{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:JVZEGAYCBSB7KKY6ZKZ5FNQD2E","short_pith_number":"pith:JVZEGAYC","canonical_record":{"source":{"id":"0910.4705","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-10-25T06:58:39Z","cross_cats_sorted":[],"title_canon_sha256":"b690bb5ab4c698f6bdb377cc26ad77e42871664541e15555f1198225c60c4266","abstract_canon_sha256":"18972feb4adf22fd9a82dbe9495518f8b836799c4473585212007338dade1bf3"},"schema_version":"1.0"},"canonical_sha256":"4d724303020c83f52b1ecab3d2b603d115c8bd2f3b48a6a61556d110b08ee320","source":{"kind":"arxiv","id":"0910.4705","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.4705","created_at":"2026-07-04T17:28:12Z"},{"alias_kind":"arxiv_version","alias_value":"0910.4705v4","created_at":"2026-07-04T17:28:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.4705","created_at":"2026-07-04T17:28:12Z"},{"alias_kind":"pith_short_12","alias_value":"JVZEGAYCBSB7","created_at":"2026-07-04T17:28:12Z"},{"alias_kind":"pith_short_16","alias_value":"JVZEGAYCBSB7KKY6","created_at":"2026-07-04T17:28:12Z"},{"alias_kind":"pith_short_8","alias_value":"JVZEGAYC","created_at":"2026-07-04T17:28:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:JVZEGAYCBSB7KKY6ZKZ5FNQD2E","target":"record","payload":{"canonical_record":{"source":{"id":"0910.4705","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-10-25T06:58:39Z","cross_cats_sorted":[],"title_canon_sha256":"b690bb5ab4c698f6bdb377cc26ad77e42871664541e15555f1198225c60c4266","abstract_canon_sha256":"18972feb4adf22fd9a82dbe9495518f8b836799c4473585212007338dade1bf3"},"schema_version":"1.0"},"canonical_sha256":"4d724303020c83f52b1ecab3d2b603d115c8bd2f3b48a6a61556d110b08ee320","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:28:12.093366Z","signature_b64":"3cp7WAjsYYHHoz+OlKgfKaE/fDHVA0VWgBiyZWZikxGswDAICL3u7/m0Pej4MxiWOPx9uatSYOvLkykWP3i1BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d724303020c83f52b1ecab3d2b603d115c8bd2f3b48a6a61556d110b08ee320","last_reissued_at":"2026-07-04T17:28:12.092974Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:28:12.092974Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.4705","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T17:28:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UiPadQY2w3D7HlrhgS+TtJOvV1x+BzwsfdbN3G6v1Qvhonndu9vTVIL/bmUu/0GJ5ibjzovfXA4FAEeeXx+1Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T04:38:12.184742Z"},"content_sha256":"dad74538c1d1051b1625f14f549fff10493feeff5dc5b9408f91fafeb2468aa0","schema_version":"1.0","event_id":"sha256:dad74538c1d1051b1625f14f549fff10493feeff5dc5b9408f91fafeb2468aa0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:JVZEGAYCBSB7KKY6ZKZ5FNQD2E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transport Coefficients from Extremal Gauss-Bonnet Black Holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Rong-Gen Cai, Yan Liu, Ya-Wen Sun","submitted_at":"2009-10-25T06:58:39Z","abstract_excerpt":"We calculate the shear viscosity of strongly coupled field theories dual to Gauss-Bonnet gravity at zero temperature with nonzero chemical potential. We find that the ratio of the shear viscosity over the entropy density is $1/4\\pi$, which is in accordance with the zero temperature limit of the ratio at nonzero temperatures. We also calculate the DC conductivity for this system at zero temperature and find that the real part of the DC conductivity vanishes up to a delta function, which is similar to the result in Einstein gravity. We show that at zero temperature, we can still have the conclus"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.4705","kind":"arxiv","version":4},"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/0910.4705/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":"2026-07-04T17:28:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VK+dI4m7f4NdknprZdNDGxl+ioaScpmLWhSLgPWlekqsot66UrEfyrRftZHjPtGpgraml9zkNh4rzsPbRVkOAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T04:38:12.185112Z"},"content_sha256":"3c990da1738fdc9e6b9d608c6ff59833792e00b07b6027287e58582e5515bf40","schema_version":"1.0","event_id":"sha256:3c990da1738fdc9e6b9d608c6ff59833792e00b07b6027287e58582e5515bf40"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JVZEGAYCBSB7KKY6ZKZ5FNQD2E/bundle.json","state_url":"https://pith.science/pith/JVZEGAYCBSB7KKY6ZKZ5FNQD2E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JVZEGAYCBSB7KKY6ZKZ5FNQD2E/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":"2026-07-05T04:38:12Z","links":{"resolver":"https://pith.science/pith/JVZEGAYCBSB7KKY6ZKZ5FNQD2E","bundle":"https://pith.science/pith/JVZEGAYCBSB7KKY6ZKZ5FNQD2E/bundle.json","state":"https://pith.science/pith/JVZEGAYCBSB7KKY6ZKZ5FNQD2E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JVZEGAYCBSB7KKY6ZKZ5FNQD2E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:JVZEGAYCBSB7KKY6ZKZ5FNQD2E","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":"18972feb4adf22fd9a82dbe9495518f8b836799c4473585212007338dade1bf3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-10-25T06:58:39Z","title_canon_sha256":"b690bb5ab4c698f6bdb377cc26ad77e42871664541e15555f1198225c60c4266"},"schema_version":"1.0","source":{"id":"0910.4705","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.4705","created_at":"2026-07-04T17:28:12Z"},{"alias_kind":"arxiv_version","alias_value":"0910.4705v4","created_at":"2026-07-04T17:28:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.4705","created_at":"2026-07-04T17:28:12Z"},{"alias_kind":"pith_short_12","alias_value":"JVZEGAYCBSB7","created_at":"2026-07-04T17:28:12Z"},{"alias_kind":"pith_short_16","alias_value":"JVZEGAYCBSB7KKY6","created_at":"2026-07-04T17:28:12Z"},{"alias_kind":"pith_short_8","alias_value":"JVZEGAYC","created_at":"2026-07-04T17:28:12Z"}],"graph_snapshots":[{"event_id":"sha256:3c990da1738fdc9e6b9d608c6ff59833792e00b07b6027287e58582e5515bf40","target":"graph","created_at":"2026-07-04T17:28:12Z","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/0910.4705/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We calculate the shear viscosity of strongly coupled field theories dual to Gauss-Bonnet gravity at zero temperature with nonzero chemical potential. We find that the ratio of the shear viscosity over the entropy density is $1/4\\pi$, which is in accordance with the zero temperature limit of the ratio at nonzero temperatures. We also calculate the DC conductivity for this system at zero temperature and find that the real part of the DC conductivity vanishes up to a delta function, which is similar to the result in Einstein gravity. We show that at zero temperature, we can still have the conclus","authors_text":"Rong-Gen Cai, Yan Liu, Ya-Wen Sun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-10-25T06:58:39Z","title":"Transport Coefficients from Extremal Gauss-Bonnet Black Holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.4705","kind":"arxiv","version":4},"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:dad74538c1d1051b1625f14f549fff10493feeff5dc5b9408f91fafeb2468aa0","target":"record","created_at":"2026-07-04T17:28:12Z","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":"18972feb4adf22fd9a82dbe9495518f8b836799c4473585212007338dade1bf3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-10-25T06:58:39Z","title_canon_sha256":"b690bb5ab4c698f6bdb377cc26ad77e42871664541e15555f1198225c60c4266"},"schema_version":"1.0","source":{"id":"0910.4705","kind":"arxiv","version":4}},"canonical_sha256":"4d724303020c83f52b1ecab3d2b603d115c8bd2f3b48a6a61556d110b08ee320","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d724303020c83f52b1ecab3d2b603d115c8bd2f3b48a6a61556d110b08ee320","first_computed_at":"2026-07-04T17:28:12.092974Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:28:12.092974Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3cp7WAjsYYHHoz+OlKgfKaE/fDHVA0VWgBiyZWZikxGswDAICL3u7/m0Pej4MxiWOPx9uatSYOvLkykWP3i1BA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:28:12.093366Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.4705","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dad74538c1d1051b1625f14f549fff10493feeff5dc5b9408f91fafeb2468aa0","sha256:3c990da1738fdc9e6b9d608c6ff59833792e00b07b6027287e58582e5515bf40"],"state_sha256":"88166431f659fd9f60844058cbc01ab6dff6fc8115767175144a9e02d16a1b17"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"loAZgXRTK63HEYJScPc8AaR7mvxMN1aLRFXdPcHW1MBJEFUtsrH3JFuVCn8X6z3ziH6x3EBnxDwiEfNAj7kRCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T04:38:12.187515Z","bundle_sha256":"e3453bb8f0642e113eb6e1b42e4917e277c3b60521e9d9599dbc17fdd3fdb694"}}