{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:64LMIOPFFJWDU2GFITZI3Z6IBE","short_pith_number":"pith:64LMIOPF","canonical_record":{"source":{"id":"1211.5967","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-11-26T14:19:17Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"a5f402ecb4ba9c3acd4ca45d8f350fb70304c20cd79c194cf2f40277f8f66390","abstract_canon_sha256":"1d38f759c1f31b3e51691c505161936d57d2814e6ba784450b5a6ae36529acd4"},"schema_version":"1.0"},"canonical_sha256":"f716c439e52a6c3a68c544f28de7c8091fd59694217b73136e1e4c1edf5c74f1","source":{"kind":"arxiv","id":"1211.5967","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.5967","created_at":"2026-05-18T01:52:55Z"},{"alias_kind":"arxiv_version","alias_value":"1211.5967v3","created_at":"2026-05-18T01:52:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.5967","created_at":"2026-05-18T01:52:55Z"},{"alias_kind":"pith_short_12","alias_value":"64LMIOPFFJWD","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"64LMIOPFFJWDU2GF","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"64LMIOPF","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:64LMIOPFFJWDU2GFITZI3Z6IBE","target":"record","payload":{"canonical_record":{"source":{"id":"1211.5967","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-11-26T14:19:17Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"a5f402ecb4ba9c3acd4ca45d8f350fb70304c20cd79c194cf2f40277f8f66390","abstract_canon_sha256":"1d38f759c1f31b3e51691c505161936d57d2814e6ba784450b5a6ae36529acd4"},"schema_version":"1.0"},"canonical_sha256":"f716c439e52a6c3a68c544f28de7c8091fd59694217b73136e1e4c1edf5c74f1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:55.061696Z","signature_b64":"sc386ZGR55moEhRXPeSsBkY9YQ4k9mz1hphWXzfXVliLZcQTKulyLNz79h0ntrBektMNE5ZmytXTbNCwZkhbDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f716c439e52a6c3a68c544f28de7c8091fd59694217b73136e1e4c1edf5c74f1","last_reissued_at":"2026-05-18T01:52:55.060920Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:55.060920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.5967","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:52:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TR3PMFgwq0IuwxZwM0MAURVKqp8QPHBOdcLUxT3fLgKeOUQkRG6vG7h4h8lAzK4QuE4Klig2D132UwMJclrtCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:14:23.402345Z"},"content_sha256":"57c01e552053b9de64fb2cc7fa96882f0709afd27814b5d8f415c62528fe2185","schema_version":"1.0","event_id":"sha256:57c01e552053b9de64fb2cc7fa96882f0709afd27814b5d8f415c62528fe2185"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:64LMIOPFFJWDU2GFITZI3Z6IBE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Local Structure and Hyperfine Interactions of 57Fe in NaFeAs Studied by Mossbauer Spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Alexander Boltalin, Alexander Vasiliev, Alexey Sobolev, Bernd B\\\"uchner, Igor Morozov, Igor Presniakov, Maria Roslova, Olga Volkova, Sabine Wurmehl, Vladimir Son","submitted_at":"2012-11-26T14:19:17Z","abstract_excerpt":"Detailed 57Fe Mossbauer spectroscopy measurements on superconducting NaFeAs powder samples have been performed in the temperature range 13 K < T < 300 K. The 57Fe spectra recorded in the paramagnetic range (T > TN ~ 46 K) were discussed supposing that most of the Fe2+ ions are located in distorted (FeAs4) tetrahedral of NaFeAs phase, while additional minor (< 10%) component of the spectra corresponds to impurity or intergrowth NaFe2As2 phase with a nominal composition near \"NaFe2As2\". Our results reveal that the structural transition (TS ~ 55K) has a weak effect on the electronic structure of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.5967","kind":"arxiv","version":3},"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":"2026-05-18T01:52:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MYKEAEmNTQbV65TINU+W+uyJLrf709NUFjcd2WpkE2ki9cVW2FXyWzV3q4PwSX2+khHQFU9JIPErx5lw8FOFAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:14:23.403014Z"},"content_sha256":"d6b804869fed979995d19e368f82f7d957f68059e54ee64b1a4534f911df9667","schema_version":"1.0","event_id":"sha256:d6b804869fed979995d19e368f82f7d957f68059e54ee64b1a4534f911df9667"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/64LMIOPFFJWDU2GFITZI3Z6IBE/bundle.json","state_url":"https://pith.science/pith/64LMIOPFFJWDU2GFITZI3Z6IBE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/64LMIOPFFJWDU2GFITZI3Z6IBE/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":"2026-05-25T22:14:23Z","links":{"resolver":"https://pith.science/pith/64LMIOPFFJWDU2GFITZI3Z6IBE","bundle":"https://pith.science/pith/64LMIOPFFJWDU2GFITZI3Z6IBE/bundle.json","state":"https://pith.science/pith/64LMIOPFFJWDU2GFITZI3Z6IBE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/64LMIOPFFJWDU2GFITZI3Z6IBE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:64LMIOPFFJWDU2GFITZI3Z6IBE","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":"1d38f759c1f31b3e51691c505161936d57d2814e6ba784450b5a6ae36529acd4","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-11-26T14:19:17Z","title_canon_sha256":"a5f402ecb4ba9c3acd4ca45d8f350fb70304c20cd79c194cf2f40277f8f66390"},"schema_version":"1.0","source":{"id":"1211.5967","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.5967","created_at":"2026-05-18T01:52:55Z"},{"alias_kind":"arxiv_version","alias_value":"1211.5967v3","created_at":"2026-05-18T01:52:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.5967","created_at":"2026-05-18T01:52:55Z"},{"alias_kind":"pith_short_12","alias_value":"64LMIOPFFJWD","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"64LMIOPFFJWDU2GF","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"64LMIOPF","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:d6b804869fed979995d19e368f82f7d957f68059e54ee64b1a4534f911df9667","target":"graph","created_at":"2026-05-18T01:52:55Z","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":"Detailed 57Fe Mossbauer spectroscopy measurements on superconducting NaFeAs powder samples have been performed in the temperature range 13 K < T < 300 K. The 57Fe spectra recorded in the paramagnetic range (T > TN ~ 46 K) were discussed supposing that most of the Fe2+ ions are located in distorted (FeAs4) tetrahedral of NaFeAs phase, while additional minor (< 10%) component of the spectra corresponds to impurity or intergrowth NaFe2As2 phase with a nominal composition near \"NaFe2As2\". Our results reveal that the structural transition (TS ~ 55K) has a weak effect on the electronic structure of ","authors_text":"Alexander Boltalin, Alexander Vasiliev, Alexey Sobolev, Bernd B\\\"uchner, Igor Morozov, Igor Presniakov, Maria Roslova, Olga Volkova, Sabine Wurmehl, Vladimir Son","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-11-26T14:19:17Z","title":"Local Structure and Hyperfine Interactions of 57Fe in NaFeAs Studied by Mossbauer Spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.5967","kind":"arxiv","version":3},"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":"sha256:57c01e552053b9de64fb2cc7fa96882f0709afd27814b5d8f415c62528fe2185","target":"record","created_at":"2026-05-18T01:52:55Z","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":"1d38f759c1f31b3e51691c505161936d57d2814e6ba784450b5a6ae36529acd4","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-11-26T14:19:17Z","title_canon_sha256":"a5f402ecb4ba9c3acd4ca45d8f350fb70304c20cd79c194cf2f40277f8f66390"},"schema_version":"1.0","source":{"id":"1211.5967","kind":"arxiv","version":3}},"canonical_sha256":"f716c439e52a6c3a68c544f28de7c8091fd59694217b73136e1e4c1edf5c74f1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f716c439e52a6c3a68c544f28de7c8091fd59694217b73136e1e4c1edf5c74f1","first_computed_at":"2026-05-18T01:52:55.060920Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:55.060920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sc386ZGR55moEhRXPeSsBkY9YQ4k9mz1hphWXzfXVliLZcQTKulyLNz79h0ntrBektMNE5ZmytXTbNCwZkhbDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:55.061696Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.5967","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57c01e552053b9de64fb2cc7fa96882f0709afd27814b5d8f415c62528fe2185","sha256:d6b804869fed979995d19e368f82f7d957f68059e54ee64b1a4534f911df9667"],"state_sha256":"2b3fe232a1a29fda07a4dc4fd41ec668dd377a5efadcc65a96fcdedf571bd013"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gABfEYTVqkv6H5rUX5PHwT24wVv1dPyYAVO3VCBDe1isYXu7fCRUgE7BXB0h21H+1jdW9g+CAp6UjrqbIvZsAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:14:23.406484Z","bundle_sha256":"819fdce4d1dc27534e2a346a55cb5a27b249b842c4b003d676e0b61ab24b20e8"}}