{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:CYCGPFTT3QPVDUS2SDRMJWZMRJ","short_pith_number":"pith:CYCGPFTT","canonical_record":{"source":{"id":"1604.00041","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-31T20:28:48Z","cross_cats_sorted":[],"title_canon_sha256":"9a31bd687785ea0fd934fe8eff35061ddd17f0c7e8d7692ea778c15fb258ec58","abstract_canon_sha256":"d2816528df0a23974ad985e0bd441c2ae81729a828fc6083b5bb1e8f92acda21"},"schema_version":"1.0"},"canonical_sha256":"1604679673dc1f51d25a90e2c4db2c8a55a5f00a8d0014200bccda73216e83c5","source":{"kind":"arxiv","id":"1604.00041","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.00041","created_at":"2026-05-18T01:17:54Z"},{"alias_kind":"arxiv_version","alias_value":"1604.00041v1","created_at":"2026-05-18T01:17:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.00041","created_at":"2026-05-18T01:17:54Z"},{"alias_kind":"pith_short_12","alias_value":"CYCGPFTT3QPV","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CYCGPFTT3QPVDUS2","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CYCGPFTT","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:CYCGPFTT3QPVDUS2SDRMJWZMRJ","target":"record","payload":{"canonical_record":{"source":{"id":"1604.00041","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-31T20:28:48Z","cross_cats_sorted":[],"title_canon_sha256":"9a31bd687785ea0fd934fe8eff35061ddd17f0c7e8d7692ea778c15fb258ec58","abstract_canon_sha256":"d2816528df0a23974ad985e0bd441c2ae81729a828fc6083b5bb1e8f92acda21"},"schema_version":"1.0"},"canonical_sha256":"1604679673dc1f51d25a90e2c4db2c8a55a5f00a8d0014200bccda73216e83c5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:54.794222Z","signature_b64":"AJxpEWF5oF/fRLGopG/BWjtNZ0ZU8oMjV0edjhXbGC8A8xLSaAKIJPFMXHQvfnMp7w2ukz5PUnh0RDg7T7GOAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1604679673dc1f51d25a90e2c4db2c8a55a5f00a8d0014200bccda73216e83c5","last_reissued_at":"2026-05-18T01:17:54.793355Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:54.793355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.00041","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":"2026-05-18T01:17:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W5PFvRHrvO1WMg7oud76t4AZpxg3DzqQ6/8DxshSmfCTYD7IRjYWs99t1rUpvp4RC71c0PuXvIeuOI6yucDPCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:20:18.393788Z"},"content_sha256":"dbc1db15ee4a34f50385fdc0fa42c68170e91521544bbb56873694f456f06cac","schema_version":"1.0","event_id":"sha256:dbc1db15ee4a34f50385fdc0fa42c68170e91521544bbb56873694f456f06cac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:CYCGPFTT3QPVDUS2SDRMJWZMRJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Structural and excited-state properties of oligoacene crystals from first principles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Florian Brown-Altvater, Jeffrey B. Neaton, Kristian Berland, Kyuho Lee, Leeor Kronik, Per Hyldgaard, Sahar Sharifzadeh, Tonatiuh Rangel","submitted_at":"2016-03-31T20:28:48Z","abstract_excerpt":"Molecular crystals are a prototypical class of van der Waals (vdW) bound organic materials with excited state properties relevant for optoelectronics applications. Predicting the structure and excited state properties of molecular crystals presents a challenge for electronic structure theory, as standard approximations to density functional theory (DFT) do not capture long range vdW dispersion interactions and do not yield excited state properties. In this work, we use a combination of DFT including vdW forces) using both non local correlation functionals and pair wise correction methods (toge"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.00041","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":"2026-05-18T01:17:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ISZ2Bfhz0Go9cCPVYsw/+e6SrQ9XgAM8jwPftszPuHPEjM/K0ELrcncOoI14d+tVcA6vG6quonPPLtMpQpsNAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:20:18.394134Z"},"content_sha256":"c7668348478cf1b12924c3a27aa53f0bfa8289c56d4d5a8e7982f613427a9e09","schema_version":"1.0","event_id":"sha256:c7668348478cf1b12924c3a27aa53f0bfa8289c56d4d5a8e7982f613427a9e09"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CYCGPFTT3QPVDUS2SDRMJWZMRJ/bundle.json","state_url":"https://pith.science/pith/CYCGPFTT3QPVDUS2SDRMJWZMRJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CYCGPFTT3QPVDUS2SDRMJWZMRJ/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":"2026-05-28T05:20:18Z","links":{"resolver":"https://pith.science/pith/CYCGPFTT3QPVDUS2SDRMJWZMRJ","bundle":"https://pith.science/pith/CYCGPFTT3QPVDUS2SDRMJWZMRJ/bundle.json","state":"https://pith.science/pith/CYCGPFTT3QPVDUS2SDRMJWZMRJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CYCGPFTT3QPVDUS2SDRMJWZMRJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:CYCGPFTT3QPVDUS2SDRMJWZMRJ","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":"d2816528df0a23974ad985e0bd441c2ae81729a828fc6083b5bb1e8f92acda21","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-31T20:28:48Z","title_canon_sha256":"9a31bd687785ea0fd934fe8eff35061ddd17f0c7e8d7692ea778c15fb258ec58"},"schema_version":"1.0","source":{"id":"1604.00041","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.00041","created_at":"2026-05-18T01:17:54Z"},{"alias_kind":"arxiv_version","alias_value":"1604.00041v1","created_at":"2026-05-18T01:17:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.00041","created_at":"2026-05-18T01:17:54Z"},{"alias_kind":"pith_short_12","alias_value":"CYCGPFTT3QPV","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CYCGPFTT3QPVDUS2","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CYCGPFTT","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:c7668348478cf1b12924c3a27aa53f0bfa8289c56d4d5a8e7982f613427a9e09","target":"graph","created_at":"2026-05-18T01:17:54Z","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":"Molecular crystals are a prototypical class of van der Waals (vdW) bound organic materials with excited state properties relevant for optoelectronics applications. Predicting the structure and excited state properties of molecular crystals presents a challenge for electronic structure theory, as standard approximations to density functional theory (DFT) do not capture long range vdW dispersion interactions and do not yield excited state properties. In this work, we use a combination of DFT including vdW forces) using both non local correlation functionals and pair wise correction methods (toge","authors_text":"Florian Brown-Altvater, Jeffrey B. Neaton, Kristian Berland, Kyuho Lee, Leeor Kronik, Per Hyldgaard, Sahar Sharifzadeh, Tonatiuh Rangel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-31T20:28:48Z","title":"Structural and excited-state properties of oligoacene crystals from first principles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.00041","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:dbc1db15ee4a34f50385fdc0fa42c68170e91521544bbb56873694f456f06cac","target":"record","created_at":"2026-05-18T01:17:54Z","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":"d2816528df0a23974ad985e0bd441c2ae81729a828fc6083b5bb1e8f92acda21","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-31T20:28:48Z","title_canon_sha256":"9a31bd687785ea0fd934fe8eff35061ddd17f0c7e8d7692ea778c15fb258ec58"},"schema_version":"1.0","source":{"id":"1604.00041","kind":"arxiv","version":1}},"canonical_sha256":"1604679673dc1f51d25a90e2c4db2c8a55a5f00a8d0014200bccda73216e83c5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1604679673dc1f51d25a90e2c4db2c8a55a5f00a8d0014200bccda73216e83c5","first_computed_at":"2026-05-18T01:17:54.793355Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:54.793355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AJxpEWF5oF/fRLGopG/BWjtNZ0ZU8oMjV0edjhXbGC8A8xLSaAKIJPFMXHQvfnMp7w2ukz5PUnh0RDg7T7GOAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:54.794222Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.00041","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbc1db15ee4a34f50385fdc0fa42c68170e91521544bbb56873694f456f06cac","sha256:c7668348478cf1b12924c3a27aa53f0bfa8289c56d4d5a8e7982f613427a9e09"],"state_sha256":"87be17861b46bf73a4cbae9bae23f475fac80935b13416cd2109524550f10a92"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dm90J2iFx5sWPcIXCGLyrWfA9NvGlu1ZpNjYaqt37Eq3ZmZWIsz91du908tqD/9zaYoaej0s2pKCggCITm/rBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T05:20:18.396189Z","bundle_sha256":"6b51e7959fe6a97ad3730974287fe73c19d14d7669c81a59af597759f73dedf8"}}