{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:4MRRL6DZAQVVXJNKDPVKSWNDY7","short_pith_number":"pith:4MRRL6DZ","canonical_record":{"source":{"id":"2102.02719","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-02-04T16:27:20Z","cross_cats_sorted":["cond-mat.quant-gas","physics.optics"],"title_canon_sha256":"6bbd4e6c24fbe4e764769e4cbc0c9fb97f72ea1ba84a9d9245df3be95e6e069d","abstract_canon_sha256":"cf47abee187788c4ab6e81ffd7da020927556f40323dfd546f56274804a5e467"},"schema_version":"1.0"},"canonical_sha256":"e32315f879042b5ba5aa1beaa959a3c7f66e0c995cccf82e7c9bdefe400fa72a","source":{"kind":"arxiv","id":"2102.02719","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.02719","created_at":"2026-07-05T03:18:14Z"},{"alias_kind":"arxiv_version","alias_value":"2102.02719v1","created_at":"2026-07-05T03:18:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.02719","created_at":"2026-07-05T03:18:14Z"},{"alias_kind":"pith_short_12","alias_value":"4MRRL6DZAQVV","created_at":"2026-07-05T03:18:14Z"},{"alias_kind":"pith_short_16","alias_value":"4MRRL6DZAQVVXJNK","created_at":"2026-07-05T03:18:14Z"},{"alias_kind":"pith_short_8","alias_value":"4MRRL6DZ","created_at":"2026-07-05T03:18:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:4MRRL6DZAQVVXJNKDPVKSWNDY7","target":"record","payload":{"canonical_record":{"source":{"id":"2102.02719","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-02-04T16:27:20Z","cross_cats_sorted":["cond-mat.quant-gas","physics.optics"],"title_canon_sha256":"6bbd4e6c24fbe4e764769e4cbc0c9fb97f72ea1ba84a9d9245df3be95e6e069d","abstract_canon_sha256":"cf47abee187788c4ab6e81ffd7da020927556f40323dfd546f56274804a5e467"},"schema_version":"1.0"},"canonical_sha256":"e32315f879042b5ba5aa1beaa959a3c7f66e0c995cccf82e7c9bdefe400fa72a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:18:14.397346Z","signature_b64":"ORqzVWHgjko+l11YJGGArNWWvNsXgUhmEHni6tT1WQa8Q2XN21BXttwx6t3uBQVcr32eff1XFJ+4vlX3UOWRDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e32315f879042b5ba5aa1beaa959a3c7f66e0c995cccf82e7c9bdefe400fa72a","last_reissued_at":"2026-07-05T03:18:14.396969Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:18:14.396969Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2102.02719","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":"2026-07-05T03:18:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ez9+dz/XC/tvq3/sBI3Ijbt33slHsPbivC5/G+Nk4p+bHHOSmFcmGhE3YHfNK4Oa42EjB9dVHiuCSM/LLQXuBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T14:27:25.377491Z"},"content_sha256":"2ebbbc59fb2eb630237420a1f45f2be7508156b6daa4df694ddda479fdf95516","schema_version":"1.0","event_id":"sha256:2ebbbc59fb2eb630237420a1f45f2be7508156b6daa4df694ddda479fdf95516"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:4MRRL6DZAQVVXJNKDPVKSWNDY7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamical phases and quantum correlations in an emitter-waveguide system with feedback","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","physics.optics"],"primary_cat":"quant-ph","authors_text":"Beatriz Olmos, Federico Carollo, Giuseppe Buonaiuto, Igor Lesanovsky","submitted_at":"2021-02-04T16:27:20Z","abstract_excerpt":"We investigate the creation and control of emergent collective behavior and quantum correlations using feedback in an emitter-waveguide system using a minimal model. Employing homodyne detection of photons emitted from a laser-driven emitter ensemble into the modes of a waveguide allows to generate intricate dynamical phases. In particular, we show the emergence of a time-crystal phase, the transition to which is controlled by the feedback strength. Feedback enables furthermore the control of many-body quantum correlations, which become manifest in spin squeezing in the emitter ensemble. Devel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.02719","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/2102.02719/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":"2026-07-05T03:18:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VjShhXIr/uDGgMDOimtrfTxXjINJCbMO0cYHQZ8GBUL6XT5Ax3C0o7GF5v/+4isV/LigAUmy32TBaJgOJN4lCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T14:27:25.377995Z"},"content_sha256":"cd881f14e251095e25ff0a0764fcff2a55ee5b26d51779a6ec0acd30ed5eb448","schema_version":"1.0","event_id":"sha256:cd881f14e251095e25ff0a0764fcff2a55ee5b26d51779a6ec0acd30ed5eb448"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4MRRL6DZAQVVXJNKDPVKSWNDY7/bundle.json","state_url":"https://pith.science/pith/4MRRL6DZAQVVXJNKDPVKSWNDY7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4MRRL6DZAQVVXJNKDPVKSWNDY7/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":"2026-08-16T14:27:25Z","links":{"resolver":"https://pith.science/pith/4MRRL6DZAQVVXJNKDPVKSWNDY7","bundle":"https://pith.science/pith/4MRRL6DZAQVVXJNKDPVKSWNDY7/bundle.json","state":"https://pith.science/pith/4MRRL6DZAQVVXJNKDPVKSWNDY7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4MRRL6DZAQVVXJNKDPVKSWNDY7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:4MRRL6DZAQVVXJNKDPVKSWNDY7","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":"cf47abee187788c4ab6e81ffd7da020927556f40323dfd546f56274804a5e467","cross_cats_sorted":["cond-mat.quant-gas","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-02-04T16:27:20Z","title_canon_sha256":"6bbd4e6c24fbe4e764769e4cbc0c9fb97f72ea1ba84a9d9245df3be95e6e069d"},"schema_version":"1.0","source":{"id":"2102.02719","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.02719","created_at":"2026-07-05T03:18:14Z"},{"alias_kind":"arxiv_version","alias_value":"2102.02719v1","created_at":"2026-07-05T03:18:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.02719","created_at":"2026-07-05T03:18:14Z"},{"alias_kind":"pith_short_12","alias_value":"4MRRL6DZAQVV","created_at":"2026-07-05T03:18:14Z"},{"alias_kind":"pith_short_16","alias_value":"4MRRL6DZAQVVXJNK","created_at":"2026-07-05T03:18:14Z"},{"alias_kind":"pith_short_8","alias_value":"4MRRL6DZ","created_at":"2026-07-05T03:18:14Z"}],"graph_snapshots":[{"event_id":"sha256:cd881f14e251095e25ff0a0764fcff2a55ee5b26d51779a6ec0acd30ed5eb448","target":"graph","created_at":"2026-07-05T03:18:14Z","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/2102.02719/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the creation and control of emergent collective behavior and quantum correlations using feedback in an emitter-waveguide system using a minimal model. Employing homodyne detection of photons emitted from a laser-driven emitter ensemble into the modes of a waveguide allows to generate intricate dynamical phases. In particular, we show the emergence of a time-crystal phase, the transition to which is controlled by the feedback strength. Feedback enables furthermore the control of many-body quantum correlations, which become manifest in spin squeezing in the emitter ensemble. Devel","authors_text":"Beatriz Olmos, Federico Carollo, Giuseppe Buonaiuto, Igor Lesanovsky","cross_cats":["cond-mat.quant-gas","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-02-04T16:27:20Z","title":"Dynamical phases and quantum correlations in an emitter-waveguide system with feedback"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.02719","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":"sha256:2ebbbc59fb2eb630237420a1f45f2be7508156b6daa4df694ddda479fdf95516","target":"record","created_at":"2026-07-05T03:18:14Z","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":"cf47abee187788c4ab6e81ffd7da020927556f40323dfd546f56274804a5e467","cross_cats_sorted":["cond-mat.quant-gas","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-02-04T16:27:20Z","title_canon_sha256":"6bbd4e6c24fbe4e764769e4cbc0c9fb97f72ea1ba84a9d9245df3be95e6e069d"},"schema_version":"1.0","source":{"id":"2102.02719","kind":"arxiv","version":1}},"canonical_sha256":"e32315f879042b5ba5aa1beaa959a3c7f66e0c995cccf82e7c9bdefe400fa72a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e32315f879042b5ba5aa1beaa959a3c7f66e0c995cccf82e7c9bdefe400fa72a","first_computed_at":"2026-07-05T03:18:14.396969Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:18:14.396969Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ORqzVWHgjko+l11YJGGArNWWvNsXgUhmEHni6tT1WQa8Q2XN21BXttwx6t3uBQVcr32eff1XFJ+4vlX3UOWRDA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:18:14.397346Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.02719","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ebbbc59fb2eb630237420a1f45f2be7508156b6daa4df694ddda479fdf95516","sha256:cd881f14e251095e25ff0a0764fcff2a55ee5b26d51779a6ec0acd30ed5eb448"],"state_sha256":"d51b0dc5a13c5f44981a6a7d9912355c168ed617068a1d580835b40a8fcd85f1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wM2ZS1mq9IDKWMoUaC2Dyss/qbseRK4ykEBeYJKwGgtzwf/Ki1Yr1KnTQRKlk+eM7fdG/JOZdmwoDKT0arLABQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T14:27:25.383464Z","bundle_sha256":"e8f1741dde78fc26171ec3d73ce1de5c27b388f1b89c582ecf1260a63c65b75d"}}