{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:S55BYQQXL57K5Z25T3DWQGXIQ5","short_pith_number":"pith:S55BYQQX","canonical_record":{"source":{"id":"2302.01840","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-02-03T16:33:27Z","cross_cats_sorted":[],"title_canon_sha256":"9c0242d92cdd5ae00516dfe310c6b1419c7894a6637048fab7dfe525d3841d73","abstract_canon_sha256":"ec4bbe4a6bfa0be6904d7dfdcb5cd5c87eb2b47994fee97b81b5ee7577d6bff1"},"schema_version":"1.0"},"canonical_sha256":"977a1c42175f7eaee75d9ec7681ae88753c47d164e009cda3e5cefb237279840","source":{"kind":"arxiv","id":"2302.01840","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.01840","created_at":"2026-07-05T05:38:37Z"},{"alias_kind":"arxiv_version","alias_value":"2302.01840v1","created_at":"2026-07-05T05:38:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.01840","created_at":"2026-07-05T05:38:37Z"},{"alias_kind":"pith_short_12","alias_value":"S55BYQQXL57K","created_at":"2026-07-05T05:38:37Z"},{"alias_kind":"pith_short_16","alias_value":"S55BYQQXL57K5Z25","created_at":"2026-07-05T05:38:37Z"},{"alias_kind":"pith_short_8","alias_value":"S55BYQQX","created_at":"2026-07-05T05:38:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:S55BYQQXL57K5Z25T3DWQGXIQ5","target":"record","payload":{"canonical_record":{"source":{"id":"2302.01840","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-02-03T16:33:27Z","cross_cats_sorted":[],"title_canon_sha256":"9c0242d92cdd5ae00516dfe310c6b1419c7894a6637048fab7dfe525d3841d73","abstract_canon_sha256":"ec4bbe4a6bfa0be6904d7dfdcb5cd5c87eb2b47994fee97b81b5ee7577d6bff1"},"schema_version":"1.0"},"canonical_sha256":"977a1c42175f7eaee75d9ec7681ae88753c47d164e009cda3e5cefb237279840","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:38:37.121924Z","signature_b64":"FRxZaOepThM9fi0sarktwIbEbdm9p8bKr/TjnV3CToWvfnQDgSanunSASgnaL7N+P8NVazzeOuKPmVhs7LwTAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"977a1c42175f7eaee75d9ec7681ae88753c47d164e009cda3e5cefb237279840","last_reissued_at":"2026-07-05T05:38:37.121562Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:38:37.121562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.01840","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":"2026-07-05T05:38:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mgifU6jq0WP1dkokQapqcgwFLUritPGVElGb/PbO46YNKQhumdZ1tyJsxmZyUt2go6AYFIsp+5H9sk3/fg6yCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T15:12:33.881718Z"},"content_sha256":"71ebd95cdf59794e60a85aa2fab3ab78c1441c41d853498471b82df4fc08eec0","schema_version":"1.0","event_id":"sha256:71ebd95cdf59794e60a85aa2fab3ab78c1441c41d853498471b82df4fc08eec0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:S55BYQQXL57K5Z25T3DWQGXIQ5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Atomic Clock States of Thulium have Near-Zero Electric Quadrupole Moment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Timo Fleig","submitted_at":"2023-02-03T16:33:27Z","abstract_excerpt":"A method for highly accurate calculations of atomic electric quadrupole moments (EQM) is presented, using relativistic general-excitation-rank configuration interaction wavefunctions based on Dirac spinors. Application to the clock transition states of the thulium atom employing up to full Quadruple excitations for the atomic wavefunction yields a final value of $Q_{zz}({^2F}_{7/2}) = 0.07 \\pm 0.07$ a.u., establishing that the thulium electronic ground state has an exceptionally small EQM. A detailed analysis of this result is presented which has implications for EQMs of other atoms with unpai"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.01840","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2302.01840/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:38:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"97PL0RABr+XFW4Ns+U0Ysfe8a7GEXNgXiiKVvArYp7FGBwSuC0qbrmnw+q90zUZEditIn49IxLYawd4Sy+P6BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T15:12:33.882222Z"},"content_sha256":"2f0b320a0a3b902a792671ebd9df6167133da88f0cc480315cbef5c89515be9b","schema_version":"1.0","event_id":"sha256:2f0b320a0a3b902a792671ebd9df6167133da88f0cc480315cbef5c89515be9b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S55BYQQXL57K5Z25T3DWQGXIQ5/bundle.json","state_url":"https://pith.science/pith/S55BYQQXL57K5Z25T3DWQGXIQ5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S55BYQQXL57K5Z25T3DWQGXIQ5/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":"2026-08-04T15:12:33Z","links":{"resolver":"https://pith.science/pith/S55BYQQXL57K5Z25T3DWQGXIQ5","bundle":"https://pith.science/pith/S55BYQQXL57K5Z25T3DWQGXIQ5/bundle.json","state":"https://pith.science/pith/S55BYQQXL57K5Z25T3DWQGXIQ5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S55BYQQXL57K5Z25T3DWQGXIQ5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:S55BYQQXL57K5Z25T3DWQGXIQ5","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":"ec4bbe4a6bfa0be6904d7dfdcb5cd5c87eb2b47994fee97b81b5ee7577d6bff1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-02-03T16:33:27Z","title_canon_sha256":"9c0242d92cdd5ae00516dfe310c6b1419c7894a6637048fab7dfe525d3841d73"},"schema_version":"1.0","source":{"id":"2302.01840","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.01840","created_at":"2026-07-05T05:38:37Z"},{"alias_kind":"arxiv_version","alias_value":"2302.01840v1","created_at":"2026-07-05T05:38:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.01840","created_at":"2026-07-05T05:38:37Z"},{"alias_kind":"pith_short_12","alias_value":"S55BYQQXL57K","created_at":"2026-07-05T05:38:37Z"},{"alias_kind":"pith_short_16","alias_value":"S55BYQQXL57K5Z25","created_at":"2026-07-05T05:38:37Z"},{"alias_kind":"pith_short_8","alias_value":"S55BYQQX","created_at":"2026-07-05T05:38:37Z"}],"graph_snapshots":[{"event_id":"sha256:2f0b320a0a3b902a792671ebd9df6167133da88f0cc480315cbef5c89515be9b","target":"graph","created_at":"2026-07-05T05:38:37Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2302.01840/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A method for highly accurate calculations of atomic electric quadrupole moments (EQM) is presented, using relativistic general-excitation-rank configuration interaction wavefunctions based on Dirac spinors. Application to the clock transition states of the thulium atom employing up to full Quadruple excitations for the atomic wavefunction yields a final value of $Q_{zz}({^2F}_{7/2}) = 0.07 \\pm 0.07$ a.u., establishing that the thulium electronic ground state has an exceptionally small EQM. A detailed analysis of this result is presented which has implications for EQMs of other atoms with unpai","authors_text":"Timo Fleig","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-02-03T16:33:27Z","title":"Atomic Clock States of Thulium have Near-Zero Electric Quadrupole Moment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.01840","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":"sha256:71ebd95cdf59794e60a85aa2fab3ab78c1441c41d853498471b82df4fc08eec0","target":"record","created_at":"2026-07-05T05:38:37Z","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":"ec4bbe4a6bfa0be6904d7dfdcb5cd5c87eb2b47994fee97b81b5ee7577d6bff1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-02-03T16:33:27Z","title_canon_sha256":"9c0242d92cdd5ae00516dfe310c6b1419c7894a6637048fab7dfe525d3841d73"},"schema_version":"1.0","source":{"id":"2302.01840","kind":"arxiv","version":1}},"canonical_sha256":"977a1c42175f7eaee75d9ec7681ae88753c47d164e009cda3e5cefb237279840","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"977a1c42175f7eaee75d9ec7681ae88753c47d164e009cda3e5cefb237279840","first_computed_at":"2026-07-05T05:38:37.121562Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:38:37.121562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FRxZaOepThM9fi0sarktwIbEbdm9p8bKr/TjnV3CToWvfnQDgSanunSASgnaL7N+P8NVazzeOuKPmVhs7LwTAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:38:37.121924Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.01840","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:71ebd95cdf59794e60a85aa2fab3ab78c1441c41d853498471b82df4fc08eec0","sha256:2f0b320a0a3b902a792671ebd9df6167133da88f0cc480315cbef5c89515be9b"],"state_sha256":"428b7e28fa130c10834efcdedc8085e7332efd2570ad94b63ef1b0892fa79bd3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mv7qCIniiC1m2nCFtDrgTkpbz+8IspBw7cTuqFd4LxLSMLR8/U4p8Pq7kv0JUB+r1rkqKClovZkOoOBpND7MDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T15:12:33.886550Z","bundle_sha256":"b9046ea29762e557a09033a70afc3373e45426f91018b30f758e6b09bd0b0043"}}