{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:AZV7VGQDVFRBHKC7Z4UHHV3LFN","short_pith_number":"pith:AZV7VGQD","canonical_record":{"source":{"id":"1701.06921","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-24T15:21:45Z","cross_cats_sorted":[],"title_canon_sha256":"1a5f3f43ff4bc0475985ccd4e161a0bdcee5106f675150049c7e91e39bc66740","abstract_canon_sha256":"410123eb7c01502f85fde800611eebf060072cc20ec92533a39e943ae06b6f6c"},"schema_version":"1.0"},"canonical_sha256":"066bfa9a03a96213a85fcf2873d76b2b7969e7c6c6526b114a789da270c27b05","source":{"kind":"arxiv","id":"1701.06921","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.06921","created_at":"2026-05-18T00:52:10Z"},{"alias_kind":"arxiv_version","alias_value":"1701.06921v1","created_at":"2026-05-18T00:52:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.06921","created_at":"2026-05-18T00:52:10Z"},{"alias_kind":"pith_short_12","alias_value":"AZV7VGQDVFRB","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"AZV7VGQDVFRBHKC7","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"AZV7VGQD","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:AZV7VGQDVFRBHKC7Z4UHHV3LFN","target":"record","payload":{"canonical_record":{"source":{"id":"1701.06921","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-24T15:21:45Z","cross_cats_sorted":[],"title_canon_sha256":"1a5f3f43ff4bc0475985ccd4e161a0bdcee5106f675150049c7e91e39bc66740","abstract_canon_sha256":"410123eb7c01502f85fde800611eebf060072cc20ec92533a39e943ae06b6f6c"},"schema_version":"1.0"},"canonical_sha256":"066bfa9a03a96213a85fcf2873d76b2b7969e7c6c6526b114a789da270c27b05","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:10.136065Z","signature_b64":"X0qCe4rCqxz7rL1LEf7Arp9UMdEmCuBz0qEwtatbe4YH8sW4ItbuGx22Um5nGpCQWmR0LLXCX7yQKVwKyLIQDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"066bfa9a03a96213a85fcf2873d76b2b7969e7c6c6526b114a789da270c27b05","last_reissued_at":"2026-05-18T00:52:10.135434Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:10.135434Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.06921","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":"2026-05-18T00:52:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EuV3GSAxg1laq9Xb1N0Zo5ud4QhH1gRsh9alQyrO/G9EptKJuBJo9WIO/yZ/lZ7yhoMmVgn2PcBfmm3hH+peBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:45:25.932108Z"},"content_sha256":"e9782c70873d80a4b3b0fe0c0ab549e4f69d8747511f6027aa3334d615ab831f","schema_version":"1.0","event_id":"sha256:e9782c70873d80a4b3b0fe0c0ab549e4f69d8747511f6027aa3334d615ab831f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:AZV7VGQDVFRBHKC7Z4UHHV3LFN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AFLOW$\\pi$: A minimalist approach to high-throughput ab initio calculations including the generation of tight-binding hamiltonians","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Calzolari, A. R. Supka, C. Toher, D. Ceresoli, L. Liyanage, M. Buongiorno Nardelli, M. Fornari, P. D'Amico, P. Gopal, R. Al Rahal Al Orabi, S. Curtarolo, S. Mahatara, T. E. Lyons","submitted_at":"2017-01-24T15:21:45Z","abstract_excerpt":"Tight-binding models provide a conceptually transparent and computationally efficient method to represent the electronic properties of materials. With AFLOW$\\pi$ we introduce a framework for high-throughput first principles calculations that automatically generates tight-binding hamiltonians without any additional input. Several additional features are included in AFLOW$\\pi$ with the intent to simplify the self-consistent calculation of Hubbard U corrections, the calculations of phonon dispersions, elastic properties, complex dielectric constants, and electronic transport coefficients. As exam"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.06921","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":"2026-05-18T00:52:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8vMnoSjkX3CwpXQifma9cc8+S0HRvJeIs020FcjSMb68UFRghB2hfgeugPhwYaXJb3aP7DT0rtSMHOs4sCi/Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:45:25.932478Z"},"content_sha256":"2267183276eec0a2e048fbe5f64f53a28faea9c8eaefa12262db4b1605f4f387","schema_version":"1.0","event_id":"sha256:2267183276eec0a2e048fbe5f64f53a28faea9c8eaefa12262db4b1605f4f387"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AZV7VGQDVFRBHKC7Z4UHHV3LFN/bundle.json","state_url":"https://pith.science/pith/AZV7VGQDVFRBHKC7Z4UHHV3LFN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AZV7VGQDVFRBHKC7Z4UHHV3LFN/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":"2026-06-02T21:45:25Z","links":{"resolver":"https://pith.science/pith/AZV7VGQDVFRBHKC7Z4UHHV3LFN","bundle":"https://pith.science/pith/AZV7VGQDVFRBHKC7Z4UHHV3LFN/bundle.json","state":"https://pith.science/pith/AZV7VGQDVFRBHKC7Z4UHHV3LFN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AZV7VGQDVFRBHKC7Z4UHHV3LFN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:AZV7VGQDVFRBHKC7Z4UHHV3LFN","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":"410123eb7c01502f85fde800611eebf060072cc20ec92533a39e943ae06b6f6c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-24T15:21:45Z","title_canon_sha256":"1a5f3f43ff4bc0475985ccd4e161a0bdcee5106f675150049c7e91e39bc66740"},"schema_version":"1.0","source":{"id":"1701.06921","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.06921","created_at":"2026-05-18T00:52:10Z"},{"alias_kind":"arxiv_version","alias_value":"1701.06921v1","created_at":"2026-05-18T00:52:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.06921","created_at":"2026-05-18T00:52:10Z"},{"alias_kind":"pith_short_12","alias_value":"AZV7VGQDVFRB","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"AZV7VGQDVFRBHKC7","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"AZV7VGQD","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:2267183276eec0a2e048fbe5f64f53a28faea9c8eaefa12262db4b1605f4f387","target":"graph","created_at":"2026-05-18T00:52:10Z","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":"Tight-binding models provide a conceptually transparent and computationally efficient method to represent the electronic properties of materials. With AFLOW$\\pi$ we introduce a framework for high-throughput first principles calculations that automatically generates tight-binding hamiltonians without any additional input. Several additional features are included in AFLOW$\\pi$ with the intent to simplify the self-consistent calculation of Hubbard U corrections, the calculations of phonon dispersions, elastic properties, complex dielectric constants, and electronic transport coefficients. As exam","authors_text":"A. Calzolari, A. R. Supka, C. Toher, D. Ceresoli, L. Liyanage, M. Buongiorno Nardelli, M. Fornari, P. D'Amico, P. Gopal, R. Al Rahal Al Orabi, S. Curtarolo, S. Mahatara, T. E. Lyons","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-24T15:21:45Z","title":"AFLOW$\\pi$: A minimalist approach to high-throughput ab initio calculations including the generation of tight-binding hamiltonians"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.06921","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:e9782c70873d80a4b3b0fe0c0ab549e4f69d8747511f6027aa3334d615ab831f","target":"record","created_at":"2026-05-18T00:52:10Z","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":"410123eb7c01502f85fde800611eebf060072cc20ec92533a39e943ae06b6f6c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-24T15:21:45Z","title_canon_sha256":"1a5f3f43ff4bc0475985ccd4e161a0bdcee5106f675150049c7e91e39bc66740"},"schema_version":"1.0","source":{"id":"1701.06921","kind":"arxiv","version":1}},"canonical_sha256":"066bfa9a03a96213a85fcf2873d76b2b7969e7c6c6526b114a789da270c27b05","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"066bfa9a03a96213a85fcf2873d76b2b7969e7c6c6526b114a789da270c27b05","first_computed_at":"2026-05-18T00:52:10.135434Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:52:10.135434Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X0qCe4rCqxz7rL1LEf7Arp9UMdEmCuBz0qEwtatbe4YH8sW4ItbuGx22Um5nGpCQWmR0LLXCX7yQKVwKyLIQDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:52:10.136065Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.06921","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9782c70873d80a4b3b0fe0c0ab549e4f69d8747511f6027aa3334d615ab831f","sha256:2267183276eec0a2e048fbe5f64f53a28faea9c8eaefa12262db4b1605f4f387"],"state_sha256":"a42c8025da3636e91ea574d0426bed4db09ade592ac31e5010cb6b6c59a053c1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6wUFTYUWy3S6ZwNmWrpBBSirYeq0wlpn4e6+B44IhyiviQd4/C+x0vPXSmLTzSqVUU5bK1wIvCtH7Y7ldgJGCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T21:45:25.934742Z","bundle_sha256":"f372f9af201197a931e2cd4a942ea61b5421cf0f1f8cf7e2a6221b50cb64412c"}}