{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:7PBB4IIMSRG7NEEHE2H53MD6E7","short_pith_number":"pith:7PBB4IIM","canonical_record":{"source":{"id":"2311.17337","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-11-29T03:32:12Z","cross_cats_sorted":[],"title_canon_sha256":"63c3bec23fb26bb9f858f6db4e9d374bf65773753231792d11eafa7e27c2e491","abstract_canon_sha256":"eea3a5d40fd3f45a8218690b8332561b7b65ec7e1bd04fc37e458e99afe920e9"},"schema_version":"1.0"},"canonical_sha256":"fbc21e210c944df69087268fddb07e27cbd6f3b42c7aabd545f60973c92fd0f0","source":{"kind":"arxiv","id":"2311.17337","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.17337","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"arxiv_version","alias_value":"2311.17337v4","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.17337","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"pith_short_12","alias_value":"7PBB4IIMSRG7","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"pith_short_16","alias_value":"7PBB4IIMSRG7NEEH","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"pith_short_8","alias_value":"7PBB4IIM","created_at":"2026-07-05T09:04:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:7PBB4IIMSRG7NEEHE2H53MD6E7","target":"record","payload":{"canonical_record":{"source":{"id":"2311.17337","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-11-29T03:32:12Z","cross_cats_sorted":[],"title_canon_sha256":"63c3bec23fb26bb9f858f6db4e9d374bf65773753231792d11eafa7e27c2e491","abstract_canon_sha256":"eea3a5d40fd3f45a8218690b8332561b7b65ec7e1bd04fc37e458e99afe920e9"},"schema_version":"1.0"},"canonical_sha256":"fbc21e210c944df69087268fddb07e27cbd6f3b42c7aabd545f60973c92fd0f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:04:08.306367Z","signature_b64":"wXcRueUy3gzn9gAYXxpt58uuh67ETv6xTyEqSMF58dWYBRqvlFgkiyZTRYp1LzeE4JPNFno/xcluQVJ2tVGvCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fbc21e210c944df69087268fddb07e27cbd6f3b42c7aabd545f60973c92fd0f0","last_reissued_at":"2026-07-05T09:04:08.305890Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:04:08.305890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2311.17337","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:04:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"In+I7oRUsa6+ouo5nIL1EKn49nvlOgg6kVVQLB8HLc5vnl84QKDf16OqGJ9zDnvd0328tn9pfbrrm8Ntmlz4BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T14:02:59.817889Z"},"content_sha256":"7142a050c083d4d99f9ffc687431b99402c2495f720a5a90857427b2c5faa418","schema_version":"1.0","event_id":"sha256:7142a050c083d4d99f9ffc687431b99402c2495f720a5a90857427b2c5faa418"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:7PBB4IIMSRG7NEEHE2H53MD6E7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Systematic-free limit on new light scalar bosons via isotope shift spectroscopy in Ca$^+$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Bless Bah Awazi, Elina Fuchs, Julian C. Berengut, S. Charles Doret, Timothy T. Chang","submitted_at":"2023-11-29T03:32:12Z","abstract_excerpt":"We report a precise measurement of the isotope shifts in the $4^2$S$_{1/2} \\rightarrow 3^2$D$_{3/2}$ electric quadrupole transition at 732~nm in $^{40 - 42,44,48}$Ca$^+$ via high-resolution laser spectroscopy of co-trapped ions, finding measured shifts of 2,775,392,374.8(6.0), 5,347,679,835.1(5.9), and 10,003,129,115.1(5.7)\\,Hz between $^{42,44,48}$Ca$^+$and $^{40}$Ca$^+$, respectively. When combined with prior measurements on the $4^2$S$_{1/2} \\rightarrow 3^2$D$_{5/2}$ transition [Phys. Rev. A 100, 022514 (2019), https://journals.aps.org/pra/abstract/10.1103/PhysRevA.100.022514] a King Plot a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.17337","kind":"arxiv","version":4},"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/2311.17337/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":"2026-07-05T09:04:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gYB7CjXxQxzMKfyjsiAERXGLDFeEN1MkOYNaHUHPJ0/pPQA1a947+PvDYflFR8e/6lP0YQEBcbQ+4J8Rrhh/Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T14:02:59.818450Z"},"content_sha256":"8e3c77d38eae563708ba12117c033fe974f0238bcaf62aee1fc28d622fbfa298","schema_version":"1.0","event_id":"sha256:8e3c77d38eae563708ba12117c033fe974f0238bcaf62aee1fc28d622fbfa298"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7PBB4IIMSRG7NEEHE2H53MD6E7/bundle.json","state_url":"https://pith.science/pith/7PBB4IIMSRG7NEEHE2H53MD6E7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7PBB4IIMSRG7NEEHE2H53MD6E7/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":"2026-08-23T14:02:59Z","links":{"resolver":"https://pith.science/pith/7PBB4IIMSRG7NEEHE2H53MD6E7","bundle":"https://pith.science/pith/7PBB4IIMSRG7NEEHE2H53MD6E7/bundle.json","state":"https://pith.science/pith/7PBB4IIMSRG7NEEHE2H53MD6E7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7PBB4IIMSRG7NEEHE2H53MD6E7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:7PBB4IIMSRG7NEEHE2H53MD6E7","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":"eea3a5d40fd3f45a8218690b8332561b7b65ec7e1bd04fc37e458e99afe920e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-11-29T03:32:12Z","title_canon_sha256":"63c3bec23fb26bb9f858f6db4e9d374bf65773753231792d11eafa7e27c2e491"},"schema_version":"1.0","source":{"id":"2311.17337","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.17337","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"arxiv_version","alias_value":"2311.17337v4","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.17337","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"pith_short_12","alias_value":"7PBB4IIMSRG7","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"pith_short_16","alias_value":"7PBB4IIMSRG7NEEH","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"pith_short_8","alias_value":"7PBB4IIM","created_at":"2026-07-05T09:04:08Z"}],"graph_snapshots":[{"event_id":"sha256:8e3c77d38eae563708ba12117c033fe974f0238bcaf62aee1fc28d622fbfa298","target":"graph","created_at":"2026-07-05T09:04:08Z","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/2311.17337/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report a precise measurement of the isotope shifts in the $4^2$S$_{1/2} \\rightarrow 3^2$D$_{3/2}$ electric quadrupole transition at 732~nm in $^{40 - 42,44,48}$Ca$^+$ via high-resolution laser spectroscopy of co-trapped ions, finding measured shifts of 2,775,392,374.8(6.0), 5,347,679,835.1(5.9), and 10,003,129,115.1(5.7)\\,Hz between $^{42,44,48}$Ca$^+$and $^{40}$Ca$^+$, respectively. When combined with prior measurements on the $4^2$S$_{1/2} \\rightarrow 3^2$D$_{5/2}$ transition [Phys. Rev. A 100, 022514 (2019), https://journals.aps.org/pra/abstract/10.1103/PhysRevA.100.022514] a King Plot a","authors_text":"Bless Bah Awazi, Elina Fuchs, Julian C. Berengut, S. Charles Doret, Timothy T. Chang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-11-29T03:32:12Z","title":"Systematic-free limit on new light scalar bosons via isotope shift spectroscopy in Ca$^+$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.17337","kind":"arxiv","version":4},"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":"sha256:7142a050c083d4d99f9ffc687431b99402c2495f720a5a90857427b2c5faa418","target":"record","created_at":"2026-07-05T09:04:08Z","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":"eea3a5d40fd3f45a8218690b8332561b7b65ec7e1bd04fc37e458e99afe920e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-11-29T03:32:12Z","title_canon_sha256":"63c3bec23fb26bb9f858f6db4e9d374bf65773753231792d11eafa7e27c2e491"},"schema_version":"1.0","source":{"id":"2311.17337","kind":"arxiv","version":4}},"canonical_sha256":"fbc21e210c944df69087268fddb07e27cbd6f3b42c7aabd545f60973c92fd0f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fbc21e210c944df69087268fddb07e27cbd6f3b42c7aabd545f60973c92fd0f0","first_computed_at":"2026-07-05T09:04:08.305890Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:04:08.305890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wXcRueUy3gzn9gAYXxpt58uuh67ETv6xTyEqSMF58dWYBRqvlFgkiyZTRYp1LzeE4JPNFno/xcluQVJ2tVGvCw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:04:08.306367Z","signed_message":"canonical_sha256_bytes"},"source_id":"2311.17337","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7142a050c083d4d99f9ffc687431b99402c2495f720a5a90857427b2c5faa418","sha256:8e3c77d38eae563708ba12117c033fe974f0238bcaf62aee1fc28d622fbfa298"],"state_sha256":"82963ef105e314fe28c2bbe29412f1cd36c0c29006c42e5392f5872e72e12d65"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+FJl4kZBjv68l9/4C6cXANPfx9TFdUyPjTML+hGdFBKMwsUXgm8ABosb0/fpQtgoaVRGZ/D4V6NjmIHs8ncoDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T14:02:59.825516Z","bundle_sha256":"70098e7343b76811e10919e3a502cadd5faa1d0acfc2305e339c566d3d861254"}}