{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:AMDKF46FP7V4WP36D4GY2VBT7C","short_pith_number":"pith:AMDKF46F","canonical_record":{"source":{"id":"1205.3146","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-05-14T19:33:04Z","cross_cats_sorted":[],"title_canon_sha256":"3c8eef57a2b3904ffa73f56ac24dd1f5e5f82aa1519e5fde12b469d4b502840f","abstract_canon_sha256":"228954fee394f93fcd4869cfa8811570fe107c31a4642834a33775c02c159d43"},"schema_version":"1.0"},"canonical_sha256":"0306a2f3c57febcb3f7e1f0d8d5433f8b1416fb1e731b62e0d455b419ad2a968","source":{"kind":"arxiv","id":"1205.3146","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.3146","created_at":"2026-05-18T03:55:37Z"},{"alias_kind":"arxiv_version","alias_value":"1205.3146v1","created_at":"2026-05-18T03:55:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.3146","created_at":"2026-05-18T03:55:37Z"},{"alias_kind":"pith_short_12","alias_value":"AMDKF46FP7V4","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"AMDKF46FP7V4WP36","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"AMDKF46F","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:AMDKF46FP7V4WP36D4GY2VBT7C","target":"record","payload":{"canonical_record":{"source":{"id":"1205.3146","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-05-14T19:33:04Z","cross_cats_sorted":[],"title_canon_sha256":"3c8eef57a2b3904ffa73f56ac24dd1f5e5f82aa1519e5fde12b469d4b502840f","abstract_canon_sha256":"228954fee394f93fcd4869cfa8811570fe107c31a4642834a33775c02c159d43"},"schema_version":"1.0"},"canonical_sha256":"0306a2f3c57febcb3f7e1f0d8d5433f8b1416fb1e731b62e0d455b419ad2a968","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:55:37.898967Z","signature_b64":"7qHgc5VHKAiM/DSa46iLLQzSRb6eZXCYVDsHmvGSAdIH4TisSPb6vLX5QX44JYOGw/4kWfBQNy4G6TukZFojBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0306a2f3c57febcb3f7e1f0d8d5433f8b1416fb1e731b62e0d455b419ad2a968","last_reissued_at":"2026-05-18T03:55:37.898331Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:55:37.898331Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.3146","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":"2026-05-18T03:55:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bylyZa8A7t+IhcgjnCgD8OqfnSO2Y8GQfeLyML5zqvW4Mrj3Y/dn24rkNWN1eSIGFJUIQk/JBSI0PIwij3OrAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T09:24:02.068309Z"},"content_sha256":"e78fdb0f6d9ee340c14283465a74693e50022e96cc5228ead1847b182497d139","schema_version":"1.0","event_id":"sha256:e78fdb0f6d9ee340c14283465a74693e50022e96cc5228ead1847b182497d139"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:AMDKF46FP7V4WP36D4GY2VBT7C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Isotope shifts and hyperfine structure of the Fe I 373.7 nm resonance line","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"N. Huet, S. Krins, T. Bastin","submitted_at":"2012-05-14T19:33:04Z","abstract_excerpt":"We report measurements of the isotope shifts of the 3d6 4s2 a 5D3 - 3d6 4s4p z 5F4o FeI resonance line at 373.7 nm between all four stable isotopes 54Fe, 56Fe, 57Fe and 58Fe, as well as the complete hyperfine structure of that line for 57Fe, the only stable isotope having a non-zero nuclear spin. The field and specific mass shift coefficients of the transition have been derived from the data, as well as the experimental value for the hyperfine structure magnetic dipole coupling constant A of the excited state of the transition in 57Fe : A(3d6 4s4p z 5F4o) = 68.21(69) MHz. The measurements were"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.3146","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":"2026-05-18T03:55:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GXK/W2LIio8jQkwCfM0zEs3s5bQun6IPZfSsBK2Gntbv8k/Vyx3SQ925G9hmJgIX5z050k40e8sXyOMkHNJmDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T09:24:02.068669Z"},"content_sha256":"07fa46fd8c48cbceee0640a433b3223841e426b96aac58ae8d2dd9fb37af96ad","schema_version":"1.0","event_id":"sha256:07fa46fd8c48cbceee0640a433b3223841e426b96aac58ae8d2dd9fb37af96ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AMDKF46FP7V4WP36D4GY2VBT7C/bundle.json","state_url":"https://pith.science/pith/AMDKF46FP7V4WP36D4GY2VBT7C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AMDKF46FP7V4WP36D4GY2VBT7C/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":"2026-06-01T09:24:02Z","links":{"resolver":"https://pith.science/pith/AMDKF46FP7V4WP36D4GY2VBT7C","bundle":"https://pith.science/pith/AMDKF46FP7V4WP36D4GY2VBT7C/bundle.json","state":"https://pith.science/pith/AMDKF46FP7V4WP36D4GY2VBT7C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AMDKF46FP7V4WP36D4GY2VBT7C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:AMDKF46FP7V4WP36D4GY2VBT7C","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":"228954fee394f93fcd4869cfa8811570fe107c31a4642834a33775c02c159d43","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-05-14T19:33:04Z","title_canon_sha256":"3c8eef57a2b3904ffa73f56ac24dd1f5e5f82aa1519e5fde12b469d4b502840f"},"schema_version":"1.0","source":{"id":"1205.3146","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.3146","created_at":"2026-05-18T03:55:37Z"},{"alias_kind":"arxiv_version","alias_value":"1205.3146v1","created_at":"2026-05-18T03:55:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.3146","created_at":"2026-05-18T03:55:37Z"},{"alias_kind":"pith_short_12","alias_value":"AMDKF46FP7V4","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"AMDKF46FP7V4WP36","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"AMDKF46F","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:07fa46fd8c48cbceee0640a433b3223841e426b96aac58ae8d2dd9fb37af96ad","target":"graph","created_at":"2026-05-18T03:55:37Z","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":"We report measurements of the isotope shifts of the 3d6 4s2 a 5D3 - 3d6 4s4p z 5F4o FeI resonance line at 373.7 nm between all four stable isotopes 54Fe, 56Fe, 57Fe and 58Fe, as well as the complete hyperfine structure of that line for 57Fe, the only stable isotope having a non-zero nuclear spin. The field and specific mass shift coefficients of the transition have been derived from the data, as well as the experimental value for the hyperfine structure magnetic dipole coupling constant A of the excited state of the transition in 57Fe : A(3d6 4s4p z 5F4o) = 68.21(69) MHz. The measurements were","authors_text":"N. Huet, S. Krins, T. Bastin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-05-14T19:33:04Z","title":"Isotope shifts and hyperfine structure of the Fe I 373.7 nm resonance line"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.3146","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:e78fdb0f6d9ee340c14283465a74693e50022e96cc5228ead1847b182497d139","target":"record","created_at":"2026-05-18T03:55:37Z","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":"228954fee394f93fcd4869cfa8811570fe107c31a4642834a33775c02c159d43","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-05-14T19:33:04Z","title_canon_sha256":"3c8eef57a2b3904ffa73f56ac24dd1f5e5f82aa1519e5fde12b469d4b502840f"},"schema_version":"1.0","source":{"id":"1205.3146","kind":"arxiv","version":1}},"canonical_sha256":"0306a2f3c57febcb3f7e1f0d8d5433f8b1416fb1e731b62e0d455b419ad2a968","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0306a2f3c57febcb3f7e1f0d8d5433f8b1416fb1e731b62e0d455b419ad2a968","first_computed_at":"2026-05-18T03:55:37.898331Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:55:37.898331Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7qHgc5VHKAiM/DSa46iLLQzSRb6eZXCYVDsHmvGSAdIH4TisSPb6vLX5QX44JYOGw/4kWfBQNy4G6TukZFojBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:55:37.898967Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.3146","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e78fdb0f6d9ee340c14283465a74693e50022e96cc5228ead1847b182497d139","sha256:07fa46fd8c48cbceee0640a433b3223841e426b96aac58ae8d2dd9fb37af96ad"],"state_sha256":"360e64a394057bcefe972505271dea6b8aa63123db70c58b908acf6d7823f84e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eJF1o9fjbjgrptUjk7o6hfAvyDFXcsYk1HxDgMCDmCVn5mSTE6rVZOfzfpCSX1JtQdCfK2c1LqktwxMF3R4rCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T09:24:02.070652Z","bundle_sha256":"f786ce43fab131cb833a3961808a4e9ba45b83338ceee907ef3d4f64b18f8a70"}}