{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:YFZFSA36XLVMU22XIOHT46ZGOV","short_pith_number":"pith:YFZFSA36","canonical_record":{"source":{"id":"1808.01086","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-08-03T04:47:54Z","cross_cats_sorted":[],"title_canon_sha256":"e87502a9211466982065c10c8af8c222d35458a3c9ef6e517bc270eee5f3fc2b","abstract_canon_sha256":"32c02e18e4d2c8f860b0f5233055f63612a7decbd42aa9e7d50a8119e7131d0b"},"schema_version":"1.0"},"canonical_sha256":"c17259037ebaeaca6b57438f3e7b2675576c6ccfbe64ee21e4e5e53763263089","source":{"kind":"arxiv","id":"1808.01086","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.01086","created_at":"2026-05-17T23:48:33Z"},{"alias_kind":"arxiv_version","alias_value":"1808.01086v2","created_at":"2026-05-17T23:48:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.01086","created_at":"2026-05-17T23:48:33Z"},{"alias_kind":"pith_short_12","alias_value":"YFZFSA36XLVM","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YFZFSA36XLVMU22X","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YFZFSA36","created_at":"2026-05-18T12:33:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:YFZFSA36XLVMU22XIOHT46ZGOV","target":"record","payload":{"canonical_record":{"source":{"id":"1808.01086","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-08-03T04:47:54Z","cross_cats_sorted":[],"title_canon_sha256":"e87502a9211466982065c10c8af8c222d35458a3c9ef6e517bc270eee5f3fc2b","abstract_canon_sha256":"32c02e18e4d2c8f860b0f5233055f63612a7decbd42aa9e7d50a8119e7131d0b"},"schema_version":"1.0"},"canonical_sha256":"c17259037ebaeaca6b57438f3e7b2675576c6ccfbe64ee21e4e5e53763263089","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:33.958303Z","signature_b64":"o6nWbt2wxAgGswTnKiNREte1iMx212PT8EuozTdeboKDddKXqC4MUS+SVhaJgE/qR8bftLrixKOOMpedf8trCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c17259037ebaeaca6b57438f3e7b2675576c6ccfbe64ee21e4e5e53763263089","last_reissued_at":"2026-05-17T23:48:33.957868Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:33.957868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.01086","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":"2026-05-17T23:48:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sMvXTx3ieOCaDLNBKfh1aBIH0F1ntIM+IdKBm8pKvOjbchutQfKA2jlxDn9MYx9a3wu9tcEuehdrc4dB6coECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T16:18:30.215260Z"},"content_sha256":"a6aae8391750b1c420527aba8a022ec76c6a7058a265cf3e33110009d99b001b","schema_version":"1.0","event_id":"sha256:a6aae8391750b1c420527aba8a022ec76c6a7058a265cf3e33110009d99b001b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:YFZFSA36XLVMU22XIOHT46ZGOV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Combustion adiabat and the maximum mass of a quark star","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Mohammad Irfan, Ritam Mallick","submitted_at":"2018-08-03T04:47:54Z","abstract_excerpt":"We solve the Combustion adiabat (CA) or the Chapman-Jouget adiabat equation to study the phase transition (PT) of a neutron star (NS) to a quark star (QS). The hadronic matter and quark matter equation of states are used to calculate the matter velocities on either side of the shock front. The CA with the hadronic matter as an input is solved to obtain the corresponding quark matter values. The maximum of the quark pressure is reflected in the retracing of the path in the CA curve. The downstream quark pressure maximum implies towards a maximum mass limit of a phase transformed QS which is dif"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.01086","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":"2026-05-17T23:48:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"je/KhjVxy5HVqifoyO6CvpxtCIp6yKTlihCHg7uC3LT1HM+UF6cH35p2NfZZ0QZ+9JR4FB0rU8bxfMqQ34hlDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T16:18:30.215636Z"},"content_sha256":"9ed5d11dc41bd6233d2f4c8880bc6b42b5b30faa0f62570940666ffd16d92829","schema_version":"1.0","event_id":"sha256:9ed5d11dc41bd6233d2f4c8880bc6b42b5b30faa0f62570940666ffd16d92829"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YFZFSA36XLVMU22XIOHT46ZGOV/bundle.json","state_url":"https://pith.science/pith/YFZFSA36XLVMU22XIOHT46ZGOV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YFZFSA36XLVMU22XIOHT46ZGOV/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":"2026-05-20T16:18:30Z","links":{"resolver":"https://pith.science/pith/YFZFSA36XLVMU22XIOHT46ZGOV","bundle":"https://pith.science/pith/YFZFSA36XLVMU22XIOHT46ZGOV/bundle.json","state":"https://pith.science/pith/YFZFSA36XLVMU22XIOHT46ZGOV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YFZFSA36XLVMU22XIOHT46ZGOV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:YFZFSA36XLVMU22XIOHT46ZGOV","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":"32c02e18e4d2c8f860b0f5233055f63612a7decbd42aa9e7d50a8119e7131d0b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-08-03T04:47:54Z","title_canon_sha256":"e87502a9211466982065c10c8af8c222d35458a3c9ef6e517bc270eee5f3fc2b"},"schema_version":"1.0","source":{"id":"1808.01086","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.01086","created_at":"2026-05-17T23:48:33Z"},{"alias_kind":"arxiv_version","alias_value":"1808.01086v2","created_at":"2026-05-17T23:48:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.01086","created_at":"2026-05-17T23:48:33Z"},{"alias_kind":"pith_short_12","alias_value":"YFZFSA36XLVM","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YFZFSA36XLVMU22X","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YFZFSA36","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:9ed5d11dc41bd6233d2f4c8880bc6b42b5b30faa0f62570940666ffd16d92829","target":"graph","created_at":"2026-05-17T23:48:33Z","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 solve the Combustion adiabat (CA) or the Chapman-Jouget adiabat equation to study the phase transition (PT) of a neutron star (NS) to a quark star (QS). The hadronic matter and quark matter equation of states are used to calculate the matter velocities on either side of the shock front. The CA with the hadronic matter as an input is solved to obtain the corresponding quark matter values. The maximum of the quark pressure is reflected in the retracing of the path in the CA curve. The downstream quark pressure maximum implies towards a maximum mass limit of a phase transformed QS which is dif","authors_text":"Mohammad Irfan, Ritam Mallick","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-08-03T04:47:54Z","title":"Combustion adiabat and the maximum mass of a quark star"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.01086","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:a6aae8391750b1c420527aba8a022ec76c6a7058a265cf3e33110009d99b001b","target":"record","created_at":"2026-05-17T23:48:33Z","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":"32c02e18e4d2c8f860b0f5233055f63612a7decbd42aa9e7d50a8119e7131d0b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-08-03T04:47:54Z","title_canon_sha256":"e87502a9211466982065c10c8af8c222d35458a3c9ef6e517bc270eee5f3fc2b"},"schema_version":"1.0","source":{"id":"1808.01086","kind":"arxiv","version":2}},"canonical_sha256":"c17259037ebaeaca6b57438f3e7b2675576c6ccfbe64ee21e4e5e53763263089","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c17259037ebaeaca6b57438f3e7b2675576c6ccfbe64ee21e4e5e53763263089","first_computed_at":"2026-05-17T23:48:33.957868Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:33.957868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o6nWbt2wxAgGswTnKiNREte1iMx212PT8EuozTdeboKDddKXqC4MUS+SVhaJgE/qR8bftLrixKOOMpedf8trCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:33.958303Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.01086","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a6aae8391750b1c420527aba8a022ec76c6a7058a265cf3e33110009d99b001b","sha256:9ed5d11dc41bd6233d2f4c8880bc6b42b5b30faa0f62570940666ffd16d92829"],"state_sha256":"be7670a9a08e564eb93221220cf3651fd5422b919169d43ee8b6c069d1c7dd86"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hn0XCgFE6nYVhcCnKZxg6RshPgM5Vb09/xiQovuxsmldRa5cag9U6dn2SoAt39Kv1FkCPNydRuriNj2XQiERBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T16:18:30.217623Z","bundle_sha256":"8d5ab025e54b26392872522f9cb19522f2b74fcd2ce350242ed9117e978224b9"}}