{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:D7GGC4JBSH4LRZLGUS4YN2WLA7","short_pith_number":"pith:D7GGC4JB","canonical_record":{"source":{"id":"1801.07888","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-24T07:53:43Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"9cb5eecbf09df638becb1c40b046e487b4208445c22170699d6c62968abcd2f8","abstract_canon_sha256":"daff1c5e48017b7613b2f0eb7eeb2155dccb14f6e4790cb77474965c4d04522b"},"schema_version":"1.0"},"canonical_sha256":"1fcc61712191f8b8e566a4b986eacb07e2b4375e6ae0fc43e6b63cb9b775c284","source":{"kind":"arxiv","id":"1801.07888","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.07888","created_at":"2026-05-18T00:17:07Z"},{"alias_kind":"arxiv_version","alias_value":"1801.07888v1","created_at":"2026-05-18T00:17:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.07888","created_at":"2026-05-18T00:17:07Z"},{"alias_kind":"pith_short_12","alias_value":"D7GGC4JBSH4L","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"D7GGC4JBSH4LRZLG","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"D7GGC4JB","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:D7GGC4JBSH4LRZLGUS4YN2WLA7","target":"record","payload":{"canonical_record":{"source":{"id":"1801.07888","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-24T07:53:43Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"9cb5eecbf09df638becb1c40b046e487b4208445c22170699d6c62968abcd2f8","abstract_canon_sha256":"daff1c5e48017b7613b2f0eb7eeb2155dccb14f6e4790cb77474965c4d04522b"},"schema_version":"1.0"},"canonical_sha256":"1fcc61712191f8b8e566a4b986eacb07e2b4375e6ae0fc43e6b63cb9b775c284","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:07.541194Z","signature_b64":"G+fS2twE2uLoHqyp5Is2YBmrACeovgrOLNPEOVAUoq5W3/qJOHROX8cC+dyhfj+/NzgbyuCNy+pPL0HiipqyDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fcc61712191f8b8e566a4b986eacb07e2b4375e6ae0fc43e6b63cb9b775c284","last_reissued_at":"2026-05-18T00:17:07.540526Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:07.540526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.07888","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":"2026-05-18T00:17:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ulS7uuPEYkQwuPnGd6GRWa2eG0R0+qh8OEg6AiLRJ6vHTiYrJHZ7MEiCQoY5tpSmaN8xV/A4A9V1T1DzlY4iBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:23:03.972564Z"},"content_sha256":"45ff1cc0df0748b8a60442d9ede55d11eadcb791c786482bcb795be02a588d6b","schema_version":"1.0","event_id":"sha256:45ff1cc0df0748b8a60442d9ede55d11eadcb791c786482bcb795be02a588d6b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:D7GGC4JBSH4LRZLGUS4YN2WLA7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dicke model simulation via cavity-assisted Raman transitions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"A. L. Grimsmo, A. S. Parkins, Chern Hui Lee, K. J. Arnold, M. D. Barrett, Ravi Kumar, Stuart J. Masson, Zhang Zhiqiang","submitted_at":"2018-01-24T07:53:43Z","abstract_excerpt":"The Dicke model is of fundamental importance in quantum mechanics for understanding the collective behaviour of atoms coupled to a single electromagnetic mode. In this paper, we demonstrate a Dicke-model simulation using cavity-assisted Raman transitions in a configuration using counter-propagating laser beams. The observations indicate that motional effects should be included to fully account for the results and these results are contrasted with the experiments using single-beam and co-propagating configurations. A theoretical description is given that accounts for the beam geometries used in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.07888","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":"2026-05-18T00:17:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IhsBm1GWh25YA9dECnZPZvPlC2Lt989KM+OyFeU0qvWqLKKN4mIJPQYz3O7csIG/NJwbTczHn8LPY/Yq8QgQCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:23:03.973246Z"},"content_sha256":"a87576529c85f63472617eef18064490e9f4fbb2fb7cf1c3880c19eae5ec6d8d","schema_version":"1.0","event_id":"sha256:a87576529c85f63472617eef18064490e9f4fbb2fb7cf1c3880c19eae5ec6d8d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D7GGC4JBSH4LRZLGUS4YN2WLA7/bundle.json","state_url":"https://pith.science/pith/D7GGC4JBSH4LRZLGUS4YN2WLA7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D7GGC4JBSH4LRZLGUS4YN2WLA7/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":"2026-05-27T21:23:03Z","links":{"resolver":"https://pith.science/pith/D7GGC4JBSH4LRZLGUS4YN2WLA7","bundle":"https://pith.science/pith/D7GGC4JBSH4LRZLGUS4YN2WLA7/bundle.json","state":"https://pith.science/pith/D7GGC4JBSH4LRZLGUS4YN2WLA7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D7GGC4JBSH4LRZLGUS4YN2WLA7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:D7GGC4JBSH4LRZLGUS4YN2WLA7","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":"daff1c5e48017b7613b2f0eb7eeb2155dccb14f6e4790cb77474965c4d04522b","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-24T07:53:43Z","title_canon_sha256":"9cb5eecbf09df638becb1c40b046e487b4208445c22170699d6c62968abcd2f8"},"schema_version":"1.0","source":{"id":"1801.07888","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.07888","created_at":"2026-05-18T00:17:07Z"},{"alias_kind":"arxiv_version","alias_value":"1801.07888v1","created_at":"2026-05-18T00:17:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.07888","created_at":"2026-05-18T00:17:07Z"},{"alias_kind":"pith_short_12","alias_value":"D7GGC4JBSH4L","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"D7GGC4JBSH4LRZLG","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"D7GGC4JB","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:a87576529c85f63472617eef18064490e9f4fbb2fb7cf1c3880c19eae5ec6d8d","target":"graph","created_at":"2026-05-18T00:17:07Z","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":"The Dicke model is of fundamental importance in quantum mechanics for understanding the collective behaviour of atoms coupled to a single electromagnetic mode. In this paper, we demonstrate a Dicke-model simulation using cavity-assisted Raman transitions in a configuration using counter-propagating laser beams. The observations indicate that motional effects should be included to fully account for the results and these results are contrasted with the experiments using single-beam and co-propagating configurations. A theoretical description is given that accounts for the beam geometries used in","authors_text":"A. L. Grimsmo, A. S. Parkins, Chern Hui Lee, K. J. Arnold, M. D. Barrett, Ravi Kumar, Stuart J. Masson, Zhang Zhiqiang","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-24T07:53:43Z","title":"Dicke model simulation via cavity-assisted Raman transitions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.07888","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":"sha256:45ff1cc0df0748b8a60442d9ede55d11eadcb791c786482bcb795be02a588d6b","target":"record","created_at":"2026-05-18T00:17:07Z","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":"daff1c5e48017b7613b2f0eb7eeb2155dccb14f6e4790cb77474965c4d04522b","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-24T07:53:43Z","title_canon_sha256":"9cb5eecbf09df638becb1c40b046e487b4208445c22170699d6c62968abcd2f8"},"schema_version":"1.0","source":{"id":"1801.07888","kind":"arxiv","version":1}},"canonical_sha256":"1fcc61712191f8b8e566a4b986eacb07e2b4375e6ae0fc43e6b63cb9b775c284","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fcc61712191f8b8e566a4b986eacb07e2b4375e6ae0fc43e6b63cb9b775c284","first_computed_at":"2026-05-18T00:17:07.540526Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:07.540526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G+fS2twE2uLoHqyp5Is2YBmrACeovgrOLNPEOVAUoq5W3/qJOHROX8cC+dyhfj+/NzgbyuCNy+pPL0HiipqyDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:07.541194Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.07888","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:45ff1cc0df0748b8a60442d9ede55d11eadcb791c786482bcb795be02a588d6b","sha256:a87576529c85f63472617eef18064490e9f4fbb2fb7cf1c3880c19eae5ec6d8d"],"state_sha256":"4cd72482358ad2eae8fae46246de391a3839a7da5b35b493081fc89144a68ee7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ilSDxX2A46CxPrWQXzs/64nluOLfSqeKp6FO2jKB5J5+MyeBFPZrydflG7x3Tq+JeZxFAp6FKBxaGdWDiMZNCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T21:23:03.977171Z","bundle_sha256":"35e26e3d2f2f734f4371d75bb25f622f751e221f87adc99279aed65a8c64508d"}}