{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:YJ2V2646SYGFXOYPGCLT3IKFA4","short_pith_number":"pith:YJ2V2646","canonical_record":{"source":{"id":"astro-ph/0403200","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-03-09T03:43:23Z","cross_cats_sorted":[],"title_canon_sha256":"4c7656dbf89871b85084f0c9747f68f58da1aec2e837a02d2e832e3e6bbd707d","abstract_canon_sha256":"3bda3f148a66d77cc73f7645db44a777c4e86e27a9edbf7c8bdd25cec07bf47b"},"schema_version":"1.0"},"canonical_sha256":"c2755d7b9e960c5bbb0f30973da1450714aeed97af0ec199fd758dcda0f313f9","source":{"kind":"arxiv","id":"astro-ph/0403200","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0403200","created_at":"2026-05-18T04:35:35Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0403200v1","created_at":"2026-05-18T04:35:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0403200","created_at":"2026-05-18T04:35:35Z"},{"alias_kind":"pith_short_12","alias_value":"YJ2V2646SYGF","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"YJ2V2646SYGFXOYP","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"YJ2V2646","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:YJ2V2646SYGFXOYPGCLT3IKFA4","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0403200","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-03-09T03:43:23Z","cross_cats_sorted":[],"title_canon_sha256":"4c7656dbf89871b85084f0c9747f68f58da1aec2e837a02d2e832e3e6bbd707d","abstract_canon_sha256":"3bda3f148a66d77cc73f7645db44a777c4e86e27a9edbf7c8bdd25cec07bf47b"},"schema_version":"1.0"},"canonical_sha256":"c2755d7b9e960c5bbb0f30973da1450714aeed97af0ec199fd758dcda0f313f9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:35:35.796085Z","signature_b64":"Z8C3nGfXRPdW8VAz1IVOx+d3mnFu8K5H/DFF+pespb+46/kd4HDitOc2RvwND/fshPEkMHthf4i7VeA/hAuxBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2755d7b9e960c5bbb0f30973da1450714aeed97af0ec199fd758dcda0f313f9","last_reissued_at":"2026-05-18T04:35:35.795578Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:35:35.795578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0403200","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:35:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VPUWgPfxk37gmNK/I+PxfxUGRG+OeiBQw1DAEp9Fly1GjAmh7UK3G5GhZ3/glXWDb4GTFjgeKr0krudoJ5bSDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:33:22.049221Z"},"content_sha256":"38b657802bdbf361536f3ac2053da64f0c0cf253606d4181a655d5c36516137d","schema_version":"1.0","event_id":"sha256:38b657802bdbf361536f3ac2053da64f0c0cf253606d4181a655d5c36516137d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:YJ2V2646SYGFXOYPGCLT3IKFA4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nucleation of quark matter in neutron stars cores","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"K. S. Cheng, P. S. Tang, T. Harko","submitted_at":"2004-03-09T03:43:23Z","abstract_excerpt":"We consider the general conditions of quark droplets formation in high density neutron matter. The growth of the quark bubble (assumed to contain a sufficiently large number of particles) can be described by means of a Fokker-Planck equation. The dynamics of the nucleation essentially depends on the physical properties of the medium it takes place. The conditions for quark bubble formation are analyzed within the frameworks of both dissipative and non-dissipative (with zero bulk and shear viscosity coefficients) approaches. The conversion time of the neutron star to a quark star is obtained as"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0403200","kind":"arxiv","version":1},"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":"2026-05-18T04:35:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fdtfXyboU1BHfDQW38EWUk3cZXTa5XqKg1YbLh9X3WToUsVbAbEmrH9KaqGQIKuhBN3fcYC9oW+NeZemYBFJBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:33:22.049604Z"},"content_sha256":"3357a6993ed11ee53d431e974c3c27e3cf1d2b3171daa7e2c6eec3dfa2e78c00","schema_version":"1.0","event_id":"sha256:3357a6993ed11ee53d431e974c3c27e3cf1d2b3171daa7e2c6eec3dfa2e78c00"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YJ2V2646SYGFXOYPGCLT3IKFA4/bundle.json","state_url":"https://pith.science/pith/YJ2V2646SYGFXOYPGCLT3IKFA4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YJ2V2646SYGFXOYPGCLT3IKFA4/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":"2026-05-28T07:33:22Z","links":{"resolver":"https://pith.science/pith/YJ2V2646SYGFXOYPGCLT3IKFA4","bundle":"https://pith.science/pith/YJ2V2646SYGFXOYPGCLT3IKFA4/bundle.json","state":"https://pith.science/pith/YJ2V2646SYGFXOYPGCLT3IKFA4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YJ2V2646SYGFXOYPGCLT3IKFA4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:YJ2V2646SYGFXOYPGCLT3IKFA4","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":"3bda3f148a66d77cc73f7645db44a777c4e86e27a9edbf7c8bdd25cec07bf47b","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-03-09T03:43:23Z","title_canon_sha256":"4c7656dbf89871b85084f0c9747f68f58da1aec2e837a02d2e832e3e6bbd707d"},"schema_version":"1.0","source":{"id":"astro-ph/0403200","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0403200","created_at":"2026-05-18T04:35:35Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0403200v1","created_at":"2026-05-18T04:35:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0403200","created_at":"2026-05-18T04:35:35Z"},{"alias_kind":"pith_short_12","alias_value":"YJ2V2646SYGF","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"YJ2V2646SYGFXOYP","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"YJ2V2646","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:3357a6993ed11ee53d431e974c3c27e3cf1d2b3171daa7e2c6eec3dfa2e78c00","target":"graph","created_at":"2026-05-18T04:35:35Z","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 consider the general conditions of quark droplets formation in high density neutron matter. The growth of the quark bubble (assumed to contain a sufficiently large number of particles) can be described by means of a Fokker-Planck equation. The dynamics of the nucleation essentially depends on the physical properties of the medium it takes place. The conditions for quark bubble formation are analyzed within the frameworks of both dissipative and non-dissipative (with zero bulk and shear viscosity coefficients) approaches. The conversion time of the neutron star to a quark star is obtained as","authors_text":"K. S. Cheng, P. S. Tang, T. Harko","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-03-09T03:43:23Z","title":"Nucleation of quark matter in neutron stars cores"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0403200","kind":"arxiv","version":1},"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":"sha256:38b657802bdbf361536f3ac2053da64f0c0cf253606d4181a655d5c36516137d","target":"record","created_at":"2026-05-18T04:35:35Z","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":"3bda3f148a66d77cc73f7645db44a777c4e86e27a9edbf7c8bdd25cec07bf47b","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-03-09T03:43:23Z","title_canon_sha256":"4c7656dbf89871b85084f0c9747f68f58da1aec2e837a02d2e832e3e6bbd707d"},"schema_version":"1.0","source":{"id":"astro-ph/0403200","kind":"arxiv","version":1}},"canonical_sha256":"c2755d7b9e960c5bbb0f30973da1450714aeed97af0ec199fd758dcda0f313f9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2755d7b9e960c5bbb0f30973da1450714aeed97af0ec199fd758dcda0f313f9","first_computed_at":"2026-05-18T04:35:35.795578Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:35:35.795578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z8C3nGfXRPdW8VAz1IVOx+d3mnFu8K5H/DFF+pespb+46/kd4HDitOc2RvwND/fshPEkMHthf4i7VeA/hAuxBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:35:35.796085Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0403200","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:38b657802bdbf361536f3ac2053da64f0c0cf253606d4181a655d5c36516137d","sha256:3357a6993ed11ee53d431e974c3c27e3cf1d2b3171daa7e2c6eec3dfa2e78c00"],"state_sha256":"48f01d03b8d377f8404efae14bed7747ccbe7724c9b59b8c05fb826e5f4c8042"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NVIxT22BsqRpaxpk122O02rR4T8dbpJCk+WntCA6Oaeuht+LoO/z44m6BR1AdURmYSfWgbaWhpZLG5Y0dIWLAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T07:33:22.051839Z","bundle_sha256":"149a6bf40d1d89c7915c15772f8f7ef51ca95800964d29fd61a08edacda70dd4"}}