{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:757CHLND2N45R4JHDO7NJNQWCO","short_pith_number":"pith:757CHLND","canonical_record":{"source":{"id":"cond-mat/0509095","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-09-05T08:50:13Z","cross_cats_sorted":[],"title_canon_sha256":"f40b8f9e2da5968643e65952731a2329794905346a05da2de20393c6a8fce908","abstract_canon_sha256":"166575e1f36036c2760d7f086f17a5a8f55ece713a45fc98815ed90d2eb49544"},"schema_version":"1.0"},"canonical_sha256":"ff7e23ada3d379d8f1271bbed4b61613bfa63a01420e3a6ddb29f36273a75e72","source":{"kind":"arxiv","id":"cond-mat/0509095","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0509095","created_at":"2026-05-18T01:39:50Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0509095v1","created_at":"2026-05-18T01:39:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0509095","created_at":"2026-05-18T01:39:50Z"},{"alias_kind":"pith_short_12","alias_value":"757CHLND2N45","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"757CHLND2N45R4JH","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"757CHLND","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:757CHLND2N45R4JHDO7NJNQWCO","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0509095","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-09-05T08:50:13Z","cross_cats_sorted":[],"title_canon_sha256":"f40b8f9e2da5968643e65952731a2329794905346a05da2de20393c6a8fce908","abstract_canon_sha256":"166575e1f36036c2760d7f086f17a5a8f55ece713a45fc98815ed90d2eb49544"},"schema_version":"1.0"},"canonical_sha256":"ff7e23ada3d379d8f1271bbed4b61613bfa63a01420e3a6ddb29f36273a75e72","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:50.183768Z","signature_b64":"jcwhh4kLU60vEcPIvCKPtAj9zjgxZ5fjDYihyb8iCPHGpORfJP8dUtAP0ufamB1onZURE/8kowOjqU1tUPHsDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff7e23ada3d379d8f1271bbed4b61613bfa63a01420e3a6ddb29f36273a75e72","last_reissued_at":"2026-05-18T01:39:50.183125Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:50.183125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0509095","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":"2026-05-18T01:39:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h76q6ay1HN10f4GdNpGLHeFHcgemtTQdg18C6PeuPF8Mdl5KR6HWd/0jv91ctZj+o32fvod2ET7wom8c52X0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T20:06:58.276773Z"},"content_sha256":"97f413a21d239c71a56b2088e470e6d0db09e59e90195f1ab88f88d3b3b3a6ab","schema_version":"1.0","event_id":"sha256:97f413a21d239c71a56b2088e470e6d0db09e59e90195f1ab88f88d3b3b3a6ab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:757CHLND2N45R4JHDO7NJNQWCO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Macroscopic coherence of a single exciton state in a polydiacetylene organic quantum wire","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"F. Dubin, L. Legrand, M. Schott & V. Voliotis, R. Grousson, R. Melet, T. Barisien","submitted_at":"2005-09-05T08:50:13Z","abstract_excerpt":"We show that a single exciton state in an individual ordered conjugated polymer chain exhibits macroscopic quantum spatial coherence reaching tens of microns, limited by the chain length. The spatial coherence of the k=0 exciton state is demonstrated by selecting two spatially separated emitting regions of the chain and observing their interference."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0509095","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":"2026-05-18T01:39:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rcnsFW/6CQ4OqERy27dhpmhtD8xQNBP1vPZAP1Rbl1ghubRf8egcHIkkUMuuYd5tVkWAw8GWn00ZS0M7bupHBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T20:06:58.277521Z"},"content_sha256":"b2be633d8896cd1981f7165c62490835818509236ed1773aaa7a6d3b874960da","schema_version":"1.0","event_id":"sha256:b2be633d8896cd1981f7165c62490835818509236ed1773aaa7a6d3b874960da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/757CHLND2N45R4JHDO7NJNQWCO/bundle.json","state_url":"https://pith.science/pith/757CHLND2N45R4JHDO7NJNQWCO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/757CHLND2N45R4JHDO7NJNQWCO/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":"2026-06-05T20:06:58Z","links":{"resolver":"https://pith.science/pith/757CHLND2N45R4JHDO7NJNQWCO","bundle":"https://pith.science/pith/757CHLND2N45R4JHDO7NJNQWCO/bundle.json","state":"https://pith.science/pith/757CHLND2N45R4JHDO7NJNQWCO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/757CHLND2N45R4JHDO7NJNQWCO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:757CHLND2N45R4JHDO7NJNQWCO","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":"166575e1f36036c2760d7f086f17a5a8f55ece713a45fc98815ed90d2eb49544","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-09-05T08:50:13Z","title_canon_sha256":"f40b8f9e2da5968643e65952731a2329794905346a05da2de20393c6a8fce908"},"schema_version":"1.0","source":{"id":"cond-mat/0509095","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0509095","created_at":"2026-05-18T01:39:50Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0509095v1","created_at":"2026-05-18T01:39:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0509095","created_at":"2026-05-18T01:39:50Z"},{"alias_kind":"pith_short_12","alias_value":"757CHLND2N45","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"757CHLND2N45R4JH","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"757CHLND","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:b2be633d8896cd1981f7165c62490835818509236ed1773aaa7a6d3b874960da","target":"graph","created_at":"2026-05-18T01:39:50Z","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 show that a single exciton state in an individual ordered conjugated polymer chain exhibits macroscopic quantum spatial coherence reaching tens of microns, limited by the chain length. The spatial coherence of the k=0 exciton state is demonstrated by selecting two spatially separated emitting regions of the chain and observing their interference.","authors_text":"F. Dubin, L. Legrand, M. Schott & V. Voliotis, R. Grousson, R. Melet, T. Barisien","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-09-05T08:50:13Z","title":"Macroscopic coherence of a single exciton state in a polydiacetylene organic quantum wire"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0509095","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":"sha256:97f413a21d239c71a56b2088e470e6d0db09e59e90195f1ab88f88d3b3b3a6ab","target":"record","created_at":"2026-05-18T01:39:50Z","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":"166575e1f36036c2760d7f086f17a5a8f55ece713a45fc98815ed90d2eb49544","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-09-05T08:50:13Z","title_canon_sha256":"f40b8f9e2da5968643e65952731a2329794905346a05da2de20393c6a8fce908"},"schema_version":"1.0","source":{"id":"cond-mat/0509095","kind":"arxiv","version":1}},"canonical_sha256":"ff7e23ada3d379d8f1271bbed4b61613bfa63a01420e3a6ddb29f36273a75e72","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff7e23ada3d379d8f1271bbed4b61613bfa63a01420e3a6ddb29f36273a75e72","first_computed_at":"2026-05-18T01:39:50.183125Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:50.183125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jcwhh4kLU60vEcPIvCKPtAj9zjgxZ5fjDYihyb8iCPHGpORfJP8dUtAP0ufamB1onZURE/8kowOjqU1tUPHsDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:50.183768Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0509095","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:97f413a21d239c71a56b2088e470e6d0db09e59e90195f1ab88f88d3b3b3a6ab","sha256:b2be633d8896cd1981f7165c62490835818509236ed1773aaa7a6d3b874960da"],"state_sha256":"384ed94c2dc30e671f4d74d1ace295dfaae3337a2becbe3ab6cb09a6ed10a259"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OG5dfqv62+nrkWKTP6yXFEtLGDaWjVELZLO+dlG/51Qy65kd7JltWExASBG3GgXHP+Ia76Luqw3PNSsuZTwuDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T20:06:58.281668Z","bundle_sha256":"cf0b0d9e6cbc70ea968a18b1141a6b5b6c735ad35c2df8f6a07b6f037b9785b0"}}