{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:2TZGS7FOOAHE7QXJQXT4RYI4RT","short_pith_number":"pith:2TZGS7FO","canonical_record":{"source":{"id":"1212.6768","kind":"arxiv","version":6},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-12-30T19:46:51Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"87b0310a3600d4ca4ba3654bd013ef1d907ca35ca0b89d8c6f8ac0fd2f94654e","abstract_canon_sha256":"131a53af0fa5cec30e1ccfefda71c7f5d134b0ef3318dc2aab3c57163e46e1a2"},"schema_version":"1.0"},"canonical_sha256":"d4f2697cae700e4fc2e985e7c8e11c8cd41161620a9c9c4130c343a5658bdb15","source":{"kind":"arxiv","id":"1212.6768","version":6},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.6768","created_at":"2026-05-18T03:32:04Z"},{"alias_kind":"arxiv_version","alias_value":"1212.6768v6","created_at":"2026-05-18T03:32:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.6768","created_at":"2026-05-18T03:32:04Z"},{"alias_kind":"pith_short_12","alias_value":"2TZGS7FOOAHE","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2TZGS7FOOAHE7QXJ","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2TZGS7FO","created_at":"2026-05-18T12:26:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:2TZGS7FOOAHE7QXJQXT4RYI4RT","target":"record","payload":{"canonical_record":{"source":{"id":"1212.6768","kind":"arxiv","version":6},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-12-30T19:46:51Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"87b0310a3600d4ca4ba3654bd013ef1d907ca35ca0b89d8c6f8ac0fd2f94654e","abstract_canon_sha256":"131a53af0fa5cec30e1ccfefda71c7f5d134b0ef3318dc2aab3c57163e46e1a2"},"schema_version":"1.0"},"canonical_sha256":"d4f2697cae700e4fc2e985e7c8e11c8cd41161620a9c9c4130c343a5658bdb15","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:32:04.929167Z","signature_b64":"YlmJ1PyfWwORZT5qOJIFecxnwAtK0Bg45bNtSAiLesW8l43ALchuDSszN0J8MFID3dNI6+QvaNIAiTb8NF3hAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d4f2697cae700e4fc2e985e7c8e11c8cd41161620a9c9c4130c343a5658bdb15","last_reissued_at":"2026-05-18T03:32:04.928522Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:32:04.928522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.6768","source_version":6,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:32:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ObUKG1z0RwGNawJlFQiALZaD5PUaurBnSzH2hFlcxZvd1RMsb084H4PFo0tkO9eqvxGFLcqF7a4e+ul19JuBCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T09:06:28.020959Z"},"content_sha256":"f049b95d02fb3bdc9f3b03f84736ea881a9352dd34dc7eb26e43382b40075589","schema_version":"1.0","event_id":"sha256:f049b95d02fb3bdc9f3b03f84736ea881a9352dd34dc7eb26e43382b40075589"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:2TZGS7FOOAHE7QXJQXT4RYI4RT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the isotopic shifts in the light two-electron atoms and ions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Alexei M. Frolov","submitted_at":"2012-12-30T19:46:51Z","abstract_excerpt":"The isotopic shifts are determined to high accuracy for a number of light two-electron ions. The field components of these isotopic shifts have been determined with the use of the exact Racah-Rosental-Breit formula."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.6768","kind":"arxiv","version":6},"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":"2026-05-18T03:32:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5KJzNng734EXbJbvrhLezy9qctg3v0AqcBjgexIGPeUD4mvq59Eizf+DDqO+Vq7sGPFR0g7pq7Z8wL+KX5v/Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T09:06:28.021303Z"},"content_sha256":"e06f26a3247fc1bcbb475fff118808501bebbb1a8bd0f91800c2288e0d96e05c","schema_version":"1.0","event_id":"sha256:e06f26a3247fc1bcbb475fff118808501bebbb1a8bd0f91800c2288e0d96e05c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2TZGS7FOOAHE7QXJQXT4RYI4RT/bundle.json","state_url":"https://pith.science/pith/2TZGS7FOOAHE7QXJQXT4RYI4RT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2TZGS7FOOAHE7QXJQXT4RYI4RT/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":"2026-06-12T09:06:28Z","links":{"resolver":"https://pith.science/pith/2TZGS7FOOAHE7QXJQXT4RYI4RT","bundle":"https://pith.science/pith/2TZGS7FOOAHE7QXJQXT4RYI4RT/bundle.json","state":"https://pith.science/pith/2TZGS7FOOAHE7QXJQXT4RYI4RT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2TZGS7FOOAHE7QXJQXT4RYI4RT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:2TZGS7FOOAHE7QXJQXT4RYI4RT","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":"131a53af0fa5cec30e1ccfefda71c7f5d134b0ef3318dc2aab3c57163e46e1a2","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-12-30T19:46:51Z","title_canon_sha256":"87b0310a3600d4ca4ba3654bd013ef1d907ca35ca0b89d8c6f8ac0fd2f94654e"},"schema_version":"1.0","source":{"id":"1212.6768","kind":"arxiv","version":6}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.6768","created_at":"2026-05-18T03:32:04Z"},{"alias_kind":"arxiv_version","alias_value":"1212.6768v6","created_at":"2026-05-18T03:32:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.6768","created_at":"2026-05-18T03:32:04Z"},{"alias_kind":"pith_short_12","alias_value":"2TZGS7FOOAHE","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2TZGS7FOOAHE7QXJ","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2TZGS7FO","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:e06f26a3247fc1bcbb475fff118808501bebbb1a8bd0f91800c2288e0d96e05c","target":"graph","created_at":"2026-05-18T03:32:04Z","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":"The isotopic shifts are determined to high accuracy for a number of light two-electron ions. The field components of these isotopic shifts have been determined with the use of the exact Racah-Rosental-Breit formula.","authors_text":"Alexei M. Frolov","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-12-30T19:46:51Z","title":"On the isotopic shifts in the light two-electron atoms and ions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.6768","kind":"arxiv","version":6},"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:f049b95d02fb3bdc9f3b03f84736ea881a9352dd34dc7eb26e43382b40075589","target":"record","created_at":"2026-05-18T03:32:04Z","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":"131a53af0fa5cec30e1ccfefda71c7f5d134b0ef3318dc2aab3c57163e46e1a2","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-12-30T19:46:51Z","title_canon_sha256":"87b0310a3600d4ca4ba3654bd013ef1d907ca35ca0b89d8c6f8ac0fd2f94654e"},"schema_version":"1.0","source":{"id":"1212.6768","kind":"arxiv","version":6}},"canonical_sha256":"d4f2697cae700e4fc2e985e7c8e11c8cd41161620a9c9c4130c343a5658bdb15","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d4f2697cae700e4fc2e985e7c8e11c8cd41161620a9c9c4130c343a5658bdb15","first_computed_at":"2026-05-18T03:32:04.928522Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:32:04.928522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YlmJ1PyfWwORZT5qOJIFecxnwAtK0Bg45bNtSAiLesW8l43ALchuDSszN0J8MFID3dNI6+QvaNIAiTb8NF3hAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:32:04.929167Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.6768","source_kind":"arxiv","source_version":6}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f049b95d02fb3bdc9f3b03f84736ea881a9352dd34dc7eb26e43382b40075589","sha256:e06f26a3247fc1bcbb475fff118808501bebbb1a8bd0f91800c2288e0d96e05c"],"state_sha256":"28c5eeab2b42358e257e7e860653735418e48ad7b3304ea5b93d7bd1dc59a496"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lDKTssvOf5Q7wWz1Le4jgyw8oiHhLe2PcoOVd9WjqlhzZbi0zfhzKKEJ7LhGeJ992PEvtglXlBsQZbZsfCXPBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T09:06:28.023653Z","bundle_sha256":"69d7dd42f59d405128a07081f95d6b855cecea34faa8820e7fd3c3e91c236f1c"}}