{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:GF4KUFJ4IU42FBEXZOZPGHMRMB","short_pith_number":"pith:GF4KUFJ4","canonical_record":{"source":{"id":"2112.10806","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-12-20T19:07:59Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"3458c7762c3374b2e6e3132173e560ac3243e5161dca7e619174f2092dd1f201","abstract_canon_sha256":"218069613572f6e08cd75c925f52ca587d19ce15b5e422042bf7f46a8d774e27"},"schema_version":"1.0"},"canonical_sha256":"3178aa153c4539a28497cbb2f31d91607c87ce6d74d5053abe189c7efc213840","source":{"kind":"arxiv","id":"2112.10806","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.10806","created_at":"2026-07-05T04:24:24Z"},{"alias_kind":"arxiv_version","alias_value":"2112.10806v1","created_at":"2026-07-05T04:24:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.10806","created_at":"2026-07-05T04:24:24Z"},{"alias_kind":"pith_short_12","alias_value":"GF4KUFJ4IU42","created_at":"2026-07-05T04:24:24Z"},{"alias_kind":"pith_short_16","alias_value":"GF4KUFJ4IU42FBEX","created_at":"2026-07-05T04:24:24Z"},{"alias_kind":"pith_short_8","alias_value":"GF4KUFJ4","created_at":"2026-07-05T04:24:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:GF4KUFJ4IU42FBEXZOZPGHMRMB","target":"record","payload":{"canonical_record":{"source":{"id":"2112.10806","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-12-20T19:07:59Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"3458c7762c3374b2e6e3132173e560ac3243e5161dca7e619174f2092dd1f201","abstract_canon_sha256":"218069613572f6e08cd75c925f52ca587d19ce15b5e422042bf7f46a8d774e27"},"schema_version":"1.0"},"canonical_sha256":"3178aa153c4539a28497cbb2f31d91607c87ce6d74d5053abe189c7efc213840","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:24:24.274196Z","signature_b64":"m8QY/TbzWpz0CXBKD+rd5g9SKNJCcxCJE6QHS5IJagplrMFGIFoFeamngS8EzRD/i8BcZeJf3AjxcaHfki5cBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3178aa153c4539a28497cbb2f31d91607c87ce6d74d5053abe189c7efc213840","last_reissued_at":"2026-07-05T04:24:24.273841Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:24:24.273841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2112.10806","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":"2026-07-05T04:24:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cnwayhzCZMurpJfH1c4ZWinbuAtrAUraJWyGNZ1nKTVszn5xx0bUtIYRtzzrQjojiVQ8NCy3S2XKLrwAWvuYCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T10:37:39.487305Z"},"content_sha256":"7c97e3cf743578bf9a84ac970174fb50923a162a04cbee103bd65fbda190a231","schema_version":"1.0","event_id":"sha256:7c97e3cf743578bf9a84ac970174fb50923a162a04cbee103bd65fbda190a231"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:GF4KUFJ4IU42FBEXZOZPGHMRMB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of coherent coupling between super- and subradiant states of an ensemble of cold atoms collectively coupled to a single propagating optical mode","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Arno Rauschenbeutel, Daniel Lechner, J\\\"urgen Volz, Martin Blaha, Philipp Schneeweiss, Riccardo Pennetta","submitted_at":"2021-12-20T19:07:59Z","abstract_excerpt":"We discuss the evolution of the quantum state of an ensemble of atoms that are coupled via a single propagating optical mode. We theoretically show that the quantum state of N atoms, which are initially prepared in the timed Dicke state, evolves through all the N - 1 states that are subradiant with respect to the propagating mode. We predict this process to occur for any atom number and any atom-light coupling strength. These findings are supported by measurements performed with cold cesium atoms coupled to the evanescent field of an optical nanofiber. We experimentally observe the evolution o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.10806","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/2112.10806/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":"2026-07-05T04:24:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IQ0HZKJF4mAqrXu+8iKfa1lCra3Dxx3c76gO7vtNY3R2xQ59fxPT1NfwaytYWOlfc8i74e+nZn5/lMM2aUjmBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T10:37:39.487687Z"},"content_sha256":"55dcf4ab5992daf85c1d4d9da73b0a5b31333db35a4649cef32566e572680938","schema_version":"1.0","event_id":"sha256:55dcf4ab5992daf85c1d4d9da73b0a5b31333db35a4649cef32566e572680938"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GF4KUFJ4IU42FBEXZOZPGHMRMB/bundle.json","state_url":"https://pith.science/pith/GF4KUFJ4IU42FBEXZOZPGHMRMB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GF4KUFJ4IU42FBEXZOZPGHMRMB/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":"2026-08-18T10:37:39Z","links":{"resolver":"https://pith.science/pith/GF4KUFJ4IU42FBEXZOZPGHMRMB","bundle":"https://pith.science/pith/GF4KUFJ4IU42FBEXZOZPGHMRMB/bundle.json","state":"https://pith.science/pith/GF4KUFJ4IU42FBEXZOZPGHMRMB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GF4KUFJ4IU42FBEXZOZPGHMRMB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:GF4KUFJ4IU42FBEXZOZPGHMRMB","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":"218069613572f6e08cd75c925f52ca587d19ce15b5e422042bf7f46a8d774e27","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-12-20T19:07:59Z","title_canon_sha256":"3458c7762c3374b2e6e3132173e560ac3243e5161dca7e619174f2092dd1f201"},"schema_version":"1.0","source":{"id":"2112.10806","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.10806","created_at":"2026-07-05T04:24:24Z"},{"alias_kind":"arxiv_version","alias_value":"2112.10806v1","created_at":"2026-07-05T04:24:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.10806","created_at":"2026-07-05T04:24:24Z"},{"alias_kind":"pith_short_12","alias_value":"GF4KUFJ4IU42","created_at":"2026-07-05T04:24:24Z"},{"alias_kind":"pith_short_16","alias_value":"GF4KUFJ4IU42FBEX","created_at":"2026-07-05T04:24:24Z"},{"alias_kind":"pith_short_8","alias_value":"GF4KUFJ4","created_at":"2026-07-05T04:24:24Z"}],"graph_snapshots":[{"event_id":"sha256:55dcf4ab5992daf85c1d4d9da73b0a5b31333db35a4649cef32566e572680938","target":"graph","created_at":"2026-07-05T04:24:24Z","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/2112.10806/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We discuss the evolution of the quantum state of an ensemble of atoms that are coupled via a single propagating optical mode. We theoretically show that the quantum state of N atoms, which are initially prepared in the timed Dicke state, evolves through all the N - 1 states that are subradiant with respect to the propagating mode. We predict this process to occur for any atom number and any atom-light coupling strength. These findings are supported by measurements performed with cold cesium atoms coupled to the evanescent field of an optical nanofiber. We experimentally observe the evolution o","authors_text":"Arno Rauschenbeutel, Daniel Lechner, J\\\"urgen Volz, Martin Blaha, Philipp Schneeweiss, Riccardo Pennetta","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-12-20T19:07:59Z","title":"Observation of coherent coupling between super- and subradiant states of an ensemble of cold atoms collectively coupled to a single propagating optical mode"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.10806","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":"sha256:7c97e3cf743578bf9a84ac970174fb50923a162a04cbee103bd65fbda190a231","target":"record","created_at":"2026-07-05T04:24:24Z","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":"218069613572f6e08cd75c925f52ca587d19ce15b5e422042bf7f46a8d774e27","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-12-20T19:07:59Z","title_canon_sha256":"3458c7762c3374b2e6e3132173e560ac3243e5161dca7e619174f2092dd1f201"},"schema_version":"1.0","source":{"id":"2112.10806","kind":"arxiv","version":1}},"canonical_sha256":"3178aa153c4539a28497cbb2f31d91607c87ce6d74d5053abe189c7efc213840","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3178aa153c4539a28497cbb2f31d91607c87ce6d74d5053abe189c7efc213840","first_computed_at":"2026-07-05T04:24:24.273841Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:24:24.273841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m8QY/TbzWpz0CXBKD+rd5g9SKNJCcxCJE6QHS5IJagplrMFGIFoFeamngS8EzRD/i8BcZeJf3AjxcaHfki5cBA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:24:24.274196Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.10806","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c97e3cf743578bf9a84ac970174fb50923a162a04cbee103bd65fbda190a231","sha256:55dcf4ab5992daf85c1d4d9da73b0a5b31333db35a4649cef32566e572680938"],"state_sha256":"83e18ef0253b0749a1b94611d2c806292199094ac303cbea00035f7acbde2c97"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0FeyOUv1NMLsHraU/JgBVkz68b14WcZsQvuFianqHiVrmNjzomzM5HC53/vW/jkY5u2xlv/VXkEtkqeFxBpVCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T10:37:39.490110Z","bundle_sha256":"bd860e3fc23aa249b54a9aa1f3579dc83c26845d686f766d0c39ff15ae5e5a2a"}}