RODKSCKYETVWP","short_pith_number":"pith:A4ZNZQMJ","canonical_record":{"source":{"id":"2410.02896","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-10-03T18:41:03Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"3b1c0849e05ff7c5ceaa21da3d0bbd22017d6ba3270194bb3f7b37b1ced2a3d6","abstract_canon_sha256":"cfebf61a0139fdd8c35d4b080005720d5d2912905ea845be7e6737f18bd81b2b"},"schema_version":"1.0"},"canonical_sha256":"0732dcc1890d79ae45c35484ac1275b3ecd1e7350af6e63bd5f681ef12e49c0b","source":{"kind":"arxiv","id":"2410.02896","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.02896","created_at":"2026-07-05T12:09:10Z"},{"alias_kind":"arxiv_version","alias_value":"2410.02896v2","created_at":"2026-07-05T12:09:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.02896","created_at":"2026-07-05T12:09:10Z"},{"alias_kind":"pith_short_12","alias_value":"A4ZNZQMJBV42","created_at":"2026-07-05T12:09:10Z"},{"alias_kind":"pith_short_16","alias_value":"A4ZNZQMJBV424ROD","created_at":"2026-07-05T12:09:10Z"},{"alias_kind":"pith_short_8","alias_value":"A4ZNZQMJ","created_at":"2026-07-05T12:09:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:A4ZNZQMJBV424RODKSCKYETVWP","target":"record","payload":{"canonical_record":{"source":{"id":"2410.02896","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-10-03T18:41:03Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"3b1c0849e05ff7c5ceaa21da3d0bbd22017d6ba3270194bb3f7b37b1ced2a3d6","abstract_canon_sha256":"cfebf61a0139fdd8c35d4b080005720d5d2912905ea845be7e6737f18bd81b2b"},"schema_version":"1.0"},"canonical_sha256":"0732dcc1890d79ae45c35484ac1275b3ecd1e7350af6e63bd5f681ef12e49c0b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:09:10.960415Z","signature_b64":"g0y/Ets9QZdiYDPiJ5haga7tIxW2NjOg6w1MxL3wCIhGAI7/Sm0AMMD7UKBpOifczKCeUbm1m8j8atQ3dWBJAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0732dcc1890d79ae45c35484ac1275b3ecd1e7350af6e63bd5f681ef12e49c0b","last_reissued_at":"2026-07-05T12:09:10.959771Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:09:10.959771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2410.02896","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":"2026-07-05T12:09:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OWn7LcmXA9Vusb4PqPYfOOf0eLqybZtYK08VKPwFN83ll1PPLSfH0Lttga/UftB9Znqq9XMWc685B/hHf5z8DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T17:42:40.804149Z"},"content_sha256":"ea3f9c50a6028814f14649818ebc1056ef10ef9d47b36f34862de0840810759f","schema_version":"1.0","event_id":"sha256:ea3f9c50a6028814f14649818ebc1056ef10ef9d47b36f34862de0840810759f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:A4ZNZQMJBV424RODKSCKYETVWP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thorne-\\.Zytkow Objects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Alejandro Vigna-G\\'omez, Anna J. G. O'Grady, Mathieu Renzo, Takashi J. Moriya","submitted_at":"2024-10-03T18:41:03Z","abstract_excerpt":"Interacting binary star systems play a critical role in many areas of astrophysics. One interesting example of a binary merger product are Thorne-\\.Zytkow Objects (T\\.ZOs), stars that look like red supergiants but contain neutron stars at their cores. T\\.ZOs were theorized nearly five decades ago, and significant work has gone into understanding the physics of their formation, evolution, and stability. Several searches for T\\.ZO candidates have also been carried out. Whether or not T\\.ZOs could even exist or if they would be stable after formation has also been investigated. Understanding the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.02896","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/2410.02896/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":"2026-07-05T12:09:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"miQa7ITy9UYi3g2eYoyO0LLuMdapyDK/vmB4XMM5vvrdflfGKi8qMQ+zQbXcG+RwbLj8GiKLqoa2fymnnqMjAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T17:42:40.810854Z"},"content_sha256":"65202b859649ea64b3343821881709dcff092e1c27b64fb9b3428a364020b916","schema_version":"1.0","event_id":"sha256:65202b859649ea64b3343821881709dcff092e1c27b64fb9b3428a364020b916"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A4ZNZQMJBV424RODKSCKYETVWP/bundle.json","state_url":"https://pith.science/pith/A4ZNZQMJBV424RODKSCKYETVWP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A4ZNZQMJBV424RODKSCKYETVWP/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":"2026-08-13T17:42:40Z","links":{"resolver":"https://pith.science/pith/A4ZNZQMJBV424RODKSCKYETVWP","bundle":"https://pith.science/pith/A4ZNZQMJBV424RODKSCKYETVWP/bundle.json","state":"https://pith.science/pith/A4ZNZQMJBV424RODKSCKYETVWP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A4ZNZQMJBV424RODKSCKYETVWP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:A4ZNZQMJBV424RODKSCKYETVWP","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":"cfebf61a0139fdd8c35d4b080005720d5d2912905ea845be7e6737f18bd81b2b","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-10-03T18:41:03Z","title_canon_sha256":"3b1c0849e05ff7c5ceaa21da3d0bbd22017d6ba3270194bb3f7b37b1ced2a3d6"},"schema_version":"1.0","source":{"id":"2410.02896","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.02896","created_at":"2026-07-05T12:09:10Z"},{"alias_kind":"arxiv_version","alias_value":"2410.02896v2","created_at":"2026-07-05T12:09:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.02896","created_at":"2026-07-05T12:09:10Z"},{"alias_kind":"pith_short_12","alias_value":"A4ZNZQMJBV42","created_at":"2026-07-05T12:09:10Z"},{"alias_kind":"pith_short_16","alias_value":"A4ZNZQMJBV424ROD","created_at":"2026-07-05T12:09:10Z"},{"alias_kind":"pith_short_8","alias_value":"A4ZNZQMJ","created_at":"2026-07-05T12:09:10Z"}],"graph_snapshots":[{"event_id":"sha256:65202b859649ea64b3343821881709dcff092e1c27b64fb9b3428a364020b916","target":"graph","created_at":"2026-07-05T12:09:10Z","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/2410.02896/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Interacting binary star systems play a critical role in many areas of astrophysics. One interesting example of a binary merger product are Thorne-\\.Zytkow Objects (T\\.ZOs), stars that look like red supergiants but contain neutron stars at their cores. T\\.ZOs were theorized nearly five decades ago, and significant work has gone into understanding the physics of their formation, evolution, and stability. Several searches for T\\.ZO candidates have also been carried out. Whether or not T\\.ZOs could even exist or if they would be stable after formation has also been investigated. Understanding the ","authors_text":"Alejandro Vigna-G\\'omez, Anna J. G. O'Grady, Mathieu Renzo, Takashi J. Moriya","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-10-03T18:41:03Z","title":"Thorne-\\.Zytkow Objects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.02896","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:ea3f9c50a6028814f14649818ebc1056ef10ef9d47b36f34862de0840810759f","target":"record","created_at":"2026-07-05T12:09:10Z","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":"cfebf61a0139fdd8c35d4b080005720d5d2912905ea845be7e6737f18bd81b2b","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-10-03T18:41:03Z","title_canon_sha256":"3b1c0849e05ff7c5ceaa21da3d0bbd22017d6ba3270194bb3f7b37b1ced2a3d6"},"schema_version":"1.0","source":{"id":"2410.02896","kind":"arxiv","version":2}},"canonical_sha256":"0732dcc1890d79ae45c35484ac1275b3ecd1e7350af6e63bd5f681ef12e49c0b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0732dcc1890d79ae45c35484ac1275b3ecd1e7350af6e63bd5f681ef12e49c0b","first_computed_at":"2026-07-05T12:09:10.959771Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:09:10.959771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"g0y/Ets9QZdiYDPiJ5haga7tIxW2NjOg6w1MxL3wCIhGAI7/Sm0AMMD7UKBpOifczKCeUbm1m8j8atQ3dWBJAA==","signature_status":"signed_v1","signed_at":"2026-07-05T12:09:10.960415Z","signed_message":"canonical_sha256_bytes"},"source_id":"2410.02896","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ea3f9c50a6028814f14649818ebc1056ef10ef9d47b36f34862de0840810759f","sha256:65202b859649ea64b3343821881709dcff092e1c27b64fb9b3428a364020b916"],"state_sha256":"5a057b4d1b8f9f2c5465168871db67a9c3029aebf2f0ab59bf493405d5e6d4c6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wS22HX+FjqWy1PVZjL6JuB7wUynmsfjKLGeE1cj51WzfPaUwbp/Y9vWrGEee8JITdYbV7MiwWegpH7ZoYFKWAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T17:42:40.831924Z","bundle_sha256":"c05cfd356556fb8a4edada96f1e24ba4e470e6d63255b046ef51357aff358546"}}