{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:XWXF2ITT4EMFB2NGUPN6TBZ5YS","short_pith_number":"pith:XWXF2ITT","canonical_record":{"source":{"id":"hep-ph/0202108","kind":"arxiv","version":5},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2002-02-12T12:29:25Z","cross_cats_sorted":[],"title_canon_sha256":"85e5a0ccb6cf3fb744d0820f3ee42fecc72327b53d385a047dea560489de44fa","abstract_canon_sha256":"f8ed915e483465d04cf812732770cb5270189c972b46d552dede3f36814d9696"},"schema_version":"1.0"},"canonical_sha256":"bdae5d2273e11850e9a6a3dbe9873dc49cd61b58d0065504e20004fb06cfe094","source":{"kind":"arxiv","id":"hep-ph/0202108","version":5},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0202108","created_at":"2026-05-18T04:13:26Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0202108v5","created_at":"2026-05-18T04:13:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0202108","created_at":"2026-05-18T04:13:26Z"},{"alias_kind":"pith_short_12","alias_value":"XWXF2ITT4EMF","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"XWXF2ITT4EMFB2NG","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"XWXF2ITT","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:XWXF2ITT4EMFB2NGUPN6TBZ5YS","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0202108","kind":"arxiv","version":5},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2002-02-12T12:29:25Z","cross_cats_sorted":[],"title_canon_sha256":"85e5a0ccb6cf3fb744d0820f3ee42fecc72327b53d385a047dea560489de44fa","abstract_canon_sha256":"f8ed915e483465d04cf812732770cb5270189c972b46d552dede3f36814d9696"},"schema_version":"1.0"},"canonical_sha256":"bdae5d2273e11850e9a6a3dbe9873dc49cd61b58d0065504e20004fb06cfe094","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:13:26.036617Z","signature_b64":"R0HOxP/4JlLIAH1nKzTGhzi0zZH66PuVs+jGv2jZCcC/cy2UCw4cTHkbv85zMMkp33dZ/ItcgnUpMU4eUJxwAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bdae5d2273e11850e9a6a3dbe9873dc49cd61b58d0065504e20004fb06cfe094","last_reissued_at":"2026-05-18T04:13:26.036103Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:13:26.036103Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0202108","source_version":5,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:13:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5d9eUfgerj2jOtS76FL6KA0n+qSBlsskiMU+qYGfaRDrac9s7UfPtX9FT/Ac9qCcDd5hJLCwR2nlsmZn+XYXCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:28:17.320339Z"},"content_sha256":"af5644daf9ea14c2ecccf569ffb0717689b40331f8a0b30f15b2821f5895a431","schema_version":"1.0","event_id":"sha256:af5644daf9ea14c2ecccf569ffb0717689b40331f8a0b30f15b2821f5895a431"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:XWXF2ITT4EMFB2NGUPN6TBZ5YS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Compressible bag model and the phase structure","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Akihiro Nakamura, Akira Minaka, Kazunari Ohkura, Shigenori Kagiyama, Shogo Yamaguchi, Shunichiro Kumamoto","submitted_at":"2002-02-12T12:29:25Z","abstract_excerpt":"The phase structure of hadrons and quark-gluon plasma is investigated by two types of equation of hadron state, namely ideal hadron gas model and the compressible bag model. It is pointed out that, while the ideal gas model produces unrealistic extra hadron phase, the compressible bag model gives an expected and reasonable phase diagram even if rich hadron spectrum is taken into account."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0202108","kind":"arxiv","version":5},"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":"2026-05-18T04:13:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DV4wESqKI4IC3GgVD7nHh1A1R5rSpNwn2/MbCmq4LszQlFMNajRMNhOLazCEgM2/xpV6EEpsi5WzU6MpdONTCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:28:17.320978Z"},"content_sha256":"ba2ccdb4d881cf7ee12ea9f8c85a617426b097ddd44eea1ef7239065dc68c8e8","schema_version":"1.0","event_id":"sha256:ba2ccdb4d881cf7ee12ea9f8c85a617426b097ddd44eea1ef7239065dc68c8e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XWXF2ITT4EMFB2NGUPN6TBZ5YS/bundle.json","state_url":"https://pith.science/pith/XWXF2ITT4EMFB2NGUPN6TBZ5YS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XWXF2ITT4EMFB2NGUPN6TBZ5YS/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":"2026-05-26T07:28:17Z","links":{"resolver":"https://pith.science/pith/XWXF2ITT4EMFB2NGUPN6TBZ5YS","bundle":"https://pith.science/pith/XWXF2ITT4EMFB2NGUPN6TBZ5YS/bundle.json","state":"https://pith.science/pith/XWXF2ITT4EMFB2NGUPN6TBZ5YS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XWXF2ITT4EMFB2NGUPN6TBZ5YS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:XWXF2ITT4EMFB2NGUPN6TBZ5YS","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":"f8ed915e483465d04cf812732770cb5270189c972b46d552dede3f36814d9696","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2002-02-12T12:29:25Z","title_canon_sha256":"85e5a0ccb6cf3fb744d0820f3ee42fecc72327b53d385a047dea560489de44fa"},"schema_version":"1.0","source":{"id":"hep-ph/0202108","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0202108","created_at":"2026-05-18T04:13:26Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0202108v5","created_at":"2026-05-18T04:13:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0202108","created_at":"2026-05-18T04:13:26Z"},{"alias_kind":"pith_short_12","alias_value":"XWXF2ITT4EMF","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"XWXF2ITT4EMFB2NG","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"XWXF2ITT","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:ba2ccdb4d881cf7ee12ea9f8c85a617426b097ddd44eea1ef7239065dc68c8e8","target":"graph","created_at":"2026-05-18T04:13:26Z","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 phase structure of hadrons and quark-gluon plasma is investigated by two types of equation of hadron state, namely ideal hadron gas model and the compressible bag model. It is pointed out that, while the ideal gas model produces unrealistic extra hadron phase, the compressible bag model gives an expected and reasonable phase diagram even if rich hadron spectrum is taken into account.","authors_text":"Akihiro Nakamura, Akira Minaka, Kazunari Ohkura, Shigenori Kagiyama, Shogo Yamaguchi, Shunichiro Kumamoto","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2002-02-12T12:29:25Z","title":"Compressible bag model and the phase structure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0202108","kind":"arxiv","version":5},"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:af5644daf9ea14c2ecccf569ffb0717689b40331f8a0b30f15b2821f5895a431","target":"record","created_at":"2026-05-18T04:13:26Z","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":"f8ed915e483465d04cf812732770cb5270189c972b46d552dede3f36814d9696","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2002-02-12T12:29:25Z","title_canon_sha256":"85e5a0ccb6cf3fb744d0820f3ee42fecc72327b53d385a047dea560489de44fa"},"schema_version":"1.0","source":{"id":"hep-ph/0202108","kind":"arxiv","version":5}},"canonical_sha256":"bdae5d2273e11850e9a6a3dbe9873dc49cd61b58d0065504e20004fb06cfe094","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bdae5d2273e11850e9a6a3dbe9873dc49cd61b58d0065504e20004fb06cfe094","first_computed_at":"2026-05-18T04:13:26.036103Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:13:26.036103Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"R0HOxP/4JlLIAH1nKzTGhzi0zZH66PuVs+jGv2jZCcC/cy2UCw4cTHkbv85zMMkp33dZ/ItcgnUpMU4eUJxwAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:13:26.036617Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0202108","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af5644daf9ea14c2ecccf569ffb0717689b40331f8a0b30f15b2821f5895a431","sha256:ba2ccdb4d881cf7ee12ea9f8c85a617426b097ddd44eea1ef7239065dc68c8e8"],"state_sha256":"9c6743214b55e34ed83552fe747cac4738a45bfa352e59f6da9c41022ee59ff5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rXov+oTFH0iT+Bkt8mx6P6iNdg3PXdp0ms6TjZWdvWnxEiEbKJTGQnJ/tV2OTlbuUJBZ2DjoGwfxv/ou9ylmAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T07:28:17.324638Z","bundle_sha256":"fc5160e2cbd24b350ad45f13b66752da94360b9c46a8912f7d122b0f22fc6e5a"}}