{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:C6EW24D4U7MIWRBRYM74PV4ZWL","short_pith_number":"pith:C6EW24D4","canonical_record":{"source":{"id":"1504.00243","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-01T14:17:51Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"a65e93d1f642edb1b350d97c6dba4cfa30ca068d15429c7ed593a167ae3129e2","abstract_canon_sha256":"3e10bfa17e32f77650a0a345921c074af74f7085f70f5b268f75e038d51c6e45"},"schema_version":"1.0"},"canonical_sha256":"17896d707ca7d88b4431c33fc7d799b2ce0946044eae1ad77c9fea6f67bea152","source":{"kind":"arxiv","id":"1504.00243","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.00243","created_at":"2026-05-18T02:19:44Z"},{"alias_kind":"arxiv_version","alias_value":"1504.00243v1","created_at":"2026-05-18T02:19:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.00243","created_at":"2026-05-18T02:19:44Z"},{"alias_kind":"pith_short_12","alias_value":"C6EW24D4U7MI","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"C6EW24D4U7MIWRBR","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"C6EW24D4","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:C6EW24D4U7MIWRBRYM74PV4ZWL","target":"record","payload":{"canonical_record":{"source":{"id":"1504.00243","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-01T14:17:51Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"a65e93d1f642edb1b350d97c6dba4cfa30ca068d15429c7ed593a167ae3129e2","abstract_canon_sha256":"3e10bfa17e32f77650a0a345921c074af74f7085f70f5b268f75e038d51c6e45"},"schema_version":"1.0"},"canonical_sha256":"17896d707ca7d88b4431c33fc7d799b2ce0946044eae1ad77c9fea6f67bea152","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:19:44.215447Z","signature_b64":"gdPLhhg6KKldxpMQzu/r0snStRY+jZBPk7y0iJ/keNY79miVtryAk9AwQcnPJp3HtIj4mZFYwMexd02c0nPgBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"17896d707ca7d88b4431c33fc7d799b2ce0946044eae1ad77c9fea6f67bea152","last_reissued_at":"2026-05-18T02:19:44.214957Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:19:44.214957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.00243","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":"2026-05-18T02:19:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6K01EWABeEQnKTQt7qiDNEcjOW4pSCE9zv1k1pRQ1MCeg0z0DGMWN7+tRwwOrbIQ59RWsLf8G3bUXeHsWX/VAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T02:41:42.675446Z"},"content_sha256":"c25dad8f61d00c052224288aaa27321af6d6ce978f698d9a275a28aac9cf3afb","schema_version":"1.0","event_id":"sha256:c25dad8f61d00c052224288aaa27321af6d6ce978f698d9a275a28aac9cf3afb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:C6EW24D4U7MIWRBRYM74PV4ZWL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Implementation and benchmark of a long-range corrected functional in the density functional based tight-binding method","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Balint Aradi, Thomas A. Niehaus, Vitalij Lutsker","submitted_at":"2015-04-01T14:17:51Z","abstract_excerpt":"Bridging the gap between first principles methods and empirical schemes, the density functional based tight-binding method (DFTB) has become a versatile tool in predictive atomistic simulations over the past years. One of the major restrictions of this method is the limitation to local or gradient corrected exchange-correlation functionals. This excludes the important class of hybrid or long-range corrected functionals, which are advantageous in thermochemistry, as well as in the computation of vibrational, photoelectron and optical spectra. The present work provides a detailed account of the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.00243","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":"2026-05-18T02:19:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ht9Zzgn+adv0VKEoaXw9J7FnH77VG+9dOk2FH4DKwqn4oce/i/3LTPeA6BOWNpQssrNI0IGYyDGr4SmH0klMCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T02:41:42.675804Z"},"content_sha256":"bfd1d910309b3640f51863795ec7f46835dfcfecb5212fe1936dcf7a10ce0a49","schema_version":"1.0","event_id":"sha256:bfd1d910309b3640f51863795ec7f46835dfcfecb5212fe1936dcf7a10ce0a49"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C6EW24D4U7MIWRBRYM74PV4ZWL/bundle.json","state_url":"https://pith.science/pith/C6EW24D4U7MIWRBRYM74PV4ZWL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C6EW24D4U7MIWRBRYM74PV4ZWL/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":"2026-06-03T02:41:42Z","links":{"resolver":"https://pith.science/pith/C6EW24D4U7MIWRBRYM74PV4ZWL","bundle":"https://pith.science/pith/C6EW24D4U7MIWRBRYM74PV4ZWL/bundle.json","state":"https://pith.science/pith/C6EW24D4U7MIWRBRYM74PV4ZWL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C6EW24D4U7MIWRBRYM74PV4ZWL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:C6EW24D4U7MIWRBRYM74PV4ZWL","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":"3e10bfa17e32f77650a0a345921c074af74f7085f70f5b268f75e038d51c6e45","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-01T14:17:51Z","title_canon_sha256":"a65e93d1f642edb1b350d97c6dba4cfa30ca068d15429c7ed593a167ae3129e2"},"schema_version":"1.0","source":{"id":"1504.00243","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.00243","created_at":"2026-05-18T02:19:44Z"},{"alias_kind":"arxiv_version","alias_value":"1504.00243v1","created_at":"2026-05-18T02:19:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.00243","created_at":"2026-05-18T02:19:44Z"},{"alias_kind":"pith_short_12","alias_value":"C6EW24D4U7MI","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"C6EW24D4U7MIWRBR","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"C6EW24D4","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:bfd1d910309b3640f51863795ec7f46835dfcfecb5212fe1936dcf7a10ce0a49","target":"graph","created_at":"2026-05-18T02:19:44Z","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":"Bridging the gap between first principles methods and empirical schemes, the density functional based tight-binding method (DFTB) has become a versatile tool in predictive atomistic simulations over the past years. One of the major restrictions of this method is the limitation to local or gradient corrected exchange-correlation functionals. This excludes the important class of hybrid or long-range corrected functionals, which are advantageous in thermochemistry, as well as in the computation of vibrational, photoelectron and optical spectra. The present work provides a detailed account of the ","authors_text":"Balint Aradi, Thomas A. Niehaus, Vitalij Lutsker","cross_cats":["physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-01T14:17:51Z","title":"Implementation and benchmark of a long-range corrected functional in the density functional based tight-binding method"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.00243","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:c25dad8f61d00c052224288aaa27321af6d6ce978f698d9a275a28aac9cf3afb","target":"record","created_at":"2026-05-18T02:19:44Z","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":"3e10bfa17e32f77650a0a345921c074af74f7085f70f5b268f75e038d51c6e45","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-01T14:17:51Z","title_canon_sha256":"a65e93d1f642edb1b350d97c6dba4cfa30ca068d15429c7ed593a167ae3129e2"},"schema_version":"1.0","source":{"id":"1504.00243","kind":"arxiv","version":1}},"canonical_sha256":"17896d707ca7d88b4431c33fc7d799b2ce0946044eae1ad77c9fea6f67bea152","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"17896d707ca7d88b4431c33fc7d799b2ce0946044eae1ad77c9fea6f67bea152","first_computed_at":"2026-05-18T02:19:44.214957Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:19:44.214957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gdPLhhg6KKldxpMQzu/r0snStRY+jZBPk7y0iJ/keNY79miVtryAk9AwQcnPJp3HtIj4mZFYwMexd02c0nPgBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:19:44.215447Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.00243","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c25dad8f61d00c052224288aaa27321af6d6ce978f698d9a275a28aac9cf3afb","sha256:bfd1d910309b3640f51863795ec7f46835dfcfecb5212fe1936dcf7a10ce0a49"],"state_sha256":"bc522c414c3dfa9ce8fdb7282ae9fe41a6293afe0d3e3fd91c510650ef32a5dc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KribCDTsQmTX5CLUuP8vg9+tDFu3d5NtIJ1BnG0Y4c3QJlfmME80uiF8IswBhEI3ldB2uNb/cbx35q+JoeKEBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T02:41:42.677829Z","bundle_sha256":"d5a145f77248df946a0720fcdf721865b3b7a39dfdf79bd22cfc89e1a538ab1b"}}