{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:CCUJOAV3GZO4QM5HHO35YWRRQD","short_pith_number":"pith:CCUJOAV3","canonical_record":{"source":{"id":"2002.06121","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2020-02-14T16:47:01Z","cross_cats_sorted":[],"title_canon_sha256":"0d51e4ceae6c30fef9e5426b4bddd9d9d0b0837d1895f6c6766bce3195a938f4","abstract_canon_sha256":"f2dfb3569a09ea241e4996010c02eb35687b773bef64ef83df9fdc2aa07b2566"},"schema_version":"1.0"},"canonical_sha256":"10a89702bb365dc833a73bb7dc5a3180fa78071e93cf7c4c2af9a26ec87fb349","source":{"kind":"arxiv","id":"2002.06121","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.06121","created_at":"2026-07-05T02:54:13Z"},{"alias_kind":"arxiv_version","alias_value":"2002.06121v1","created_at":"2026-07-05T02:54:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.06121","created_at":"2026-07-05T02:54:13Z"},{"alias_kind":"pith_short_12","alias_value":"CCUJOAV3GZO4","created_at":"2026-07-05T02:54:13Z"},{"alias_kind":"pith_short_16","alias_value":"CCUJOAV3GZO4QM5H","created_at":"2026-07-05T02:54:13Z"},{"alias_kind":"pith_short_8","alias_value":"CCUJOAV3","created_at":"2026-07-05T02:54:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:CCUJOAV3GZO4QM5HHO35YWRRQD","target":"record","payload":{"canonical_record":{"source":{"id":"2002.06121","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2020-02-14T16:47:01Z","cross_cats_sorted":[],"title_canon_sha256":"0d51e4ceae6c30fef9e5426b4bddd9d9d0b0837d1895f6c6766bce3195a938f4","abstract_canon_sha256":"f2dfb3569a09ea241e4996010c02eb35687b773bef64ef83df9fdc2aa07b2566"},"schema_version":"1.0"},"canonical_sha256":"10a89702bb365dc833a73bb7dc5a3180fa78071e93cf7c4c2af9a26ec87fb349","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:54:13.445816Z","signature_b64":"MXhjSzmPAGor1taCC/9jmtxZc3TAZ5rzebe2BlF6ieXi+wliQzNO8xdRgRMl6REOeZYbEWxx9NvUmRaJaBFcDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"10a89702bb365dc833a73bb7dc5a3180fa78071e93cf7c4c2af9a26ec87fb349","last_reissued_at":"2026-07-05T02:54:13.445189Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:54:13.445189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2002.06121","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":"2026-07-05T02:54:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gZfx0KUbNjKFsI/07npdQlcdBVlviVVm4dTwefOEEueorcrGZWbQReGF/HiA2AtTUSNUg2GsoMuNO0QWQKr0Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T05:08:31.745806Z"},"content_sha256":"565a86c179fc2d7ee9bf117bfa20bbb236ad378f02375e51e1577bb82f3d6a81","schema_version":"1.0","event_id":"sha256:565a86c179fc2d7ee9bf117bfa20bbb236ad378f02375e51e1577bb82f3d6a81"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:CCUJOAV3GZO4QM5HHO35YWRRQD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The DIRAC code for relativistic molecular calculations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Andre Severo Pereira Gomes, Avijit Shee, Ayaki Sunaga, Benjamin Helmich-Paris, Bruno Senjean, Christoph R. Jacob, Elke Fa{\\ss}hauer, Ephraim Eliav, Erik Donovan Hedeg{\\aa}rd, Hans J{\\o}rgen Aagaard Jensen, Ignacio Agust{\\i}n Aucar, J\\'ogvan Magnus Haugaard Olsen, Jon K Laerdahl, Joost N. P. van Stralen, Kenneth G. Dyall, Lo{\\i}c Halbert, Lucas Visscher, Malaya K Nayak, Ma{\\l}gorzata Olejniczak, Markus Pernpointner, Marta L. Vidal, Miroslav Ilia\\v{s}, Radovan Bast, Roberto Di Remigio, Stefan Knecht, Timo Fleig, Trond Saue","submitted_at":"2020-02-14T16:47:01Z","abstract_excerpt":"DIRAC is a freely distributed general-purpose program system for 1-, 2- and 4-component relativistic molecular calculations at the level of Hartree--Fock, Kohn--Sham (including range-separated theory), multiconfigurational self-consistent-field, multireference configuration interaction, coupled cluster and electron propagator theory. At the self-consistent-field level a highly original scheme, based on quaternion algebra, is implemented for the treatment of both spatial and time reversal symmetry. DIRAC features a very general module for the calculation of molecular properties that to a large "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.06121","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2002.06121/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:54:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C98Qqj0Lw4m23A3ulFmr474/nyktPexKhLlS/3IESJbyBWuDNYhvl55jMRdHJ9r8Iv+qJHtFNM6jrDyqz6ZICQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T05:08:31.746393Z"},"content_sha256":"8ca8a26b2246e8245076fd7c63ad659e225bc74565d577af12ccc52323611a65","schema_version":"1.0","event_id":"sha256:8ca8a26b2246e8245076fd7c63ad659e225bc74565d577af12ccc52323611a65"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CCUJOAV3GZO4QM5HHO35YWRRQD/bundle.json","state_url":"https://pith.science/pith/CCUJOAV3GZO4QM5HHO35YWRRQD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CCUJOAV3GZO4QM5HHO35YWRRQD/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":"2026-08-01T05:08:31Z","links":{"resolver":"https://pith.science/pith/CCUJOAV3GZO4QM5HHO35YWRRQD","bundle":"https://pith.science/pith/CCUJOAV3GZO4QM5HHO35YWRRQD/bundle.json","state":"https://pith.science/pith/CCUJOAV3GZO4QM5HHO35YWRRQD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CCUJOAV3GZO4QM5HHO35YWRRQD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:CCUJOAV3GZO4QM5HHO35YWRRQD","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":"f2dfb3569a09ea241e4996010c02eb35687b773bef64ef83df9fdc2aa07b2566","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2020-02-14T16:47:01Z","title_canon_sha256":"0d51e4ceae6c30fef9e5426b4bddd9d9d0b0837d1895f6c6766bce3195a938f4"},"schema_version":"1.0","source":{"id":"2002.06121","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.06121","created_at":"2026-07-05T02:54:13Z"},{"alias_kind":"arxiv_version","alias_value":"2002.06121v1","created_at":"2026-07-05T02:54:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.06121","created_at":"2026-07-05T02:54:13Z"},{"alias_kind":"pith_short_12","alias_value":"CCUJOAV3GZO4","created_at":"2026-07-05T02:54:13Z"},{"alias_kind":"pith_short_16","alias_value":"CCUJOAV3GZO4QM5H","created_at":"2026-07-05T02:54:13Z"},{"alias_kind":"pith_short_8","alias_value":"CCUJOAV3","created_at":"2026-07-05T02:54:13Z"}],"graph_snapshots":[{"event_id":"sha256:8ca8a26b2246e8245076fd7c63ad659e225bc74565d577af12ccc52323611a65","target":"graph","created_at":"2026-07-05T02:54:13Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2002.06121/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"DIRAC is a freely distributed general-purpose program system for 1-, 2- and 4-component relativistic molecular calculations at the level of Hartree--Fock, Kohn--Sham (including range-separated theory), multiconfigurational self-consistent-field, multireference configuration interaction, coupled cluster and electron propagator theory. At the self-consistent-field level a highly original scheme, based on quaternion algebra, is implemented for the treatment of both spatial and time reversal symmetry. DIRAC features a very general module for the calculation of molecular properties that to a large ","authors_text":"Andre Severo Pereira Gomes, Avijit Shee, Ayaki Sunaga, Benjamin Helmich-Paris, Bruno Senjean, Christoph R. Jacob, Elke Fa{\\ss}hauer, Ephraim Eliav, Erik Donovan Hedeg{\\aa}rd, Hans J{\\o}rgen Aagaard Jensen, Ignacio Agust{\\i}n Aucar, J\\'ogvan Magnus Haugaard Olsen, Jon K Laerdahl, Joost N. P. van Stralen, Kenneth G. Dyall, Lo{\\i}c Halbert, Lucas Visscher, Malaya K Nayak, Ma{\\l}gorzata Olejniczak, Markus Pernpointner, Marta L. Vidal, Miroslav Ilia\\v{s}, Radovan Bast, Roberto Di Remigio, Stefan Knecht, Timo Fleig, Trond Saue","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2020-02-14T16:47:01Z","title":"The DIRAC code for relativistic molecular calculations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.06121","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":"sha256:565a86c179fc2d7ee9bf117bfa20bbb236ad378f02375e51e1577bb82f3d6a81","target":"record","created_at":"2026-07-05T02:54:13Z","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":"f2dfb3569a09ea241e4996010c02eb35687b773bef64ef83df9fdc2aa07b2566","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2020-02-14T16:47:01Z","title_canon_sha256":"0d51e4ceae6c30fef9e5426b4bddd9d9d0b0837d1895f6c6766bce3195a938f4"},"schema_version":"1.0","source":{"id":"2002.06121","kind":"arxiv","version":1}},"canonical_sha256":"10a89702bb365dc833a73bb7dc5a3180fa78071e93cf7c4c2af9a26ec87fb349","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"10a89702bb365dc833a73bb7dc5a3180fa78071e93cf7c4c2af9a26ec87fb349","first_computed_at":"2026-07-05T02:54:13.445189Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:54:13.445189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MXhjSzmPAGor1taCC/9jmtxZc3TAZ5rzebe2BlF6ieXi+wliQzNO8xdRgRMl6REOeZYbEWxx9NvUmRaJaBFcDw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:54:13.445816Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.06121","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:565a86c179fc2d7ee9bf117bfa20bbb236ad378f02375e51e1577bb82f3d6a81","sha256:8ca8a26b2246e8245076fd7c63ad659e225bc74565d577af12ccc52323611a65"],"state_sha256":"9a56de963c998980740b4fba98b5b0cb949b8c78cd6c9ab7c0661bdc77d87bed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EWx8qHuUUD0Bq785QYqbLjd6zVfo4pa4DzTSZP3rjSnDAqUECw49g99ZeocdnddFMKTkkdyVMMqUtX0L8LUHCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T05:08:31.750199Z","bundle_sha256":"fe37e91d3ca6802a221bd43eafc9e16f50d512b9eace51d2326783f2eca23cf1"}}