{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:BKN23Y7MQ7GMSMFPUVPRVLB6ZY","short_pith_number":"pith:BKN23Y7M","canonical_record":{"source":{"id":"1507.01498","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-07-06T15:32:17Z","cross_cats_sorted":[],"title_canon_sha256":"62551cbd9e5d4a68945787b0c259828199050c7e72d2c14c58c0331334585944","abstract_canon_sha256":"3b8a79306babd7d13396b5050517b2dc83faa8943e21b4334d37c9308e32b331"},"schema_version":"1.0"},"canonical_sha256":"0a9bade3ec87ccc930afa55f1aac3ece059f94a7f9b8adc46f9af1019aa53da0","source":{"kind":"arxiv","id":"1507.01498","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.01498","created_at":"2026-05-18T01:27:39Z"},{"alias_kind":"arxiv_version","alias_value":"1507.01498v1","created_at":"2026-05-18T01:27:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.01498","created_at":"2026-05-18T01:27:39Z"},{"alias_kind":"pith_short_12","alias_value":"BKN23Y7MQ7GM","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"BKN23Y7MQ7GMSMFP","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"BKN23Y7M","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:BKN23Y7MQ7GMSMFPUVPRVLB6ZY","target":"record","payload":{"canonical_record":{"source":{"id":"1507.01498","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-07-06T15:32:17Z","cross_cats_sorted":[],"title_canon_sha256":"62551cbd9e5d4a68945787b0c259828199050c7e72d2c14c58c0331334585944","abstract_canon_sha256":"3b8a79306babd7d13396b5050517b2dc83faa8943e21b4334d37c9308e32b331"},"schema_version":"1.0"},"canonical_sha256":"0a9bade3ec87ccc930afa55f1aac3ece059f94a7f9b8adc46f9af1019aa53da0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:39.292177Z","signature_b64":"Ql/89hSH9r5RyPeYTCFA/ZnKDl97TqPR0Y7xMeV6X4b3nC7r6XEuofUXuzRASI9G2P0n4lZttMrD8k0Iwj2pAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0a9bade3ec87ccc930afa55f1aac3ece059f94a7f9b8adc46f9af1019aa53da0","last_reissued_at":"2026-05-18T01:27:39.291758Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:39.291758Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.01498","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":"2026-05-18T01:27:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"II+e7DeTny5yZZRxOLLnIZADCN5OiLpkqVSQztJnz/h7ufPNFE7C6PmzGRu7jU2C7BFFL4/l+AJKypc95F8SAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T22:14:12.664451Z"},"content_sha256":"5aa28c94ef50c1de3dcd9c8a121b27fab1ac8774afa1bc25c56071a30e4487c4","schema_version":"1.0","event_id":"sha256:5aa28c94ef50c1de3dcd9c8a121b27fab1ac8774afa1bc25c56071a30e4487c4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:BKN23Y7MQ7GMSMFPUVPRVLB6ZY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Isotope shifts and hyperfine structure of the laser cooling Fe I 358-nm line","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"M. Pettens, N. Huet, T. Bastin","submitted_at":"2015-07-06T15:32:17Z","abstract_excerpt":"We report on the measurement of the isotope shifts of the $3d^74s \\,\\, a \\, {}^5\\!F_5 - 3d^74p \\,\\, z \\, {}^5\\!G^o_6$ Fe~I line at 358~nm between all four stable isotopes ${}^{54}$Fe, ${}^{56}$Fe, ${}^{57}$Fe and ${}^{58}$Fe, as well as the hyperfine structure of that line for ${}^{57}$Fe, the only stable isotope having a nonzero nuclear spin. This line is of primary importance for laser cooling applications. In addition, an experimental value of the field and specific mass shift coefficients of the transition is reported as well as the hyperfine structure magnetic dipole coupling constant $A$"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.01498","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":"2026-05-18T01:27:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hWfMue/ho2A/RWl0jImIvzhNwP6GM6gnexQ+4CpQWygR38U+Lzgjmk21WSCDmxauXsvNoTTT42jSxjVgCK+GBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T22:14:12.664785Z"},"content_sha256":"f2439b54b44f5532e4a5c28fdb98be1b1e9785c1c64ef2a61db728192fb2d566","schema_version":"1.0","event_id":"sha256:f2439b54b44f5532e4a5c28fdb98be1b1e9785c1c64ef2a61db728192fb2d566"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BKN23Y7MQ7GMSMFPUVPRVLB6ZY/bundle.json","state_url":"https://pith.science/pith/BKN23Y7MQ7GMSMFPUVPRVLB6ZY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BKN23Y7MQ7GMSMFPUVPRVLB6ZY/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":"2026-06-28T22:14:12Z","links":{"resolver":"https://pith.science/pith/BKN23Y7MQ7GMSMFPUVPRVLB6ZY","bundle":"https://pith.science/pith/BKN23Y7MQ7GMSMFPUVPRVLB6ZY/bundle.json","state":"https://pith.science/pith/BKN23Y7MQ7GMSMFPUVPRVLB6ZY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BKN23Y7MQ7GMSMFPUVPRVLB6ZY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:BKN23Y7MQ7GMSMFPUVPRVLB6ZY","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":"3b8a79306babd7d13396b5050517b2dc83faa8943e21b4334d37c9308e32b331","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-07-06T15:32:17Z","title_canon_sha256":"62551cbd9e5d4a68945787b0c259828199050c7e72d2c14c58c0331334585944"},"schema_version":"1.0","source":{"id":"1507.01498","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.01498","created_at":"2026-05-18T01:27:39Z"},{"alias_kind":"arxiv_version","alias_value":"1507.01498v1","created_at":"2026-05-18T01:27:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.01498","created_at":"2026-05-18T01:27:39Z"},{"alias_kind":"pith_short_12","alias_value":"BKN23Y7MQ7GM","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"BKN23Y7MQ7GMSMFP","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"BKN23Y7M","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:f2439b54b44f5532e4a5c28fdb98be1b1e9785c1c64ef2a61db728192fb2d566","target":"graph","created_at":"2026-05-18T01:27:39Z","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 on the measurement of the isotope shifts of the $3d^74s \\,\\, a \\, {}^5\\!F_5 - 3d^74p \\,\\, z \\, {}^5\\!G^o_6$ Fe~I line at 358~nm between all four stable isotopes ${}^{54}$Fe, ${}^{56}$Fe, ${}^{57}$Fe and ${}^{58}$Fe, as well as the hyperfine structure of that line for ${}^{57}$Fe, the only stable isotope having a nonzero nuclear spin. This line is of primary importance for laser cooling applications. In addition, an experimental value of the field and specific mass shift coefficients of the transition is reported as well as the hyperfine structure magnetic dipole coupling constant $A$","authors_text":"M. Pettens, N. Huet, T. Bastin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-07-06T15:32:17Z","title":"Isotope shifts and hyperfine structure of the laser cooling Fe I 358-nm line"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.01498","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":"sha256:5aa28c94ef50c1de3dcd9c8a121b27fab1ac8774afa1bc25c56071a30e4487c4","target":"record","created_at":"2026-05-18T01:27:39Z","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":"3b8a79306babd7d13396b5050517b2dc83faa8943e21b4334d37c9308e32b331","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-07-06T15:32:17Z","title_canon_sha256":"62551cbd9e5d4a68945787b0c259828199050c7e72d2c14c58c0331334585944"},"schema_version":"1.0","source":{"id":"1507.01498","kind":"arxiv","version":1}},"canonical_sha256":"0a9bade3ec87ccc930afa55f1aac3ece059f94a7f9b8adc46f9af1019aa53da0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a9bade3ec87ccc930afa55f1aac3ece059f94a7f9b8adc46f9af1019aa53da0","first_computed_at":"2026-05-18T01:27:39.291758Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:27:39.291758Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ql/89hSH9r5RyPeYTCFA/ZnKDl97TqPR0Y7xMeV6X4b3nC7r6XEuofUXuzRASI9G2P0n4lZttMrD8k0Iwj2pAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:27:39.292177Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.01498","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5aa28c94ef50c1de3dcd9c8a121b27fab1ac8774afa1bc25c56071a30e4487c4","sha256:f2439b54b44f5532e4a5c28fdb98be1b1e9785c1c64ef2a61db728192fb2d566"],"state_sha256":"fdfc6df05f4005b5c51c5df79abf05f7203e9072b889e81f3d9e3f3f59407f54"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EMWqJRX7BTdmIM2lmNQU6ahmdL56yQtBsCXgpKi2CZ6oEizmHoPTdPPd3tRjIkHlvHplK6rq9lRBsvHKaq2oAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T22:14:12.667249Z","bundle_sha256":"1038376f85e616e238610fb41cc1b38a7a2cbc3baa436c1e6d6b1c94891a85be"}}