{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:LRX6TJLES2MKJITSJQ5WGVU2ED","short_pith_number":"pith:LRX6TJLE","canonical_record":{"source":{"id":"1108.1404","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-08-05T20:09:27Z","cross_cats_sorted":[],"title_canon_sha256":"991fec3229879bb28dcb2c47d6dbaaab489e1d53c9beeafb1b341ac9061617ed","abstract_canon_sha256":"e2c8f13f2ca0ad8d7f50ecbd403f2124c437356ccf0469fa4d690fa72a89237c"},"schema_version":"1.0"},"canonical_sha256":"5c6fe9a5649698a4a2724c3b63569a20ec52c0df38195f5e5dd0434fa94c3bf4","source":{"kind":"arxiv","id":"1108.1404","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.1404","created_at":"2026-05-18T02:01:00Z"},{"alias_kind":"arxiv_version","alias_value":"1108.1404v1","created_at":"2026-05-18T02:01:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.1404","created_at":"2026-05-18T02:01:00Z"},{"alias_kind":"pith_short_12","alias_value":"LRX6TJLES2MK","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"LRX6TJLES2MKJITS","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"LRX6TJLE","created_at":"2026-05-18T12:26:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:LRX6TJLES2MKJITSJQ5WGVU2ED","target":"record","payload":{"canonical_record":{"source":{"id":"1108.1404","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-08-05T20:09:27Z","cross_cats_sorted":[],"title_canon_sha256":"991fec3229879bb28dcb2c47d6dbaaab489e1d53c9beeafb1b341ac9061617ed","abstract_canon_sha256":"e2c8f13f2ca0ad8d7f50ecbd403f2124c437356ccf0469fa4d690fa72a89237c"},"schema_version":"1.0"},"canonical_sha256":"5c6fe9a5649698a4a2724c3b63569a20ec52c0df38195f5e5dd0434fa94c3bf4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:00.942733Z","signature_b64":"epHC0qIokUElDPnPljT+6fdTUaM691ang7g+yoqonsil8ldjwFbS0aX8JCww/XsApdP2fXE9/f48fAWVR4NKBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c6fe9a5649698a4a2724c3b63569a20ec52c0df38195f5e5dd0434fa94c3bf4","last_reissued_at":"2026-05-18T02:01:00.942343Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:00.942343Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.1404","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":"2026-05-18T02:01:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qfwWXaRJWhLNLjNe1u2QFMbBcy9/n6q8ccEAS+ClO9CI6MrLMoFXQ9UXs1S4TbGUh4yuIPyIiAFdMnsMcZEACQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:40:22.286612Z"},"content_sha256":"a1ec7f75a89127162a09454429a9886ab5444dbc643dd34c24c5cab1d1480098","schema_version":"1.0","event_id":"sha256:a1ec7f75a89127162a09454429a9886ab5444dbc643dd34c24c5cab1d1480098"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:LRX6TJLES2MKJITSJQ5WGVU2ED","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental isotope shifts of the 5 $^2S_{1/2}$ state and low-lying excited states of Rb","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"E. E. Eyler, L. Aldridge, P. L. Gould","submitted_at":"2011-08-05T20:09:27Z","abstract_excerpt":"By combining a recent precise measurement of the ionization energy of $^{87}$Rb with previous measurements of electronic and hyperfine structure, an accurate value for the $^{85}\\textrm{Rb}-^{87}\\textrm{Rb}$ isotope shift of the 5$^2S_{1/2}$ ground state can be determined. In turn, comparison with additional spectroscopic data makes it possible for the first time to evaluate isotope shifts for the low-lying excited states, accurate in most cases to about 1 MHz. In a few cases, the specific mass shift contribution can be determined in addition to the total shift. This information is particularl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.1404","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":"2026-05-18T02:01:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BfCCvdsisr2k9Lx6gVR2MiAkeKaZr5vLxDxXrOft6QFK6JSQdjEJ37c7qmgQ8oVwBV5Q/M44yZIwbMVHhx3vCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:40:22.287362Z"},"content_sha256":"8c933c3302dd99645165de1e6667d08d570786bba449375ade4bbd4daaad0e4d","schema_version":"1.0","event_id":"sha256:8c933c3302dd99645165de1e6667d08d570786bba449375ade4bbd4daaad0e4d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LRX6TJLES2MKJITSJQ5WGVU2ED/bundle.json","state_url":"https://pith.science/pith/LRX6TJLES2MKJITSJQ5WGVU2ED/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LRX6TJLES2MKJITSJQ5WGVU2ED/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":"2026-05-27T05:40:22Z","links":{"resolver":"https://pith.science/pith/LRX6TJLES2MKJITSJQ5WGVU2ED","bundle":"https://pith.science/pith/LRX6TJLES2MKJITSJQ5WGVU2ED/bundle.json","state":"https://pith.science/pith/LRX6TJLES2MKJITSJQ5WGVU2ED/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LRX6TJLES2MKJITSJQ5WGVU2ED/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:LRX6TJLES2MKJITSJQ5WGVU2ED","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":"e2c8f13f2ca0ad8d7f50ecbd403f2124c437356ccf0469fa4d690fa72a89237c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-08-05T20:09:27Z","title_canon_sha256":"991fec3229879bb28dcb2c47d6dbaaab489e1d53c9beeafb1b341ac9061617ed"},"schema_version":"1.0","source":{"id":"1108.1404","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.1404","created_at":"2026-05-18T02:01:00Z"},{"alias_kind":"arxiv_version","alias_value":"1108.1404v1","created_at":"2026-05-18T02:01:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.1404","created_at":"2026-05-18T02:01:00Z"},{"alias_kind":"pith_short_12","alias_value":"LRX6TJLES2MK","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"LRX6TJLES2MKJITS","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"LRX6TJLE","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:8c933c3302dd99645165de1e6667d08d570786bba449375ade4bbd4daaad0e4d","target":"graph","created_at":"2026-05-18T02:01:00Z","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":"By combining a recent precise measurement of the ionization energy of $^{87}$Rb with previous measurements of electronic and hyperfine structure, an accurate value for the $^{85}\\textrm{Rb}-^{87}\\textrm{Rb}$ isotope shift of the 5$^2S_{1/2}$ ground state can be determined. In turn, comparison with additional spectroscopic data makes it possible for the first time to evaluate isotope shifts for the low-lying excited states, accurate in most cases to about 1 MHz. In a few cases, the specific mass shift contribution can be determined in addition to the total shift. This information is particularl","authors_text":"E. E. Eyler, L. Aldridge, P. L. Gould","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-08-05T20:09:27Z","title":"Experimental isotope shifts of the 5 $^2S_{1/2}$ state and low-lying excited states of Rb"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.1404","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:a1ec7f75a89127162a09454429a9886ab5444dbc643dd34c24c5cab1d1480098","target":"record","created_at":"2026-05-18T02:01:00Z","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":"e2c8f13f2ca0ad8d7f50ecbd403f2124c437356ccf0469fa4d690fa72a89237c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-08-05T20:09:27Z","title_canon_sha256":"991fec3229879bb28dcb2c47d6dbaaab489e1d53c9beeafb1b341ac9061617ed"},"schema_version":"1.0","source":{"id":"1108.1404","kind":"arxiv","version":1}},"canonical_sha256":"5c6fe9a5649698a4a2724c3b63569a20ec52c0df38195f5e5dd0434fa94c3bf4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5c6fe9a5649698a4a2724c3b63569a20ec52c0df38195f5e5dd0434fa94c3bf4","first_computed_at":"2026-05-18T02:01:00.942343Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:00.942343Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"epHC0qIokUElDPnPljT+6fdTUaM691ang7g+yoqonsil8ldjwFbS0aX8JCww/XsApdP2fXE9/f48fAWVR4NKBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:00.942733Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.1404","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1ec7f75a89127162a09454429a9886ab5444dbc643dd34c24c5cab1d1480098","sha256:8c933c3302dd99645165de1e6667d08d570786bba449375ade4bbd4daaad0e4d"],"state_sha256":"73a0f8b4101b3019db1e14a7362bb95aa6226a461d51bac6975c7719edf6b5ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VW1KpxdrPpxriYluqz0gLYMtOxl8NOB885GXH6WNYLHZWpemwiuhedgnDC8WUWR0l36qz+hJKol6+ihz9jl6Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T05:40:22.290795Z","bundle_sha256":"e94a821a8e5340ff41160f95db514d656839c2cb73388862f61286b4e5d6236f"}}