{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:C3SGYIXLD6U5EF2O4YSP5JPM5E","short_pith_number":"pith:C3SGYIXL","canonical_record":{"source":{"id":"2010.02200","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-10-05T17:59:06Z","cross_cats_sorted":[],"title_canon_sha256":"71f4cac4b329250d9be53ae51b601a43921697d2293a481e40edddf78bcd8b44","abstract_canon_sha256":"efd376c54d3b49ac0bdd2ea85f29e5920c07af2afe038fdb46f37416805d254e"},"schema_version":"1.0"},"canonical_sha256":"16e46c22eb1fa9d2174ee624fea5ece9379e71e351ad69bebb252599c6b310e7","source":{"kind":"arxiv","id":"2010.02200","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.02200","created_at":"2026-07-05T01:40:18Z"},{"alias_kind":"arxiv_version","alias_value":"2010.02200v1","created_at":"2026-07-05T01:40:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.02200","created_at":"2026-07-05T01:40:18Z"},{"alias_kind":"pith_short_12","alias_value":"C3SGYIXLD6U5","created_at":"2026-07-05T01:40:18Z"},{"alias_kind":"pith_short_16","alias_value":"C3SGYIXLD6U5EF2O","created_at":"2026-07-05T01:40:18Z"},{"alias_kind":"pith_short_8","alias_value":"C3SGYIXL","created_at":"2026-07-05T01:40:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:C3SGYIXLD6U5EF2O4YSP5JPM5E","target":"record","payload":{"canonical_record":{"source":{"id":"2010.02200","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-10-05T17:59:06Z","cross_cats_sorted":[],"title_canon_sha256":"71f4cac4b329250d9be53ae51b601a43921697d2293a481e40edddf78bcd8b44","abstract_canon_sha256":"efd376c54d3b49ac0bdd2ea85f29e5920c07af2afe038fdb46f37416805d254e"},"schema_version":"1.0"},"canonical_sha256":"16e46c22eb1fa9d2174ee624fea5ece9379e71e351ad69bebb252599c6b310e7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:40:18.405244Z","signature_b64":"06p4aiyOkQDokELhNPd0u7SRrlf6GIdaAsmfNqjixOY2hf79PQry2p/yq2gISb4v8ftceFbxT4+om4apsKYsAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"16e46c22eb1fa9d2174ee624fea5ece9379e71e351ad69bebb252599c6b310e7","last_reissued_at":"2026-07-05T01:40:18.404809Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:40:18.404809Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2010.02200","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":"2026-07-05T01:40:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wk+UVU/oic1dwv50+gHdfifMzTo8IdTNF5JubiLhwE1pGoFuxqjq/na8wcqu9AP0FWh+iyj/tfUbLxClGTcQBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:27:25.164139Z"},"content_sha256":"b04a43310aea7dad6c4528601729f02d26df0b4e768c3063c25d8a7bf3c5e627","schema_version":"1.0","event_id":"sha256:b04a43310aea7dad6c4528601729f02d26df0b4e768c3063c25d8a7bf3c5e627"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:C3SGYIXLD6U5EF2O4YSP5JPM5E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measuring the time atoms spend in the excited state due to a photon they don't absorb","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Aephraim M. Steinberg, Aharon Brodutch, Daniela Angulo, Josiah Sinclair, Kent Bonsma-Fisher, Kyle Thompson","submitted_at":"2020-10-05T17:59:06Z","abstract_excerpt":"When a resonant photon traverses a sample of absorbing atoms, how much time do atoms spend in the excited state? Does the answer depend on whether the photon is ultimately absorbed or transmitted? In particular, if it is $\\textit{not}$ absorbed, does it cause atoms to spend any time in the excited state, and if so, how much? In an experiment with ultra-cold Rubidium atoms, we simultaneously record whether atoms are excited by incident (\"signal\") photons and whether those photons are transmitted. We measure the time spent by atoms in the excited state by using a separate, off-resonant \"probe\" l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.02200","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/2010.02200/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":"2026-07-05T01:40:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FxAdyHGhPx8UdkpLtAbhShEkUUCgwJYesb8UxdtvZy+4HOVDhrufYRImfzKk0iIvxS2em0CoIL3QMonWCBxkDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:27:25.164834Z"},"content_sha256":"cf88c3044f7cfef391101b3cc1017b7cb5c741f7c386f4db1ec348e22ba2630d","schema_version":"1.0","event_id":"sha256:cf88c3044f7cfef391101b3cc1017b7cb5c741f7c386f4db1ec348e22ba2630d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C3SGYIXLD6U5EF2O4YSP5JPM5E/bundle.json","state_url":"https://pith.science/pith/C3SGYIXLD6U5EF2O4YSP5JPM5E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C3SGYIXLD6U5EF2O4YSP5JPM5E/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":"2026-08-03T16:27:25Z","links":{"resolver":"https://pith.science/pith/C3SGYIXLD6U5EF2O4YSP5JPM5E","bundle":"https://pith.science/pith/C3SGYIXLD6U5EF2O4YSP5JPM5E/bundle.json","state":"https://pith.science/pith/C3SGYIXLD6U5EF2O4YSP5JPM5E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C3SGYIXLD6U5EF2O4YSP5JPM5E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:C3SGYIXLD6U5EF2O4YSP5JPM5E","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":"efd376c54d3b49ac0bdd2ea85f29e5920c07af2afe038fdb46f37416805d254e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-10-05T17:59:06Z","title_canon_sha256":"71f4cac4b329250d9be53ae51b601a43921697d2293a481e40edddf78bcd8b44"},"schema_version":"1.0","source":{"id":"2010.02200","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.02200","created_at":"2026-07-05T01:40:18Z"},{"alias_kind":"arxiv_version","alias_value":"2010.02200v1","created_at":"2026-07-05T01:40:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.02200","created_at":"2026-07-05T01:40:18Z"},{"alias_kind":"pith_short_12","alias_value":"C3SGYIXLD6U5","created_at":"2026-07-05T01:40:18Z"},{"alias_kind":"pith_short_16","alias_value":"C3SGYIXLD6U5EF2O","created_at":"2026-07-05T01:40:18Z"},{"alias_kind":"pith_short_8","alias_value":"C3SGYIXL","created_at":"2026-07-05T01:40:18Z"}],"graph_snapshots":[{"event_id":"sha256:cf88c3044f7cfef391101b3cc1017b7cb5c741f7c386f4db1ec348e22ba2630d","target":"graph","created_at":"2026-07-05T01:40:18Z","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/2010.02200/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"When a resonant photon traverses a sample of absorbing atoms, how much time do atoms spend in the excited state? Does the answer depend on whether the photon is ultimately absorbed or transmitted? In particular, if it is $\\textit{not}$ absorbed, does it cause atoms to spend any time in the excited state, and if so, how much? In an experiment with ultra-cold Rubidium atoms, we simultaneously record whether atoms are excited by incident (\"signal\") photons and whether those photons are transmitted. We measure the time spent by atoms in the excited state by using a separate, off-resonant \"probe\" l","authors_text":"Aephraim M. Steinberg, Aharon Brodutch, Daniela Angulo, Josiah Sinclair, Kent Bonsma-Fisher, Kyle Thompson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-10-05T17:59:06Z","title":"Measuring the time atoms spend in the excited state due to a photon they don't absorb"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.02200","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:b04a43310aea7dad6c4528601729f02d26df0b4e768c3063c25d8a7bf3c5e627","target":"record","created_at":"2026-07-05T01:40:18Z","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":"efd376c54d3b49ac0bdd2ea85f29e5920c07af2afe038fdb46f37416805d254e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-10-05T17:59:06Z","title_canon_sha256":"71f4cac4b329250d9be53ae51b601a43921697d2293a481e40edddf78bcd8b44"},"schema_version":"1.0","source":{"id":"2010.02200","kind":"arxiv","version":1}},"canonical_sha256":"16e46c22eb1fa9d2174ee624fea5ece9379e71e351ad69bebb252599c6b310e7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"16e46c22eb1fa9d2174ee624fea5ece9379e71e351ad69bebb252599c6b310e7","first_computed_at":"2026-07-05T01:40:18.404809Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:40:18.404809Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"06p4aiyOkQDokELhNPd0u7SRrlf6GIdaAsmfNqjixOY2hf79PQry2p/yq2gISb4v8ftceFbxT4+om4apsKYsAA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:40:18.405244Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.02200","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b04a43310aea7dad6c4528601729f02d26df0b4e768c3063c25d8a7bf3c5e627","sha256:cf88c3044f7cfef391101b3cc1017b7cb5c741f7c386f4db1ec348e22ba2630d"],"state_sha256":"f888c292089fd85465862baa6adcac1d2ebe5d9d946ea330dd145652a2b7d94c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lsXCbWf+dlcPf4TELb9hytiRjfkES7ukzuWpdJjMlhRey285+NPbY39O0NEkz4RgIC9ryLZ9jCIQOi7rhCmSAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:27:25.169795Z","bundle_sha256":"9761024541e8c7c3837e8eced1a03348bd8b87e16c3e0a6e0989e7379533d9fc"}}