{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:WERQAYH5YTTFIXDQRHI6PYTM6G","short_pith_number":"pith:WERQAYH5","canonical_record":{"source":{"id":"1306.5361","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-06-23T00:09:52Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"305deb25cefe9e95d7c5844e6121eff1e057a6d9d8d2f68f525d9041054b40db","abstract_canon_sha256":"0c518459c5c404b6ab778890d5c65125b40d8822355ceec022aec2dc9d9d2a0a"},"schema_version":"1.0"},"canonical_sha256":"b1230060fdc4e6545c7089d1e7e26cf1988ecbe9daff978835dcc13fdfdcad3f","source":{"kind":"arxiv","id":"1306.5361","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.5361","created_at":"2026-05-18T03:07:23Z"},{"alias_kind":"arxiv_version","alias_value":"1306.5361v2","created_at":"2026-05-18T03:07:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.5361","created_at":"2026-05-18T03:07:23Z"},{"alias_kind":"pith_short_12","alias_value":"WERQAYH5YTTF","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"WERQAYH5YTTFIXDQ","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"WERQAYH5","created_at":"2026-05-18T12:28:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:WERQAYH5YTTFIXDQRHI6PYTM6G","target":"record","payload":{"canonical_record":{"source":{"id":"1306.5361","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-06-23T00:09:52Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"305deb25cefe9e95d7c5844e6121eff1e057a6d9d8d2f68f525d9041054b40db","abstract_canon_sha256":"0c518459c5c404b6ab778890d5c65125b40d8822355ceec022aec2dc9d9d2a0a"},"schema_version":"1.0"},"canonical_sha256":"b1230060fdc4e6545c7089d1e7e26cf1988ecbe9daff978835dcc13fdfdcad3f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:07:23.247741Z","signature_b64":"StMXnNoBfz0TS0qRLweHNq4irrspF0yX99dov2vLddppv5jpG/DiqT7r+8hIjvQSRYBx9cCPRVttS0vR/KwjCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b1230060fdc4e6545c7089d1e7e26cf1988ecbe9daff978835dcc13fdfdcad3f","last_reissued_at":"2026-05-18T03:07:23.247298Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:07:23.247298Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.5361","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":"2026-05-18T03:07:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"moY/9Y19BdNPLj8NAmOJS4vcpJNP8pv/hkOR8oPkApGBAs52+GrkxwGSVV7CEoqE0vHfcKd868EsYxX+nEZEBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:10:24.640434Z"},"content_sha256":"56e5b7b7258c77a48d1d550b88d7dc0b7ff5ce13cdf5f7d643cad0afc7be71a5","schema_version":"1.0","event_id":"sha256:56e5b7b7258c77a48d1d550b88d7dc0b7ff5ce13cdf5f7d643cad0afc7be71a5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:WERQAYH5YTTFIXDQRHI6PYTM6G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Shear viscosity of neutron-rich nucleonic matter near its liquid-gas phase transition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"Bao-An Li, Che Ming Ko, Jun Xu, Lie-Wen Chen, Yu-Gang Ma","submitted_at":"2013-06-23T00:09:52Z","abstract_excerpt":"Within a relaxation time approach using free nucleon-nucleon cross sections modified by the in-medium nucleon masses that are determined from an isospin- and momentum-dependent effective nucleon-nucleon interaction, we investigate the specific shear viscosity ($\\eta/s$) of neutron-rich nucleonic matter near its liquid-gas phase transition. It is found that as the nucleonic matter is heated at fixed pressure or compressed at fixed temperature, its specific shear viscosity shows a valley shape in the temperature or density dependence, with the minimum located at the boundary of the phase transit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.5361","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":"2026-05-18T03:07:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pl1ybqu6CWbIFr6tM1s1bqjk/KBMXP0aed9tW4QexIXek3zBetI5JlArTS7M/kSzf8oPcUCdeOP6YjdIh3Y2DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:10:24.641096Z"},"content_sha256":"b6037e518dd6ca9fe040aa703c0982713b8c3ab09293cb116769e750d779c153","schema_version":"1.0","event_id":"sha256:b6037e518dd6ca9fe040aa703c0982713b8c3ab09293cb116769e750d779c153"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WERQAYH5YTTFIXDQRHI6PYTM6G/bundle.json","state_url":"https://pith.science/pith/WERQAYH5YTTFIXDQRHI6PYTM6G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WERQAYH5YTTFIXDQRHI6PYTM6G/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":"2026-05-26T22:10:24Z","links":{"resolver":"https://pith.science/pith/WERQAYH5YTTFIXDQRHI6PYTM6G","bundle":"https://pith.science/pith/WERQAYH5YTTFIXDQRHI6PYTM6G/bundle.json","state":"https://pith.science/pith/WERQAYH5YTTFIXDQRHI6PYTM6G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WERQAYH5YTTFIXDQRHI6PYTM6G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:WERQAYH5YTTFIXDQRHI6PYTM6G","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":"0c518459c5c404b6ab778890d5c65125b40d8822355ceec022aec2dc9d9d2a0a","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-06-23T00:09:52Z","title_canon_sha256":"305deb25cefe9e95d7c5844e6121eff1e057a6d9d8d2f68f525d9041054b40db"},"schema_version":"1.0","source":{"id":"1306.5361","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.5361","created_at":"2026-05-18T03:07:23Z"},{"alias_kind":"arxiv_version","alias_value":"1306.5361v2","created_at":"2026-05-18T03:07:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.5361","created_at":"2026-05-18T03:07:23Z"},{"alias_kind":"pith_short_12","alias_value":"WERQAYH5YTTF","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"WERQAYH5YTTFIXDQ","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"WERQAYH5","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:b6037e518dd6ca9fe040aa703c0982713b8c3ab09293cb116769e750d779c153","target":"graph","created_at":"2026-05-18T03:07:23Z","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":"Within a relaxation time approach using free nucleon-nucleon cross sections modified by the in-medium nucleon masses that are determined from an isospin- and momentum-dependent effective nucleon-nucleon interaction, we investigate the specific shear viscosity ($\\eta/s$) of neutron-rich nucleonic matter near its liquid-gas phase transition. It is found that as the nucleonic matter is heated at fixed pressure or compressed at fixed temperature, its specific shear viscosity shows a valley shape in the temperature or density dependence, with the minimum located at the boundary of the phase transit","authors_text":"Bao-An Li, Che Ming Ko, Jun Xu, Lie-Wen Chen, Yu-Gang Ma","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-06-23T00:09:52Z","title":"Shear viscosity of neutron-rich nucleonic matter near its liquid-gas phase transition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.5361","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":"sha256:56e5b7b7258c77a48d1d550b88d7dc0b7ff5ce13cdf5f7d643cad0afc7be71a5","target":"record","created_at":"2026-05-18T03:07:23Z","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":"0c518459c5c404b6ab778890d5c65125b40d8822355ceec022aec2dc9d9d2a0a","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-06-23T00:09:52Z","title_canon_sha256":"305deb25cefe9e95d7c5844e6121eff1e057a6d9d8d2f68f525d9041054b40db"},"schema_version":"1.0","source":{"id":"1306.5361","kind":"arxiv","version":2}},"canonical_sha256":"b1230060fdc4e6545c7089d1e7e26cf1988ecbe9daff978835dcc13fdfdcad3f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b1230060fdc4e6545c7089d1e7e26cf1988ecbe9daff978835dcc13fdfdcad3f","first_computed_at":"2026-05-18T03:07:23.247298Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:07:23.247298Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"StMXnNoBfz0TS0qRLweHNq4irrspF0yX99dov2vLddppv5jpG/DiqT7r+8hIjvQSRYBx9cCPRVttS0vR/KwjCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:07:23.247741Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.5361","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:56e5b7b7258c77a48d1d550b88d7dc0b7ff5ce13cdf5f7d643cad0afc7be71a5","sha256:b6037e518dd6ca9fe040aa703c0982713b8c3ab09293cb116769e750d779c153"],"state_sha256":"6b2b61628f95fd9c0cc9f85826998c8cf296f52ea1d600f69e11a9204957d817"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4t0wgtapQrUveW6Fb4+X/WBFBln6yGVRGF277bqzfjomCpXFOmAKgyTOeW95LS+s7Z+Om2TFTEexLCGnGpWMAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T22:10:24.644356Z","bundle_sha256":"0fe559caed345925afca0c1c8e5c9c69f38417e2dcb9fee49c15eab6bc4d29a2"}}