{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:FFDYOMNKIHY35OUVR2RPKQOL2V","short_pith_number":"pith:FFDYOMNK","canonical_record":{"source":{"id":"1510.08610","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-10-29T09:14:08Z","cross_cats_sorted":[],"title_canon_sha256":"0dab2beb138d74c9854c925ff76e74031fdff1c4dd121bf797ae897b494d5464","abstract_canon_sha256":"a2934b8a944dd29d475b2a9f9686de7603924dff355ef723d6baab7883290a69"},"schema_version":"1.0"},"canonical_sha256":"29478731aa41f1beba958ea2f541cbd545fb0363b90451e07c3b211f531ff634","source":{"kind":"arxiv","id":"1510.08610","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.08610","created_at":"2026-05-18T01:26:33Z"},{"alias_kind":"arxiv_version","alias_value":"1510.08610v1","created_at":"2026-05-18T01:26:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.08610","created_at":"2026-05-18T01:26:33Z"},{"alias_kind":"pith_short_12","alias_value":"FFDYOMNKIHY3","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"FFDYOMNKIHY35OUV","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"FFDYOMNK","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:FFDYOMNKIHY35OUVR2RPKQOL2V","target":"record","payload":{"canonical_record":{"source":{"id":"1510.08610","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-10-29T09:14:08Z","cross_cats_sorted":[],"title_canon_sha256":"0dab2beb138d74c9854c925ff76e74031fdff1c4dd121bf797ae897b494d5464","abstract_canon_sha256":"a2934b8a944dd29d475b2a9f9686de7603924dff355ef723d6baab7883290a69"},"schema_version":"1.0"},"canonical_sha256":"29478731aa41f1beba958ea2f541cbd545fb0363b90451e07c3b211f531ff634","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:26:33.544250Z","signature_b64":"kKl2gP5fAre3zzkGalS0mJuMpm+Pi16edrWJ7P6HaMjQubq7Y8PVZP2/dCTYn8trgMPqADC7qpRh/mXCvXDWCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"29478731aa41f1beba958ea2f541cbd545fb0363b90451e07c3b211f531ff634","last_reissued_at":"2026-05-18T01:26:33.543516Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:26:33.543516Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.08610","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":"2026-05-18T01:26:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uDlVe1JFLZCdgGo/s2jFF+hXC6aT8EBXTlZlkNHZpDPE9ZJTMRq+7j8i1rBJFe8E+hcdIMGgDr8fYH/HiIfNCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:34:32.324011Z"},"content_sha256":"388351a1b2bb00e215814038bad557f7a0f90d283862f76fa73bc61f6c54f953","schema_version":"1.0","event_id":"sha256:388351a1b2bb00e215814038bad557f7a0f90d283862f76fa73bc61f6c54f953"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:FFDYOMNKIHY35OUVR2RPKQOL2V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low energy exciton pocket at finite momentum in tetracene molecular solids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Friedrich Roth, Markus Nohr, Martin Knupfer, Silke Hampel","submitted_at":"2015-10-29T09:14:08Z","abstract_excerpt":"The excited state dynamics in organic semiconductors plays an important role for many processes associated with light absorption and emission. We have studied the momentum dependence of the lowest singlet excitons in tetracene molecular solids, an archetype system for other organic semiconductors. Our results reveal an anisotropic bandstructure of these excitons with an energy minimum at finite momentum, i. e., a low energy exciton pocket. The existence of such low energy states might have important consequences for the photophysical behavior, also in view of applications in, e. g., organic so"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.08610","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":"2026-05-18T01:26:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mivtF/7QvuknIvEILRzgoPmJ0tZmsu6acyNugTQ6L3p74lmEcpY/LeOD3OYrn9tmfRFdL2YbMGJHYe9pryUYBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:34:32.324600Z"},"content_sha256":"ade702edf9fe861e862ff1c2d719fc22a9072597fa137494922dbf70410078ec","schema_version":"1.0","event_id":"sha256:ade702edf9fe861e862ff1c2d719fc22a9072597fa137494922dbf70410078ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FFDYOMNKIHY35OUVR2RPKQOL2V/bundle.json","state_url":"https://pith.science/pith/FFDYOMNKIHY35OUVR2RPKQOL2V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FFDYOMNKIHY35OUVR2RPKQOL2V/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":"2026-05-27T07:34:32Z","links":{"resolver":"https://pith.science/pith/FFDYOMNKIHY35OUVR2RPKQOL2V","bundle":"https://pith.science/pith/FFDYOMNKIHY35OUVR2RPKQOL2V/bundle.json","state":"https://pith.science/pith/FFDYOMNKIHY35OUVR2RPKQOL2V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FFDYOMNKIHY35OUVR2RPKQOL2V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:FFDYOMNKIHY35OUVR2RPKQOL2V","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":"a2934b8a944dd29d475b2a9f9686de7603924dff355ef723d6baab7883290a69","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-10-29T09:14:08Z","title_canon_sha256":"0dab2beb138d74c9854c925ff76e74031fdff1c4dd121bf797ae897b494d5464"},"schema_version":"1.0","source":{"id":"1510.08610","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.08610","created_at":"2026-05-18T01:26:33Z"},{"alias_kind":"arxiv_version","alias_value":"1510.08610v1","created_at":"2026-05-18T01:26:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.08610","created_at":"2026-05-18T01:26:33Z"},{"alias_kind":"pith_short_12","alias_value":"FFDYOMNKIHY3","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"FFDYOMNKIHY35OUV","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"FFDYOMNK","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:ade702edf9fe861e862ff1c2d719fc22a9072597fa137494922dbf70410078ec","target":"graph","created_at":"2026-05-18T01:26:33Z","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 excited state dynamics in organic semiconductors plays an important role for many processes associated with light absorption and emission. We have studied the momentum dependence of the lowest singlet excitons in tetracene molecular solids, an archetype system for other organic semiconductors. Our results reveal an anisotropic bandstructure of these excitons with an energy minimum at finite momentum, i. e., a low energy exciton pocket. The existence of such low energy states might have important consequences for the photophysical behavior, also in view of applications in, e. g., organic so","authors_text":"Friedrich Roth, Markus Nohr, Martin Knupfer, Silke Hampel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-10-29T09:14:08Z","title":"Low energy exciton pocket at finite momentum in tetracene molecular solids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.08610","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":"sha256:388351a1b2bb00e215814038bad557f7a0f90d283862f76fa73bc61f6c54f953","target":"record","created_at":"2026-05-18T01:26:33Z","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":"a2934b8a944dd29d475b2a9f9686de7603924dff355ef723d6baab7883290a69","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-10-29T09:14:08Z","title_canon_sha256":"0dab2beb138d74c9854c925ff76e74031fdff1c4dd121bf797ae897b494d5464"},"schema_version":"1.0","source":{"id":"1510.08610","kind":"arxiv","version":1}},"canonical_sha256":"29478731aa41f1beba958ea2f541cbd545fb0363b90451e07c3b211f531ff634","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"29478731aa41f1beba958ea2f541cbd545fb0363b90451e07c3b211f531ff634","first_computed_at":"2026-05-18T01:26:33.543516Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:26:33.543516Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kKl2gP5fAre3zzkGalS0mJuMpm+Pi16edrWJ7P6HaMjQubq7Y8PVZP2/dCTYn8trgMPqADC7qpRh/mXCvXDWCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:26:33.544250Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.08610","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:388351a1b2bb00e215814038bad557f7a0f90d283862f76fa73bc61f6c54f953","sha256:ade702edf9fe861e862ff1c2d719fc22a9072597fa137494922dbf70410078ec"],"state_sha256":"72423b5d0c52f238c79f8c4d432f40bcaddd596724601eb976bfc2a7545dff0d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3UB+pzQWWzt5T44DcQOpbtGmegr6DiJJYpwUfPTXs4dtHB5oY5q3ZoWwDeuVD2ZjD1BBjN5ENxlwMYn2WGE9DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T07:34:32.327751Z","bundle_sha256":"ccce6fc2c265236d8123399928538dbe38ac91c57b18e6e1e0eee0efb0b1ba97"}}