{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:F47NUGTV53N6Q64J2VNLTRL2YH","short_pith_number":"pith:F47NUGTV","canonical_record":{"source":{"id":"1206.6683","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2012-06-28T13:38:06Z","cross_cats_sorted":[],"title_canon_sha256":"d06781ebbd8703c769ea1fea63434247822c655186ebd3aa2951d65f0b6ac569","abstract_canon_sha256":"89bedf3b8039166bccf8111bd3c70a636a298cdb8df49dfe2a18e7e62db5b21c"},"schema_version":"1.0"},"canonical_sha256":"2f3eda1a75eedbe87b89d55ab9c57ac1e69a2f7f83b81df3a3587eb46e3cd113","source":{"kind":"arxiv","id":"1206.6683","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.6683","created_at":"2026-05-18T03:52:25Z"},{"alias_kind":"arxiv_version","alias_value":"1206.6683v1","created_at":"2026-05-18T03:52:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.6683","created_at":"2026-05-18T03:52:25Z"},{"alias_kind":"pith_short_12","alias_value":"F47NUGTV53N6","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"F47NUGTV53N6Q64J","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"F47NUGTV","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:F47NUGTV53N6Q64J2VNLTRL2YH","target":"record","payload":{"canonical_record":{"source":{"id":"1206.6683","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2012-06-28T13:38:06Z","cross_cats_sorted":[],"title_canon_sha256":"d06781ebbd8703c769ea1fea63434247822c655186ebd3aa2951d65f0b6ac569","abstract_canon_sha256":"89bedf3b8039166bccf8111bd3c70a636a298cdb8df49dfe2a18e7e62db5b21c"},"schema_version":"1.0"},"canonical_sha256":"2f3eda1a75eedbe87b89d55ab9c57ac1e69a2f7f83b81df3a3587eb46e3cd113","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:52:25.250715Z","signature_b64":"D5E8Hk5hV0Pdnn7FxLFjuV8yz+HUvT4TC3Qb2WnuN+Gv2xlHFCQSaw9KE7AzLJ9zmK6mDLUsO15vTgrYZ2T5DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f3eda1a75eedbe87b89d55ab9c57ac1e69a2f7f83b81df3a3587eb46e3cd113","last_reissued_at":"2026-05-18T03:52:25.249954Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:52:25.249954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.6683","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":"2026-05-18T03:52:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pn+aMp3uzr6axT5vV6XxwBGcqL0EJJKDZGVnOMP7lEFj/umBAHKc0X52BNqGRqESol9lsqotb7tzNjKH5LO9Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T20:36:06.351354Z"},"content_sha256":"ae11f1162c453302f9d7572ae623faca3557c841e9805b53a56108f694bf059c","schema_version":"1.0","event_id":"sha256:ae11f1162c453302f9d7572ae623faca3557c841e9805b53a56108f694bf059c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:F47NUGTV53N6Q64J2VNLTRL2YH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-spin low-spin transition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"A. X. Trautwein, H. Gr\\\"unsteudel, H. Paulsen, H. Toftlund, H. Winkler","submitted_at":"2012-06-28T13:38:06Z","abstract_excerpt":"Temperature dependent nuclear inelastic-scattering (NIS) of synchrotron radiation was applied to investigate both spin states of the spin-crossover complex [Fe(tpa)(NCS)(2)] (tpa = tris(2-pyridylmethyl)amine). A remarkable increase of the iron-ligand bond stretching upon spin crossover has unambiguously been identified by comparing the measured NIS spectra with theoretical simulations based on density-functional calculations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.6683","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":"2026-05-18T03:52:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vcc0tBY9R4F16Ah0jOkWeEgnFEocogLtz99gjKvH/dI4CARuDdlwn5sdVAZWRhbyclAk04qZuLHk76ZDOARdCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T20:36:06.351693Z"},"content_sha256":"5ffa34f936e76e3d14739a06ca84d7523f27e94bdf6396a2e80f753d69c428b9","schema_version":"1.0","event_id":"sha256:5ffa34f936e76e3d14739a06ca84d7523f27e94bdf6396a2e80f753d69c428b9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F47NUGTV53N6Q64J2VNLTRL2YH/bundle.json","state_url":"https://pith.science/pith/F47NUGTV53N6Q64J2VNLTRL2YH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F47NUGTV53N6Q64J2VNLTRL2YH/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":"2026-07-03T20:36:06Z","links":{"resolver":"https://pith.science/pith/F47NUGTV53N6Q64J2VNLTRL2YH","bundle":"https://pith.science/pith/F47NUGTV53N6Q64J2VNLTRL2YH/bundle.json","state":"https://pith.science/pith/F47NUGTV53N6Q64J2VNLTRL2YH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F47NUGTV53N6Q64J2VNLTRL2YH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:F47NUGTV53N6Q64J2VNLTRL2YH","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":"89bedf3b8039166bccf8111bd3c70a636a298cdb8df49dfe2a18e7e62db5b21c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2012-06-28T13:38:06Z","title_canon_sha256":"d06781ebbd8703c769ea1fea63434247822c655186ebd3aa2951d65f0b6ac569"},"schema_version":"1.0","source":{"id":"1206.6683","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.6683","created_at":"2026-05-18T03:52:25Z"},{"alias_kind":"arxiv_version","alias_value":"1206.6683v1","created_at":"2026-05-18T03:52:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.6683","created_at":"2026-05-18T03:52:25Z"},{"alias_kind":"pith_short_12","alias_value":"F47NUGTV53N6","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"F47NUGTV53N6Q64J","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"F47NUGTV","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:5ffa34f936e76e3d14739a06ca84d7523f27e94bdf6396a2e80f753d69c428b9","target":"graph","created_at":"2026-05-18T03:52:25Z","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":"Temperature dependent nuclear inelastic-scattering (NIS) of synchrotron radiation was applied to investigate both spin states of the spin-crossover complex [Fe(tpa)(NCS)(2)] (tpa = tris(2-pyridylmethyl)amine). A remarkable increase of the iron-ligand bond stretching upon spin crossover has unambiguously been identified by comparing the measured NIS spectra with theoretical simulations based on density-functional calculations.","authors_text":"A. X. Trautwein, H. Gr\\\"unsteudel, H. Paulsen, H. Toftlund, H. Winkler","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2012-06-28T13:38:06Z","title":"High-spin low-spin transition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.6683","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:ae11f1162c453302f9d7572ae623faca3557c841e9805b53a56108f694bf059c","target":"record","created_at":"2026-05-18T03:52:25Z","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":"89bedf3b8039166bccf8111bd3c70a636a298cdb8df49dfe2a18e7e62db5b21c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2012-06-28T13:38:06Z","title_canon_sha256":"d06781ebbd8703c769ea1fea63434247822c655186ebd3aa2951d65f0b6ac569"},"schema_version":"1.0","source":{"id":"1206.6683","kind":"arxiv","version":1}},"canonical_sha256":"2f3eda1a75eedbe87b89d55ab9c57ac1e69a2f7f83b81df3a3587eb46e3cd113","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2f3eda1a75eedbe87b89d55ab9c57ac1e69a2f7f83b81df3a3587eb46e3cd113","first_computed_at":"2026-05-18T03:52:25.249954Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:52:25.249954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D5E8Hk5hV0Pdnn7FxLFjuV8yz+HUvT4TC3Qb2WnuN+Gv2xlHFCQSaw9KE7AzLJ9zmK6mDLUsO15vTgrYZ2T5DA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:52:25.250715Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.6683","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae11f1162c453302f9d7572ae623faca3557c841e9805b53a56108f694bf059c","sha256:5ffa34f936e76e3d14739a06ca84d7523f27e94bdf6396a2e80f753d69c428b9"],"state_sha256":"b8854053028584a3fad3960ba25a2f71fb15a799eb3b7bb8322368a38d448f23"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BPd76GX0BCak3oQQww/kHBzEG6AOwxyrLr79+U2Rxw6LixVJ4WsV2ZnItlzgRq0nN+Q57fFgRCD26IQzWKooDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T20:36:06.353500Z","bundle_sha256":"b7aadb0a4f6603a7d2188d8461320dcfea8084cbe51e7d7e27dea06a79b8aba0"}}