{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:G5QUU7Y2VMJUTOJYNYLEWSXDXT","short_pith_number":"pith:G5QUU7Y2","canonical_record":{"source":{"id":"0803.0453","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-03-04T14:15:08Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"6c9da8653d2602effb8b1b3d987796b43aa642505f5de409935c6c436fb31351","abstract_canon_sha256":"0eb2a225ecb1fe8f1b277fc0a0e7479e98679dc4ed2e52ef31dbccc4bf6b406b"},"schema_version":"1.0"},"canonical_sha256":"37614a7f1aab1349b9386e164b4ae3bcdd7125d8ce3a2435e5ea187023a1a563","source":{"kind":"arxiv","id":"0803.0453","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0803.0453","created_at":"2026-07-04T15:29:52Z"},{"alias_kind":"arxiv_version","alias_value":"0803.0453v2","created_at":"2026-07-04T15:29:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.0453","created_at":"2026-07-04T15:29:52Z"},{"alias_kind":"pith_short_12","alias_value":"G5QUU7Y2VMJU","created_at":"2026-07-04T15:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"G5QUU7Y2VMJUTOJY","created_at":"2026-07-04T15:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"G5QUU7Y2","created_at":"2026-07-04T15:29:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:G5QUU7Y2VMJUTOJYNYLEWSXDXT","target":"record","payload":{"canonical_record":{"source":{"id":"0803.0453","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-03-04T14:15:08Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"6c9da8653d2602effb8b1b3d987796b43aa642505f5de409935c6c436fb31351","abstract_canon_sha256":"0eb2a225ecb1fe8f1b277fc0a0e7479e98679dc4ed2e52ef31dbccc4bf6b406b"},"schema_version":"1.0"},"canonical_sha256":"37614a7f1aab1349b9386e164b4ae3bcdd7125d8ce3a2435e5ea187023a1a563","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:29:52.039104Z","signature_b64":"qhTo3ggBOKw/h07ZY1T9AvfMfqL9py9Z6v6SaL4xWXFJ4koiiipmB1ZfT1HtM7udGGWNX9ut/kjCZ7pxlgWRAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"37614a7f1aab1349b9386e164b4ae3bcdd7125d8ce3a2435e5ea187023a1a563","last_reissued_at":"2026-07-04T15:29:52.038653Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:29:52.038653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0803.0453","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":"2026-07-04T15:29:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eTMCx64AEkoGTqhhnWylNj+2PJ2jg9/ZejPTVBwYx6z3EDULyDcmc56Ufg8OnBIfMPPNYCyIfMS8XpB5vhjEDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-20T06:54:02.500106Z"},"content_sha256":"c825380cc69b2851d2110dd2c5eb2874ec47a38f8deabb4912ca3746d58e8fff","schema_version":"1.0","event_id":"sha256:c825380cc69b2851d2110dd2c5eb2874ec47a38f8deabb4912ca3746d58e8fff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:G5QUU7Y2VMJUTOJYNYLEWSXDXT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Suppression of the Shear Viscosity in a \"semi\" Quark Gluon Plasma","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"Robert D. Pisarski, Yoshimasa Hidaka","submitted_at":"2008-03-04T14:15:08Z","abstract_excerpt":"We consider QCD at temperatures T near Tc, where the theory deconfines. We distinguish between a \"complete\" Quark Gluon Plasma (QGP), where the vacuum expectation value of the renormalized Polyakov loop is near unity, essentially constant with T, and the \"semi\"-QGP, where the loop changes strongly with T. Lattice simulations indicate that in QCD, there is a semi-QGP from below Tc to a few times that. Using a semi-classical model, we compute the shear viscosity, eta, to leading order in perturbation theory. We find that near Tc, where the expectation value of the Polyakov loop is small, that et"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.0453","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0803.0453/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:29:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MU+Cp6lQ4lcRsivItBRKPrNs9l/JwBJZpvzBQk1iYJMWTR+zKxkWGNyKBOxIfgCMiXeZCaK3eSoZshEsZ98mDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-20T06:54:02.500493Z"},"content_sha256":"997fc8ab4d300cb93b8f93b94afceee159e661fcb5ea8a31577464e88f2f7e32","schema_version":"1.0","event_id":"sha256:997fc8ab4d300cb93b8f93b94afceee159e661fcb5ea8a31577464e88f2f7e32"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G5QUU7Y2VMJUTOJYNYLEWSXDXT/bundle.json","state_url":"https://pith.science/pith/G5QUU7Y2VMJUTOJYNYLEWSXDXT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G5QUU7Y2VMJUTOJYNYLEWSXDXT/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":"2026-07-20T06:54:02Z","links":{"resolver":"https://pith.science/pith/G5QUU7Y2VMJUTOJYNYLEWSXDXT","bundle":"https://pith.science/pith/G5QUU7Y2VMJUTOJYNYLEWSXDXT/bundle.json","state":"https://pith.science/pith/G5QUU7Y2VMJUTOJYNYLEWSXDXT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G5QUU7Y2VMJUTOJYNYLEWSXDXT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:G5QUU7Y2VMJUTOJYNYLEWSXDXT","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":"0eb2a225ecb1fe8f1b277fc0a0e7479e98679dc4ed2e52ef31dbccc4bf6b406b","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-03-04T14:15:08Z","title_canon_sha256":"6c9da8653d2602effb8b1b3d987796b43aa642505f5de409935c6c436fb31351"},"schema_version":"1.0","source":{"id":"0803.0453","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0803.0453","created_at":"2026-07-04T15:29:52Z"},{"alias_kind":"arxiv_version","alias_value":"0803.0453v2","created_at":"2026-07-04T15:29:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.0453","created_at":"2026-07-04T15:29:52Z"},{"alias_kind":"pith_short_12","alias_value":"G5QUU7Y2VMJU","created_at":"2026-07-04T15:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"G5QUU7Y2VMJUTOJY","created_at":"2026-07-04T15:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"G5QUU7Y2","created_at":"2026-07-04T15:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:997fc8ab4d300cb93b8f93b94afceee159e661fcb5ea8a31577464e88f2f7e32","target":"graph","created_at":"2026-07-04T15:29:52Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0803.0453/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider QCD at temperatures T near Tc, where the theory deconfines. We distinguish between a \"complete\" Quark Gluon Plasma (QGP), where the vacuum expectation value of the renormalized Polyakov loop is near unity, essentially constant with T, and the \"semi\"-QGP, where the loop changes strongly with T. Lattice simulations indicate that in QCD, there is a semi-QGP from below Tc to a few times that. Using a semi-classical model, we compute the shear viscosity, eta, to leading order in perturbation theory. We find that near Tc, where the expectation value of the Polyakov loop is small, that et","authors_text":"Robert D. Pisarski, Yoshimasa Hidaka","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-03-04T14:15:08Z","title":"Suppression of the Shear Viscosity in a \"semi\" Quark Gluon Plasma"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.0453","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:c825380cc69b2851d2110dd2c5eb2874ec47a38f8deabb4912ca3746d58e8fff","target":"record","created_at":"2026-07-04T15:29:52Z","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":"0eb2a225ecb1fe8f1b277fc0a0e7479e98679dc4ed2e52ef31dbccc4bf6b406b","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-03-04T14:15:08Z","title_canon_sha256":"6c9da8653d2602effb8b1b3d987796b43aa642505f5de409935c6c436fb31351"},"schema_version":"1.0","source":{"id":"0803.0453","kind":"arxiv","version":2}},"canonical_sha256":"37614a7f1aab1349b9386e164b4ae3bcdd7125d8ce3a2435e5ea187023a1a563","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"37614a7f1aab1349b9386e164b4ae3bcdd7125d8ce3a2435e5ea187023a1a563","first_computed_at":"2026-07-04T15:29:52.038653Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:29:52.038653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qhTo3ggBOKw/h07ZY1T9AvfMfqL9py9Z6v6SaL4xWXFJ4koiiipmB1ZfT1HtM7udGGWNX9ut/kjCZ7pxlgWRAw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:29:52.039104Z","signed_message":"canonical_sha256_bytes"},"source_id":"0803.0453","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c825380cc69b2851d2110dd2c5eb2874ec47a38f8deabb4912ca3746d58e8fff","sha256:997fc8ab4d300cb93b8f93b94afceee159e661fcb5ea8a31577464e88f2f7e32"],"state_sha256":"3939c0647685f0f3a7d7334fdb6abbad178c605e089aa11b8123fd4fd9f7a1dd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MWxNoZTPayWJ5SFb7sc19TIAPOLrnaXY9fnrx7wPRRHe8GvShLAQfhLmjnRBkZZECHbZt82sBu3YzcRshMp3DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-20T06:54:02.502611Z","bundle_sha256":"3240e4b1f2e3c3c001099b52b6907c56e3f8a760fd92918ab5d9c0777059321e"}}