{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:H7N6WUBSTJRCIZJWDRUJHJPTXD","short_pith_number":"pith:H7N6WUBS","canonical_record":{"source":{"id":"2201.10622","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-01-25T20:45:45Z","cross_cats_sorted":[],"title_canon_sha256":"62a934d28843ecd5ab628490571b908311a3bb52d040992354f04140e015ad1b","abstract_canon_sha256":"1f32398e07771f1d578f4f2b23c1fb4624cb32beb648290eeaf19b96a1189c98"},"schema_version":"1.0"},"canonical_sha256":"3fdbeb50329a622465361c6893a5f3b8ffa9641d29a1228b630f3a7dd2857fca","source":{"kind":"arxiv","id":"2201.10622","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.10622","created_at":"2026-07-05T04:45:00Z"},{"alias_kind":"arxiv_version","alias_value":"2201.10622v2","created_at":"2026-07-05T04:45:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.10622","created_at":"2026-07-05T04:45:00Z"},{"alias_kind":"pith_short_12","alias_value":"H7N6WUBSTJRC","created_at":"2026-07-05T04:45:00Z"},{"alias_kind":"pith_short_16","alias_value":"H7N6WUBSTJRCIZJW","created_at":"2026-07-05T04:45:00Z"},{"alias_kind":"pith_short_8","alias_value":"H7N6WUBS","created_at":"2026-07-05T04:45:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:H7N6WUBSTJRCIZJWDRUJHJPTXD","target":"record","payload":{"canonical_record":{"source":{"id":"2201.10622","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-01-25T20:45:45Z","cross_cats_sorted":[],"title_canon_sha256":"62a934d28843ecd5ab628490571b908311a3bb52d040992354f04140e015ad1b","abstract_canon_sha256":"1f32398e07771f1d578f4f2b23c1fb4624cb32beb648290eeaf19b96a1189c98"},"schema_version":"1.0"},"canonical_sha256":"3fdbeb50329a622465361c6893a5f3b8ffa9641d29a1228b630f3a7dd2857fca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:45:00.035417Z","signature_b64":"nQJC/gq2gA/02ey911TbOio3/ZATRQFDq1v6Chns1oHUwIjfSttjoshUm0fz3aOdTdVtgjf0d8ELsLa2tqefCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3fdbeb50329a622465361c6893a5f3b8ffa9641d29a1228b630f3a7dd2857fca","last_reissued_at":"2026-07-05T04:45:00.034928Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:45:00.034928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.10622","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:45:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GK4P3camo/LC9r55ieZbeg6Xr0e0xGJ1te4BgscedAICbp1S3Pb4NErlGSzsKcrvs5UyAqzQxwlpLRKfzveDBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T09:30:14.561785Z"},"content_sha256":"031a316aac3e931292c5c2245e2037a25224510f0b1ce9f840f0dc67e644b72c","schema_version":"1.0","event_id":"sha256:031a316aac3e931292c5c2245e2037a25224510f0b1ce9f840f0dc67e644b72c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:H7N6WUBSTJRCIZJWDRUJHJPTXD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fast generation of spin squeezing via resonant spin-boson coupling","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Ana Maria Rey, Diego Barberena, John J. Bollinger, Robert J. Lewis-Swan, Sean R. Muleady","submitted_at":"2022-01-25T20:45:45Z","abstract_excerpt":"We propose protocols for the creation of useful entangled states in a system of spins collectively coupled to a bosonic mode, directly applicable to trapped-ion and cavity QED setups. The protocols use coherent manipulations of the spin-boson interactions naturally arising in these systems to prepare spin squeezed states exponentially fast in time. We demonstrate the robustness of the protocols by analyzing the effects of natural sources of decoherence in these systems and show their advantage compared to more standard slower approaches where entanglement is generated algebraically with time."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.10622","kind":"arxiv","version":2},"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/2201.10622/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":"2026-07-05T04:45:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9QwwtXdm40O4sxCaGdTYnHmGreRLb7Mm2w1O24zif4Re9UxtoVd5C25Z8tUBrXwoy4PEyoFLJ+BacIeXHJvMDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T09:30:14.563444Z"},"content_sha256":"a36aa9fc20029ed0a28e37ec7dcfc80d7c61a4a34f7f36ea59ab12906993b8f7","schema_version":"1.0","event_id":"sha256:a36aa9fc20029ed0a28e37ec7dcfc80d7c61a4a34f7f36ea59ab12906993b8f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H7N6WUBSTJRCIZJWDRUJHJPTXD/bundle.json","state_url":"https://pith.science/pith/H7N6WUBSTJRCIZJWDRUJHJPTXD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H7N6WUBSTJRCIZJWDRUJHJPTXD/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":"2026-08-13T09:30:14Z","links":{"resolver":"https://pith.science/pith/H7N6WUBSTJRCIZJWDRUJHJPTXD","bundle":"https://pith.science/pith/H7N6WUBSTJRCIZJWDRUJHJPTXD/bundle.json","state":"https://pith.science/pith/H7N6WUBSTJRCIZJWDRUJHJPTXD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H7N6WUBSTJRCIZJWDRUJHJPTXD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:H7N6WUBSTJRCIZJWDRUJHJPTXD","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":"1f32398e07771f1d578f4f2b23c1fb4624cb32beb648290eeaf19b96a1189c98","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-01-25T20:45:45Z","title_canon_sha256":"62a934d28843ecd5ab628490571b908311a3bb52d040992354f04140e015ad1b"},"schema_version":"1.0","source":{"id":"2201.10622","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.10622","created_at":"2026-07-05T04:45:00Z"},{"alias_kind":"arxiv_version","alias_value":"2201.10622v2","created_at":"2026-07-05T04:45:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.10622","created_at":"2026-07-05T04:45:00Z"},{"alias_kind":"pith_short_12","alias_value":"H7N6WUBSTJRC","created_at":"2026-07-05T04:45:00Z"},{"alias_kind":"pith_short_16","alias_value":"H7N6WUBSTJRCIZJW","created_at":"2026-07-05T04:45:00Z"},{"alias_kind":"pith_short_8","alias_value":"H7N6WUBS","created_at":"2026-07-05T04:45:00Z"}],"graph_snapshots":[{"event_id":"sha256:a36aa9fc20029ed0a28e37ec7dcfc80d7c61a4a34f7f36ea59ab12906993b8f7","target":"graph","created_at":"2026-07-05T04:45:00Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2201.10622/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose protocols for the creation of useful entangled states in a system of spins collectively coupled to a bosonic mode, directly applicable to trapped-ion and cavity QED setups. The protocols use coherent manipulations of the spin-boson interactions naturally arising in these systems to prepare spin squeezed states exponentially fast in time. We demonstrate the robustness of the protocols by analyzing the effects of natural sources of decoherence in these systems and show their advantage compared to more standard slower approaches where entanglement is generated algebraically with time.","authors_text":"Ana Maria Rey, Diego Barberena, John J. Bollinger, Robert J. Lewis-Swan, Sean R. Muleady","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-01-25T20:45:45Z","title":"Fast generation of spin squeezing via resonant spin-boson coupling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.10622","kind":"arxiv","version":2},"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":"sha256:031a316aac3e931292c5c2245e2037a25224510f0b1ce9f840f0dc67e644b72c","target":"record","created_at":"2026-07-05T04:45:00Z","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":"1f32398e07771f1d578f4f2b23c1fb4624cb32beb648290eeaf19b96a1189c98","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-01-25T20:45:45Z","title_canon_sha256":"62a934d28843ecd5ab628490571b908311a3bb52d040992354f04140e015ad1b"},"schema_version":"1.0","source":{"id":"2201.10622","kind":"arxiv","version":2}},"canonical_sha256":"3fdbeb50329a622465361c6893a5f3b8ffa9641d29a1228b630f3a7dd2857fca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3fdbeb50329a622465361c6893a5f3b8ffa9641d29a1228b630f3a7dd2857fca","first_computed_at":"2026-07-05T04:45:00.034928Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:45:00.034928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nQJC/gq2gA/02ey911TbOio3/ZATRQFDq1v6Chns1oHUwIjfSttjoshUm0fz3aOdTdVtgjf0d8ELsLa2tqefCg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:45:00.035417Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.10622","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:031a316aac3e931292c5c2245e2037a25224510f0b1ce9f840f0dc67e644b72c","sha256:a36aa9fc20029ed0a28e37ec7dcfc80d7c61a4a34f7f36ea59ab12906993b8f7"],"state_sha256":"6b581a816c62c11c71ffd5e5c356de3cd97d844042e6a648766737402ce72dcb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ja1BhzE2wmbf75G9y2B0hzjk5Z8eGYrVxIkw5s94VqXEg0JczZds8fISqeMTnCCHtksfkiGpFXi6yi2X38Z4Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T09:30:14.572298Z","bundle_sha256":"f69167a12e90c525e4cd24671b3632160d66185a9dd98ee371931dcd124b459d"}}