{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:BBQ5JTFWEYT67OFIW6F6S5GRZS","short_pith_number":"pith:BBQ5JTFW","canonical_record":{"source":{"id":"0805.4820","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-05-30T18:08:22Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"5666524bfd2d999c90a5f0171601015ddbb0d7460d696fd7c9db50e5a1288c4e","abstract_canon_sha256":"678977bc9e410b2ee35b6c278a0b650b09c54170b1075770da15dd0d7d0f2f49"},"schema_version":"1.0"},"canonical_sha256":"0861d4ccb62627efb8a8b78be974d1ccb95d5667ae1d85db595763f787e4a4eb","source":{"kind":"arxiv","id":"0805.4820","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0805.4820","created_at":"2026-05-18T04:18:13Z"},{"alias_kind":"arxiv_version","alias_value":"0805.4820v2","created_at":"2026-05-18T04:18:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.4820","created_at":"2026-05-18T04:18:13Z"},{"alias_kind":"pith_short_12","alias_value":"BBQ5JTFWEYT6","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"BBQ5JTFWEYT67OFI","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"BBQ5JTFW","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:BBQ5JTFWEYT67OFIW6F6S5GRZS","target":"record","payload":{"canonical_record":{"source":{"id":"0805.4820","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-05-30T18:08:22Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"5666524bfd2d999c90a5f0171601015ddbb0d7460d696fd7c9db50e5a1288c4e","abstract_canon_sha256":"678977bc9e410b2ee35b6c278a0b650b09c54170b1075770da15dd0d7d0f2f49"},"schema_version":"1.0"},"canonical_sha256":"0861d4ccb62627efb8a8b78be974d1ccb95d5667ae1d85db595763f787e4a4eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:18:13.463444Z","signature_b64":"vWsIFgxHFpGuQM8NzjbIRfPfc2JQbRzN40mvT5empnKlNWGSYhEvDRSuhDigFebJN5bm3ThvHc5mDdI9l62qBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0861d4ccb62627efb8a8b78be974d1ccb95d5667ae1d85db595763f787e4a4eb","last_reissued_at":"2026-05-18T04:18:13.462909Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:18:13.462909Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0805.4820","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":"2026-05-18T04:18:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EtgpInCyKlZkIW98KQwNCCGE/W5E47sGpWsUpKLPh8EuZuTa/DoLmUmxa/6kcITBnzfrffgRflboCPGeKXGJDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T19:55:30.872370Z"},"content_sha256":"f02955802df0c5bdbdb1d2ee754eb30da14819e57a2e32348900e5d61f354869","schema_version":"1.0","event_id":"sha256:f02955802df0c5bdbdb1d2ee754eb30da14819e57a2e32348900e5d61f354869"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:BBQ5JTFWEYT67OFIW6F6S5GRZS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Viscosity and thermodynamic properties of QGP in relativistic heavy ion collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","hep-th"],"primary_cat":"nucl-th","authors_text":"Vinod Chandra, V. Ravishankar","submitted_at":"2008-05-30T18:08:22Z","abstract_excerpt":"We study the viscosity and thermodynamic properties of QGP at RHIC by employing the recently extracted equilibrium distribution functions from two hot QCD equations of state of $O(g^5)$ and $O(g^6\\ln(1/g))$ respectively. After obtaining the temperature dependence of energy density, and entropy density, we focus our attention on the determination of shear viscosity for a rapidly expanding interacting plasma, as a function of temperature. We find that interactions significantly decrease the shear viscosity. They decrease the viscosity to entropy density ratio, $\\eta/{\\mathcal S}$ as well."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.4820","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":"2026-05-18T04:18:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BN1P6AyDlxdgHvagvj8oQ0RpG7NR1Teg0HLhPNdg303YLCkRvNw3f1q4XUZf6Yeupdy8ce8a/kQnjW3ddLxnBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T19:55:30.872829Z"},"content_sha256":"31adc5f7e29cecf9090c8b3e7a51194b1e533a2ca0e3daebe302183982746688","schema_version":"1.0","event_id":"sha256:31adc5f7e29cecf9090c8b3e7a51194b1e533a2ca0e3daebe302183982746688"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BBQ5JTFWEYT67OFIW6F6S5GRZS/bundle.json","state_url":"https://pith.science/pith/BBQ5JTFWEYT67OFIW6F6S5GRZS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BBQ5JTFWEYT67OFIW6F6S5GRZS/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":"2026-08-22T19:55:30Z","links":{"resolver":"https://pith.science/pith/BBQ5JTFWEYT67OFIW6F6S5GRZS","bundle":"https://pith.science/pith/BBQ5JTFWEYT67OFIW6F6S5GRZS/bundle.json","state":"https://pith.science/pith/BBQ5JTFWEYT67OFIW6F6S5GRZS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BBQ5JTFWEYT67OFIW6F6S5GRZS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:BBQ5JTFWEYT67OFIW6F6S5GRZS","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":"678977bc9e410b2ee35b6c278a0b650b09c54170b1075770da15dd0d7d0f2f49","cross_cats_sorted":["hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-05-30T18:08:22Z","title_canon_sha256":"5666524bfd2d999c90a5f0171601015ddbb0d7460d696fd7c9db50e5a1288c4e"},"schema_version":"1.0","source":{"id":"0805.4820","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0805.4820","created_at":"2026-05-18T04:18:13Z"},{"alias_kind":"arxiv_version","alias_value":"0805.4820v2","created_at":"2026-05-18T04:18:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.4820","created_at":"2026-05-18T04:18:13Z"},{"alias_kind":"pith_short_12","alias_value":"BBQ5JTFWEYT6","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"BBQ5JTFWEYT67OFI","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"BBQ5JTFW","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:31adc5f7e29cecf9090c8b3e7a51194b1e533a2ca0e3daebe302183982746688","target":"graph","created_at":"2026-05-18T04:18:13Z","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 study the viscosity and thermodynamic properties of QGP at RHIC by employing the recently extracted equilibrium distribution functions from two hot QCD equations of state of $O(g^5)$ and $O(g^6\\ln(1/g))$ respectively. After obtaining the temperature dependence of energy density, and entropy density, we focus our attention on the determination of shear viscosity for a rapidly expanding interacting plasma, as a function of temperature. We find that interactions significantly decrease the shear viscosity. They decrease the viscosity to entropy density ratio, $\\eta/{\\mathcal S}$ as well.","authors_text":"Vinod Chandra, V. Ravishankar","cross_cats":["hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-05-30T18:08:22Z","title":"Viscosity and thermodynamic properties of QGP in relativistic heavy ion collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.4820","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:f02955802df0c5bdbdb1d2ee754eb30da14819e57a2e32348900e5d61f354869","target":"record","created_at":"2026-05-18T04:18:13Z","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":"678977bc9e410b2ee35b6c278a0b650b09c54170b1075770da15dd0d7d0f2f49","cross_cats_sorted":["hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-05-30T18:08:22Z","title_canon_sha256":"5666524bfd2d999c90a5f0171601015ddbb0d7460d696fd7c9db50e5a1288c4e"},"schema_version":"1.0","source":{"id":"0805.4820","kind":"arxiv","version":2}},"canonical_sha256":"0861d4ccb62627efb8a8b78be974d1ccb95d5667ae1d85db595763f787e4a4eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0861d4ccb62627efb8a8b78be974d1ccb95d5667ae1d85db595763f787e4a4eb","first_computed_at":"2026-05-18T04:18:13.462909Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:18:13.462909Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vWsIFgxHFpGuQM8NzjbIRfPfc2JQbRzN40mvT5empnKlNWGSYhEvDRSuhDigFebJN5bm3ThvHc5mDdI9l62qBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:18:13.463444Z","signed_message":"canonical_sha256_bytes"},"source_id":"0805.4820","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f02955802df0c5bdbdb1d2ee754eb30da14819e57a2e32348900e5d61f354869","sha256:31adc5f7e29cecf9090c8b3e7a51194b1e533a2ca0e3daebe302183982746688"],"state_sha256":"355b96d4bbc1c9baaf3b3975bc67cee5293e28184eb3c9d91724d72344706951"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DAOCel5Ii3000ksNZSOvGeVepMtCU9dp4WzNvC7cih1XviYOR7WHb/GvbrccVmTZxpOJ4U+B9OY7TYgJueq2Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T19:55:30.878239Z","bundle_sha256":"7ef49116dfff6b3cf940fdb86fb01135074d28adf88e0b69961da5662e228083"}}