{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:GBJSQHBIDD5ZPOBV3XLHA4SNR7","short_pith_number":"pith:GBJSQHBI","canonical_record":{"source":{"id":"1807.09191","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-07-24T15:44:10Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"144572bec7df426d74ddbf81e27c1bf7afef0ccc213f15bcd65b14493100ff9c","abstract_canon_sha256":"285455f7620ed20ca7684597a06e7e362d5803619258ce848e4e40e5fbe13ec5"},"schema_version":"1.0"},"canonical_sha256":"3053281c2818fb97b835ddd670724d8fedbe7c66aedb350bb5c3a545bdc912a2","source":{"kind":"arxiv","id":"1807.09191","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.09191","created_at":"2026-05-18T00:09:56Z"},{"alias_kind":"arxiv_version","alias_value":"1807.09191v1","created_at":"2026-05-18T00:09:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.09191","created_at":"2026-05-18T00:09:56Z"},{"alias_kind":"pith_short_12","alias_value":"GBJSQHBIDD5Z","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GBJSQHBIDD5ZPOBV","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GBJSQHBI","created_at":"2026-05-18T12:32:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:GBJSQHBIDD5ZPOBV3XLHA4SNR7","target":"record","payload":{"canonical_record":{"source":{"id":"1807.09191","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-07-24T15:44:10Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"144572bec7df426d74ddbf81e27c1bf7afef0ccc213f15bcd65b14493100ff9c","abstract_canon_sha256":"285455f7620ed20ca7684597a06e7e362d5803619258ce848e4e40e5fbe13ec5"},"schema_version":"1.0"},"canonical_sha256":"3053281c2818fb97b835ddd670724d8fedbe7c66aedb350bb5c3a545bdc912a2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:56.477386Z","signature_b64":"zIzwD9gk9c9Vbb+lSDndYSdVZo9GjxInK2lrYAgeIcUOKZRx/Ii8+ckaHAkng4LFpKmCli8khmqx5U4rc/rcCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3053281c2818fb97b835ddd670724d8fedbe7c66aedb350bb5c3a545bdc912a2","last_reissued_at":"2026-05-18T00:09:56.476604Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:56.476604Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.09191","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:09:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Yp02Xk4sI2POwzYdI6R46Ljrjl6NYo9rRPnMPesqVCP+qjj4NJRVnwrhqGTlSWN7piHf9PuBhZ2mC1NNFl3Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T18:50:10.099403Z"},"content_sha256":"6813037b87b45c0ef43970a3fdddc5b1dd287c2da9b00196288f5141f8182df3","schema_version":"1.0","event_id":"sha256:6813037b87b45c0ef43970a3fdddc5b1dd287c2da9b00196288f5141f8182df3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:GBJSQHBIDD5ZPOBV3XLHA4SNR7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum signature of exciton condensation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.chem-ph","authors_text":"David A. Mazziotti, Shiva Safaei","submitted_at":"2018-07-24T15:44:10Z","abstract_excerpt":"Exciton condensation, a Bose-Einstein-like condensation of excitons, was recently reported in an electronic double layer (EDL) of graphene. We show that a universal quantum signature for exciton condensation can be used to both identity and quantify exciton condensation in molecular systems from direct calculations of the two-electron reduced density matrix. Computed large eigenvalues in the particle-hole reduced-density matrices of pentacene and hexacene EDLs reveal the beginnings of condensation, suggesting the potential for exciton condensation in smaller scale molecular EDLs."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.09191","kind":"arxiv","version":1},"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":"2026-05-18T00:09:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rm7LnZhDfTodlFcFAQ6JB6FLGL4euI9LyI2/VJ4x/Z1qADUjWbrksG5b/DSQPhDu6+I5VkNmKKnrrS05c8jGCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T18:50:10.100236Z"},"content_sha256":"439773cdefa118d0fd2cfc4dd8d8b4bbe77064e59d0fec0687b60fc8051b66ca","schema_version":"1.0","event_id":"sha256:439773cdefa118d0fd2cfc4dd8d8b4bbe77064e59d0fec0687b60fc8051b66ca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GBJSQHBIDD5ZPOBV3XLHA4SNR7/bundle.json","state_url":"https://pith.science/pith/GBJSQHBIDD5ZPOBV3XLHA4SNR7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GBJSQHBIDD5ZPOBV3XLHA4SNR7/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":"2026-08-16T18:50:10Z","links":{"resolver":"https://pith.science/pith/GBJSQHBIDD5ZPOBV3XLHA4SNR7","bundle":"https://pith.science/pith/GBJSQHBIDD5ZPOBV3XLHA4SNR7/bundle.json","state":"https://pith.science/pith/GBJSQHBIDD5ZPOBV3XLHA4SNR7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GBJSQHBIDD5ZPOBV3XLHA4SNR7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:GBJSQHBIDD5ZPOBV3XLHA4SNR7","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":"285455f7620ed20ca7684597a06e7e362d5803619258ce848e4e40e5fbe13ec5","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-07-24T15:44:10Z","title_canon_sha256":"144572bec7df426d74ddbf81e27c1bf7afef0ccc213f15bcd65b14493100ff9c"},"schema_version":"1.0","source":{"id":"1807.09191","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.09191","created_at":"2026-05-18T00:09:56Z"},{"alias_kind":"arxiv_version","alias_value":"1807.09191v1","created_at":"2026-05-18T00:09:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.09191","created_at":"2026-05-18T00:09:56Z"},{"alias_kind":"pith_short_12","alias_value":"GBJSQHBIDD5Z","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GBJSQHBIDD5ZPOBV","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GBJSQHBI","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:439773cdefa118d0fd2cfc4dd8d8b4bbe77064e59d0fec0687b60fc8051b66ca","target":"graph","created_at":"2026-05-18T00:09:56Z","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":"Exciton condensation, a Bose-Einstein-like condensation of excitons, was recently reported in an electronic double layer (EDL) of graphene. We show that a universal quantum signature for exciton condensation can be used to both identity and quantify exciton condensation in molecular systems from direct calculations of the two-electron reduced density matrix. Computed large eigenvalues in the particle-hole reduced-density matrices of pentacene and hexacene EDLs reveal the beginnings of condensation, suggesting the potential for exciton condensation in smaller scale molecular EDLs.","authors_text":"David A. Mazziotti, Shiva Safaei","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-07-24T15:44:10Z","title":"Quantum signature of exciton condensation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.09191","kind":"arxiv","version":1},"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":"sha256:6813037b87b45c0ef43970a3fdddc5b1dd287c2da9b00196288f5141f8182df3","target":"record","created_at":"2026-05-18T00:09:56Z","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":"285455f7620ed20ca7684597a06e7e362d5803619258ce848e4e40e5fbe13ec5","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-07-24T15:44:10Z","title_canon_sha256":"144572bec7df426d74ddbf81e27c1bf7afef0ccc213f15bcd65b14493100ff9c"},"schema_version":"1.0","source":{"id":"1807.09191","kind":"arxiv","version":1}},"canonical_sha256":"3053281c2818fb97b835ddd670724d8fedbe7c66aedb350bb5c3a545bdc912a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3053281c2818fb97b835ddd670724d8fedbe7c66aedb350bb5c3a545bdc912a2","first_computed_at":"2026-05-18T00:09:56.476604Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:56.476604Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zIzwD9gk9c9Vbb+lSDndYSdVZo9GjxInK2lrYAgeIcUOKZRx/Ii8+ckaHAkng4LFpKmCli8khmqx5U4rc/rcCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:56.477386Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.09191","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6813037b87b45c0ef43970a3fdddc5b1dd287c2da9b00196288f5141f8182df3","sha256:439773cdefa118d0fd2cfc4dd8d8b4bbe77064e59d0fec0687b60fc8051b66ca"],"state_sha256":"c93118c1ea5412101ac83f265575c17b27287840f58fc97a3a9c39d2897f1270"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ISfXWaUQIPrnCFg0JsV1tlv1FW8vf4tHF1BcWdVIEvo30jz08zDskmC4hzMRW86WFVfje6Q/c6X4p2MOkP7/Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T18:50:10.105778Z","bundle_sha256":"94f0ac0bb4c29a8dc1a0c0556a63cd9ebae16baa1424fb7a3de5d3606546f556"}}