{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:PSMHODT2VUZQRDVD7U2DPXKTCL","short_pith_number":"pith:PSMHODT2","canonical_record":{"source":{"id":"physics/0009091","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.atom-ph","submitted_at":"2000-09-28T14:08:43Z","cross_cats_sorted":[],"title_canon_sha256":"80c7204ed61bb63aec2dab4be2d29abc63651ccc1332e34b36c57ff023aaaa97","abstract_canon_sha256":"b870f329214ef306b83868eca4a581c2f9a82a6d697242ff1f066f31805f6aa9"},"schema_version":"1.0"},"canonical_sha256":"7c98770e7aad33088ea3fd3437dd5312e12ecd22ded5f762c1547de1a4e9fc51","source":{"kind":"arxiv","id":"physics/0009091","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0009091","created_at":"2026-05-18T01:05:15Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0009091v1","created_at":"2026-05-18T01:05:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0009091","created_at":"2026-05-18T01:05:15Z"},{"alias_kind":"pith_short_12","alias_value":"PSMHODT2VUZQ","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"PSMHODT2VUZQRDVD","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"PSMHODT2","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:PSMHODT2VUZQRDVD7U2DPXKTCL","target":"record","payload":{"canonical_record":{"source":{"id":"physics/0009091","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.atom-ph","submitted_at":"2000-09-28T14:08:43Z","cross_cats_sorted":[],"title_canon_sha256":"80c7204ed61bb63aec2dab4be2d29abc63651ccc1332e34b36c57ff023aaaa97","abstract_canon_sha256":"b870f329214ef306b83868eca4a581c2f9a82a6d697242ff1f066f31805f6aa9"},"schema_version":"1.0"},"canonical_sha256":"7c98770e7aad33088ea3fd3437dd5312e12ecd22ded5f762c1547de1a4e9fc51","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:05:15.195706Z","signature_b64":"IhrG+p/GDh+3dITmspZanFLYQ1X+JwUNJayDw+j5CG3maoHfUHitbxs511Vp7RcXzyPOZvfLWMfrKHpM/r/8DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c98770e7aad33088ea3fd3437dd5312e12ecd22ded5f762c1547de1a4e9fc51","last_reissued_at":"2026-05-18T01:05:15.195190Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:05:15.195190Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"physics/0009091","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":"2026-05-18T01:05:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mwYYIIQtanhI7roxbmRyENlJwUFnjKQ3rBotTKqaeRgLMVX8jV9FXUl1rqO+HPflVRIkbXD9mt/7BxdxJsIQCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:40:21.064021Z"},"content_sha256":"e6cdf8c406556c7a073295cc4e306f29807404047bb52b96ed85e1bdfe38de42","schema_version":"1.0","event_id":"sha256:e6cdf8c406556c7a073295cc4e306f29807404047bb52b96ed85e1bdfe38de42"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:PSMHODT2VUZQRDVD7U2DPXKTCL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electromagnetically induced absorption in magneto-optically trapped atoms","license":"","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"A. Lezama, A. Lipsich, P. Valente, S. Barreiro","submitted_at":"2000-09-28T14:08:43Z","abstract_excerpt":"Electromagnetically induced absorption (EIA) was observed on a sample of $% ^{85}Rb$ in a magneto-optical trap using low intensity cw copropagating pump and probe optical fields. At moderate trapping field intensity, the EIA spectrum is determined by the Zeeman effect produced on the atomic ground-state by the trapping quadrupolar magnetic field. The use of EIA spectroscopy for the magnetic field mapping of cold atomic samples is illustrated."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0009091","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":"2026-05-18T01:05:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Joil1pAYucBNzBPmm/II5gQLVPtJYtI4ShRUXzYMqIL6vpVHnqApBIWo1NCY8+u5FA9RVSo547dh8ESgwkaJDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:40:21.064718Z"},"content_sha256":"f652b4f49d144e9bf6505ab9453e3106ec5b8547825a3c4f68b1c90957c3a521","schema_version":"1.0","event_id":"sha256:f652b4f49d144e9bf6505ab9453e3106ec5b8547825a3c4f68b1c90957c3a521"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PSMHODT2VUZQRDVD7U2DPXKTCL/bundle.json","state_url":"https://pith.science/pith/PSMHODT2VUZQRDVD7U2DPXKTCL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PSMHODT2VUZQRDVD7U2DPXKTCL/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":"2026-05-26T00:40:21Z","links":{"resolver":"https://pith.science/pith/PSMHODT2VUZQRDVD7U2DPXKTCL","bundle":"https://pith.science/pith/PSMHODT2VUZQRDVD7U2DPXKTCL/bundle.json","state":"https://pith.science/pith/PSMHODT2VUZQRDVD7U2DPXKTCL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PSMHODT2VUZQRDVD7U2DPXKTCL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:PSMHODT2VUZQRDVD7U2DPXKTCL","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":"b870f329214ef306b83868eca4a581c2f9a82a6d697242ff1f066f31805f6aa9","cross_cats_sorted":[],"license":"","primary_cat":"physics.atom-ph","submitted_at":"2000-09-28T14:08:43Z","title_canon_sha256":"80c7204ed61bb63aec2dab4be2d29abc63651ccc1332e34b36c57ff023aaaa97"},"schema_version":"1.0","source":{"id":"physics/0009091","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0009091","created_at":"2026-05-18T01:05:15Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0009091v1","created_at":"2026-05-18T01:05:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0009091","created_at":"2026-05-18T01:05:15Z"},{"alias_kind":"pith_short_12","alias_value":"PSMHODT2VUZQ","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"PSMHODT2VUZQRDVD","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"PSMHODT2","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:f652b4f49d144e9bf6505ab9453e3106ec5b8547825a3c4f68b1c90957c3a521","target":"graph","created_at":"2026-05-18T01:05:15Z","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":"Electromagnetically induced absorption (EIA) was observed on a sample of $% ^{85}Rb$ in a magneto-optical trap using low intensity cw copropagating pump and probe optical fields. At moderate trapping field intensity, the EIA spectrum is determined by the Zeeman effect produced on the atomic ground-state by the trapping quadrupolar magnetic field. The use of EIA spectroscopy for the magnetic field mapping of cold atomic samples is illustrated.","authors_text":"A. Lezama, A. Lipsich, P. Valente, S. Barreiro","cross_cats":[],"headline":"","license":"","primary_cat":"physics.atom-ph","submitted_at":"2000-09-28T14:08:43Z","title":"Electromagnetically induced absorption in magneto-optically trapped atoms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0009091","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:e6cdf8c406556c7a073295cc4e306f29807404047bb52b96ed85e1bdfe38de42","target":"record","created_at":"2026-05-18T01:05:15Z","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":"b870f329214ef306b83868eca4a581c2f9a82a6d697242ff1f066f31805f6aa9","cross_cats_sorted":[],"license":"","primary_cat":"physics.atom-ph","submitted_at":"2000-09-28T14:08:43Z","title_canon_sha256":"80c7204ed61bb63aec2dab4be2d29abc63651ccc1332e34b36c57ff023aaaa97"},"schema_version":"1.0","source":{"id":"physics/0009091","kind":"arxiv","version":1}},"canonical_sha256":"7c98770e7aad33088ea3fd3437dd5312e12ecd22ded5f762c1547de1a4e9fc51","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7c98770e7aad33088ea3fd3437dd5312e12ecd22ded5f762c1547de1a4e9fc51","first_computed_at":"2026-05-18T01:05:15.195190Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:05:15.195190Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IhrG+p/GDh+3dITmspZanFLYQ1X+JwUNJayDw+j5CG3maoHfUHitbxs511Vp7RcXzyPOZvfLWMfrKHpM/r/8DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:05:15.195706Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0009091","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e6cdf8c406556c7a073295cc4e306f29807404047bb52b96ed85e1bdfe38de42","sha256:f652b4f49d144e9bf6505ab9453e3106ec5b8547825a3c4f68b1c90957c3a521"],"state_sha256":"21b093913fe8952b1852c4ac60ae6fb82ba1477a37266efcb942ada440d256ef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4SmHjnSyEFYrzB8kNkOHOI6uHXpY6HX0xPoi50ZFF5YeF2G1tW7OYHhbe95t+IDbHo3bJSdZWPtGu5vBvQgSCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T00:40:21.068801Z","bundle_sha256":"5da79385674779a02f78fb18c4b685e2f9c3d37ac635374d92c593f0cb02b637"}}