{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:J7RQRJQYZFED2G76ZRQ5R5OE3Z","short_pith_number":"pith:J7RQRJQY","canonical_record":{"source":{"id":"1601.05631","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-01-21T13:46:46Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"61f8d0c7796e0a09de8216f901a6d5c27228191a3b18e84dcd596c8b17172149","abstract_canon_sha256":"2572e4f92a10b1a18a6718a25562349c40866805e98124854d9bbe7c75935d47"},"schema_version":"1.0"},"canonical_sha256":"4fe308a618c9483d1bfecc61d8f5c4de77bf7d180fd7a37aeac06ba4dfdfcad6","source":{"kind":"arxiv","id":"1601.05631","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.05631","created_at":"2026-05-18T01:01:52Z"},{"alias_kind":"arxiv_version","alias_value":"1601.05631v2","created_at":"2026-05-18T01:01:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.05631","created_at":"2026-05-18T01:01:52Z"},{"alias_kind":"pith_short_12","alias_value":"J7RQRJQYZFED","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"J7RQRJQYZFED2G76","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"J7RQRJQY","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:J7RQRJQYZFED2G76ZRQ5R5OE3Z","target":"record","payload":{"canonical_record":{"source":{"id":"1601.05631","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-01-21T13:46:46Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"61f8d0c7796e0a09de8216f901a6d5c27228191a3b18e84dcd596c8b17172149","abstract_canon_sha256":"2572e4f92a10b1a18a6718a25562349c40866805e98124854d9bbe7c75935d47"},"schema_version":"1.0"},"canonical_sha256":"4fe308a618c9483d1bfecc61d8f5c4de77bf7d180fd7a37aeac06ba4dfdfcad6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:01:52.003975Z","signature_b64":"4NNDYk4uCH1Y3/tOXMRmzW368rO6GDQBvHKWfEw3vX97N1my1zt08pqXdmHCTUdXhzIGYLq8DoQf8JBmTNGODg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4fe308a618c9483d1bfecc61d8f5c4de77bf7d180fd7a37aeac06ba4dfdfcad6","last_reissued_at":"2026-05-18T01:01:52.003433Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:01:52.003433Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.05631","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":"2026-05-18T01:01:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9fnCiT7v48CnM6niCpazmfSt6rbiIfQLseEzirMI6IJmxpRRHYHkyPM+sLHBJEKoEA9LhZ6lt4MB++GKh82eAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T18:56:49.959373Z"},"content_sha256":"334a276ee02f56dc876aa980917feedca8213dcf991eae2edbf18d4818adf402","schema_version":"1.0","event_id":"sha256:334a276ee02f56dc876aa980917feedca8213dcf991eae2edbf18d4818adf402"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:J7RQRJQYZFED2G76ZRQ5R5OE3Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Specific Heat of Matter Formed in Relativistic Nuclear Collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-th"],"primary_cat":"nucl-ex","authors_text":"Basanta K. Nandi, Rupa Chatterjee, Sandeep Chatterjee, Sumit Basu, Tapan K. Nayak","submitted_at":"2016-01-21T13:46:46Z","abstract_excerpt":"We report the excitation energy dependence of specific heat (\\cv) of hadronic matter at freeze-out in Au+Au and Cu+Cu collisions at the Relativistic Heavy Ion Collider energies by analyzing the published data on event-by-event mean transverse momentum (\\meanpt) distributions. The \\meanpt~distributions in finite \\pt~ranges are converted to distributions of effective temperatures, and dynamical fluctuations in temperature are extracted by subtracting widths of the corresponding mixed event distributions. The heat capacity per particle at the kinetic freeze-out surface is presented as a function "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.05631","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":"2026-05-18T01:01:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Oc4yPKTU7h1HZk4uxjKu1/R4Xf+6F/wzE1Egs8wKSgjmNcnQfkKFju1jOfA792VtpjiRqSKKRrDZTlhiHCO9DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T18:56:49.960044Z"},"content_sha256":"ee1b1c447b50a400435f2f25f4555a20ec613b2a9d908e8041045ab47d88da57","schema_version":"1.0","event_id":"sha256:ee1b1c447b50a400435f2f25f4555a20ec613b2a9d908e8041045ab47d88da57"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J7RQRJQYZFED2G76ZRQ5R5OE3Z/bundle.json","state_url":"https://pith.science/pith/J7RQRJQYZFED2G76ZRQ5R5OE3Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J7RQRJQYZFED2G76ZRQ5R5OE3Z/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":"2026-06-06T18:56:49Z","links":{"resolver":"https://pith.science/pith/J7RQRJQYZFED2G76ZRQ5R5OE3Z","bundle":"https://pith.science/pith/J7RQRJQYZFED2G76ZRQ5R5OE3Z/bundle.json","state":"https://pith.science/pith/J7RQRJQYZFED2G76ZRQ5R5OE3Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J7RQRJQYZFED2G76ZRQ5R5OE3Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:J7RQRJQYZFED2G76ZRQ5R5OE3Z","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":"2572e4f92a10b1a18a6718a25562349c40866805e98124854d9bbe7c75935d47","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-01-21T13:46:46Z","title_canon_sha256":"61f8d0c7796e0a09de8216f901a6d5c27228191a3b18e84dcd596c8b17172149"},"schema_version":"1.0","source":{"id":"1601.05631","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.05631","created_at":"2026-05-18T01:01:52Z"},{"alias_kind":"arxiv_version","alias_value":"1601.05631v2","created_at":"2026-05-18T01:01:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.05631","created_at":"2026-05-18T01:01:52Z"},{"alias_kind":"pith_short_12","alias_value":"J7RQRJQYZFED","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"J7RQRJQYZFED2G76","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"J7RQRJQY","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:ee1b1c447b50a400435f2f25f4555a20ec613b2a9d908e8041045ab47d88da57","target":"graph","created_at":"2026-05-18T01:01:52Z","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 report the excitation energy dependence of specific heat (\\cv) of hadronic matter at freeze-out in Au+Au and Cu+Cu collisions at the Relativistic Heavy Ion Collider energies by analyzing the published data on event-by-event mean transverse momentum (\\meanpt) distributions. The \\meanpt~distributions in finite \\pt~ranges are converted to distributions of effective temperatures, and dynamical fluctuations in temperature are extracted by subtracting widths of the corresponding mixed event distributions. The heat capacity per particle at the kinetic freeze-out surface is presented as a function ","authors_text":"Basanta K. Nandi, Rupa Chatterjee, Sandeep Chatterjee, Sumit Basu, Tapan K. Nayak","cross_cats":["hep-ph","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-01-21T13:46:46Z","title":"Specific Heat of Matter Formed in Relativistic Nuclear Collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.05631","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":"sha256:334a276ee02f56dc876aa980917feedca8213dcf991eae2edbf18d4818adf402","target":"record","created_at":"2026-05-18T01:01:52Z","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":"2572e4f92a10b1a18a6718a25562349c40866805e98124854d9bbe7c75935d47","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-01-21T13:46:46Z","title_canon_sha256":"61f8d0c7796e0a09de8216f901a6d5c27228191a3b18e84dcd596c8b17172149"},"schema_version":"1.0","source":{"id":"1601.05631","kind":"arxiv","version":2}},"canonical_sha256":"4fe308a618c9483d1bfecc61d8f5c4de77bf7d180fd7a37aeac06ba4dfdfcad6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4fe308a618c9483d1bfecc61d8f5c4de77bf7d180fd7a37aeac06ba4dfdfcad6","first_computed_at":"2026-05-18T01:01:52.003433Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:01:52.003433Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4NNDYk4uCH1Y3/tOXMRmzW368rO6GDQBvHKWfEw3vX97N1my1zt08pqXdmHCTUdXhzIGYLq8DoQf8JBmTNGODg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:01:52.003975Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.05631","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:334a276ee02f56dc876aa980917feedca8213dcf991eae2edbf18d4818adf402","sha256:ee1b1c447b50a400435f2f25f4555a20ec613b2a9d908e8041045ab47d88da57"],"state_sha256":"6ca1d6e9ddef6fe26bf11b107fc9fb2bb04e95142fb569357d6cf9cb6de5cd45"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dsTzWtzRAnNaO2lePgisilVXy+G8adyhCNAhK35W+Q6e1Y6EJyMBgzElPsntlIQtJnZ/Bg0Xy96P4HfROAuABg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T18:56:49.964111Z","bundle_sha256":"4891d334350f027aaf55c9a6b50fbb01dbe935c0f92056a44891a5e0c2892b04"}}