{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:BAX2OZQ3CTB5CAIRLPCJWZSV7M","short_pith_number":"pith:BAX2OZQ3","canonical_record":{"source":{"id":"1207.1036","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-07-04T15:41:29Z","cross_cats_sorted":[],"title_canon_sha256":"8274e67a33bd0dfef69a063614b7251ea71c8a8feb7f9fbb460917b29a6e1b18","abstract_canon_sha256":"74aaada844f7188392ff9ed59d96b5d703379d66e6334d5edfff505b09e3e1ce"},"schema_version":"1.0"},"canonical_sha256":"082fa7661b14c3d101115bc49b6655fb1abff4716d273ee15b5de0b61a30cde0","source":{"kind":"arxiv","id":"1207.1036","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.1036","created_at":"2026-05-18T03:51:47Z"},{"alias_kind":"arxiv_version","alias_value":"1207.1036v1","created_at":"2026-05-18T03:51:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.1036","created_at":"2026-05-18T03:51:47Z"},{"alias_kind":"pith_short_12","alias_value":"BAX2OZQ3CTB5","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"BAX2OZQ3CTB5CAIR","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"BAX2OZQ3","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:BAX2OZQ3CTB5CAIRLPCJWZSV7M","target":"record","payload":{"canonical_record":{"source":{"id":"1207.1036","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-07-04T15:41:29Z","cross_cats_sorted":[],"title_canon_sha256":"8274e67a33bd0dfef69a063614b7251ea71c8a8feb7f9fbb460917b29a6e1b18","abstract_canon_sha256":"74aaada844f7188392ff9ed59d96b5d703379d66e6334d5edfff505b09e3e1ce"},"schema_version":"1.0"},"canonical_sha256":"082fa7661b14c3d101115bc49b6655fb1abff4716d273ee15b5de0b61a30cde0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:51:47.694929Z","signature_b64":"oiL2qzx3ntV5o20ihoSIoo8EMKHxVZ4Xi9a/i2Ieej5eFa8H9q2nwPcKbZRDgxApCsT/pjt+c39iNkiOa2/SDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"082fa7661b14c3d101115bc49b6655fb1abff4716d273ee15b5de0b61a30cde0","last_reissued_at":"2026-05-18T03:51:47.694084Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:51:47.694084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.1036","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":"2026-05-18T03:51:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3pS/esKDgji+j5DOkDkG6fWJQV5VC6nPFTtJCVYBLNlnGqqbfdsm3iQGK/vcjVcRvK5WEMxd1rnteTE4j3pMCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T18:06:45.939667Z"},"content_sha256":"2d3caf5f0f5853f2e433a146f6cbb4c694dae04022617e4f42e73d492efb4176","schema_version":"1.0","event_id":"sha256:2d3caf5f0f5853f2e433a146f6cbb4c694dae04022617e4f42e73d492efb4176"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:BAX2OZQ3CTB5CAIRLPCJWZSV7M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Investigation of exciton transport in crystalline thin-films of the organic semiconductor di-indeno-perylene using photoluminescence analyses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. K. Topczak, B. Engels, J. Pfaum, T. Roller, W. Br\\\"utting","submitted_at":"2012-07-04T15:41:29Z","abstract_excerpt":"The exciton transport in the prototypical organic semiconductor Di-Indeno-Perylene (DIP) has been investigated by means of photoluminescence (PL) quenching and interpreted by an advanced exciton diffusion model including interference effects, quencher penetration as well as non-perfect exciton quenching. X-ray difraction revealed a correlation between the exciton diffusion length of about 90 nm and the structural coherence length of the DIP layers. Temperature dependent studies in a range of 5 - 300 K indicated an incoherent exciton transport above 80 K at activation energies of 10 - 20 meV re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.1036","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":"2026-05-18T03:51:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AHvBtcy5ULDmlBAm425bUdxmUVPlb/VtxE7D/BRXCHENeu7RkMByc8n6401cULli5papOtARJTE6PDV7WxwwCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T18:06:45.940361Z"},"content_sha256":"246f7de2a72b4c0e79f458695b977d59140082b688689e012a2d6c08371cf294","schema_version":"1.0","event_id":"sha256:246f7de2a72b4c0e79f458695b977d59140082b688689e012a2d6c08371cf294"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BAX2OZQ3CTB5CAIRLPCJWZSV7M/bundle.json","state_url":"https://pith.science/pith/BAX2OZQ3CTB5CAIRLPCJWZSV7M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BAX2OZQ3CTB5CAIRLPCJWZSV7M/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":"2026-06-08T18:06:45Z","links":{"resolver":"https://pith.science/pith/BAX2OZQ3CTB5CAIRLPCJWZSV7M","bundle":"https://pith.science/pith/BAX2OZQ3CTB5CAIRLPCJWZSV7M/bundle.json","state":"https://pith.science/pith/BAX2OZQ3CTB5CAIRLPCJWZSV7M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BAX2OZQ3CTB5CAIRLPCJWZSV7M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:BAX2OZQ3CTB5CAIRLPCJWZSV7M","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":"74aaada844f7188392ff9ed59d96b5d703379d66e6334d5edfff505b09e3e1ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-07-04T15:41:29Z","title_canon_sha256":"8274e67a33bd0dfef69a063614b7251ea71c8a8feb7f9fbb460917b29a6e1b18"},"schema_version":"1.0","source":{"id":"1207.1036","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.1036","created_at":"2026-05-18T03:51:47Z"},{"alias_kind":"arxiv_version","alias_value":"1207.1036v1","created_at":"2026-05-18T03:51:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.1036","created_at":"2026-05-18T03:51:47Z"},{"alias_kind":"pith_short_12","alias_value":"BAX2OZQ3CTB5","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"BAX2OZQ3CTB5CAIR","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"BAX2OZQ3","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:246f7de2a72b4c0e79f458695b977d59140082b688689e012a2d6c08371cf294","target":"graph","created_at":"2026-05-18T03:51:47Z","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":"The exciton transport in the prototypical organic semiconductor Di-Indeno-Perylene (DIP) has been investigated by means of photoluminescence (PL) quenching and interpreted by an advanced exciton diffusion model including interference effects, quencher penetration as well as non-perfect exciton quenching. X-ray difraction revealed a correlation between the exciton diffusion length of about 90 nm and the structural coherence length of the DIP layers. Temperature dependent studies in a range of 5 - 300 K indicated an incoherent exciton transport above 80 K at activation energies of 10 - 20 meV re","authors_text":"A. K. Topczak, B. Engels, J. Pfaum, T. Roller, W. Br\\\"utting","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-07-04T15:41:29Z","title":"Investigation of exciton transport in crystalline thin-films of the organic semiconductor di-indeno-perylene using photoluminescence analyses"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.1036","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":"sha256:2d3caf5f0f5853f2e433a146f6cbb4c694dae04022617e4f42e73d492efb4176","target":"record","created_at":"2026-05-18T03:51:47Z","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":"74aaada844f7188392ff9ed59d96b5d703379d66e6334d5edfff505b09e3e1ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-07-04T15:41:29Z","title_canon_sha256":"8274e67a33bd0dfef69a063614b7251ea71c8a8feb7f9fbb460917b29a6e1b18"},"schema_version":"1.0","source":{"id":"1207.1036","kind":"arxiv","version":1}},"canonical_sha256":"082fa7661b14c3d101115bc49b6655fb1abff4716d273ee15b5de0b61a30cde0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"082fa7661b14c3d101115bc49b6655fb1abff4716d273ee15b5de0b61a30cde0","first_computed_at":"2026-05-18T03:51:47.694084Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:51:47.694084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oiL2qzx3ntV5o20ihoSIoo8EMKHxVZ4Xi9a/i2Ieej5eFa8H9q2nwPcKbZRDgxApCsT/pjt+c39iNkiOa2/SDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:51:47.694929Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.1036","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2d3caf5f0f5853f2e433a146f6cbb4c694dae04022617e4f42e73d492efb4176","sha256:246f7de2a72b4c0e79f458695b977d59140082b688689e012a2d6c08371cf294"],"state_sha256":"43b6b95135f52a469e4c9e0a9a1855e7c2a6cc3eca17beaf77a6b2be0664faf2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A0u34vXGT4nkAEtAEJYExECjFW8bQY+nzOWe3NrDG2mmGMCoU2frPoPK5KIQk8EtZF4iugneJWhLel76QyPxDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T18:06:45.944559Z","bundle_sha256":"b4ce9b0eaba2ac886e99e770ea3b33fdcef77b72e3278c26ed84668a3bca814b"}}