{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:MJKUJZA6Z7UM2DDLRSQATKD4FQ","short_pith_number":"pith:MJKUJZA6","canonical_record":{"source":{"id":"1201.3240","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-01-16T13:00:20Z","cross_cats_sorted":["physics.optics","quant-ph"],"title_canon_sha256":"e1eff6892a0912ec791040430b57ab9d2316201a9614d142c00ab8e0e8e232e8","abstract_canon_sha256":"588b8990e24a253594a1152e7e31cce391bd88a8a5105566f37ed8877dd3e5af"},"schema_version":"1.0"},"canonical_sha256":"625544e41ecfe8cd0c6b8ca009a87c2c037298e0fd4875265e1f591e41831b45","source":{"kind":"arxiv","id":"1201.3240","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.3240","created_at":"2026-05-18T04:04:31Z"},{"alias_kind":"arxiv_version","alias_value":"1201.3240v1","created_at":"2026-05-18T04:04:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.3240","created_at":"2026-05-18T04:04:31Z"},{"alias_kind":"pith_short_12","alias_value":"MJKUJZA6Z7UM","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MJKUJZA6Z7UM2DDL","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MJKUJZA6","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:MJKUJZA6Z7UM2DDLRSQATKD4FQ","target":"record","payload":{"canonical_record":{"source":{"id":"1201.3240","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-01-16T13:00:20Z","cross_cats_sorted":["physics.optics","quant-ph"],"title_canon_sha256":"e1eff6892a0912ec791040430b57ab9d2316201a9614d142c00ab8e0e8e232e8","abstract_canon_sha256":"588b8990e24a253594a1152e7e31cce391bd88a8a5105566f37ed8877dd3e5af"},"schema_version":"1.0"},"canonical_sha256":"625544e41ecfe8cd0c6b8ca009a87c2c037298e0fd4875265e1f591e41831b45","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:04:31.820225Z","signature_b64":"uzINytJvA3KRDTvCQESI1nT1i1VwLm+kwuRzUIBBktR5asN+4F5wa6QzosPtWgVC9o0lvaAC3fHIwPACleY4Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"625544e41ecfe8cd0c6b8ca009a87c2c037298e0fd4875265e1f591e41831b45","last_reissued_at":"2026-05-18T04:04:31.819597Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:04:31.819597Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.3240","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":"2026-05-18T04:04:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sOqKi7hAvqvKFuOBgMIetoUf4a5lwn04Hk9NJCF+iQ/pLdjjavGOi07fXLOu7H9MQWW8mJPs6Pv63IH5rvtHAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:38:02.120139Z"},"content_sha256":"af7e502841b8185d78169f5c2193134fd9f837c570164f7c88880d456824f240","schema_version":"1.0","event_id":"sha256:af7e502841b8185d78169f5c2193134fd9f837c570164f7c88880d456824f240"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:MJKUJZA6Z7UM2DDLRSQATKD4FQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Atom and photon measurement in cooperative scattering by cold atoms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics","quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Daniele Bigerni, Marco Petruzzo, Nicola Piovella, Robin Kaiser, Tom Bienaime","submitted_at":"2012-01-16T13:00:20Z","abstract_excerpt":"In this paper, we study cooperative scattering of low intensity light by a cloud of N two-level systems. We include the incident laser field driving these two-level systems and compute the radiation pressure force on the center of mass of the cloud. This signature is of particular interest for experiments with laser cooled atoms. Including the complex coupling between dipoles in a scalar model for dilute clouds of two-level systems, we obtain expression for cooperative scattering forces taking into account the collective Lamb shift. We also derive the expression of the radiation pressure force"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.3240","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":"2026-05-18T04:04:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xeg/JkURgS1pAKGYXAvytZ8S0oAGRMaoehxAE/ZZbha9cLe3lgdtjA0v20WKLIFC5YAtgriALk4PztaKYf/+CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:38:02.120511Z"},"content_sha256":"206f53c831c176452e005a80e437ae0fd82acb58300431e8eaa299d8d29a9c82","schema_version":"1.0","event_id":"sha256:206f53c831c176452e005a80e437ae0fd82acb58300431e8eaa299d8d29a9c82"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MJKUJZA6Z7UM2DDLRSQATKD4FQ/bundle.json","state_url":"https://pith.science/pith/MJKUJZA6Z7UM2DDLRSQATKD4FQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MJKUJZA6Z7UM2DDLRSQATKD4FQ/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":"2026-05-27T00:38:02Z","links":{"resolver":"https://pith.science/pith/MJKUJZA6Z7UM2DDLRSQATKD4FQ","bundle":"https://pith.science/pith/MJKUJZA6Z7UM2DDLRSQATKD4FQ/bundle.json","state":"https://pith.science/pith/MJKUJZA6Z7UM2DDLRSQATKD4FQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MJKUJZA6Z7UM2DDLRSQATKD4FQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:MJKUJZA6Z7UM2DDLRSQATKD4FQ","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":"588b8990e24a253594a1152e7e31cce391bd88a8a5105566f37ed8877dd3e5af","cross_cats_sorted":["physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-01-16T13:00:20Z","title_canon_sha256":"e1eff6892a0912ec791040430b57ab9d2316201a9614d142c00ab8e0e8e232e8"},"schema_version":"1.0","source":{"id":"1201.3240","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.3240","created_at":"2026-05-18T04:04:31Z"},{"alias_kind":"arxiv_version","alias_value":"1201.3240v1","created_at":"2026-05-18T04:04:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.3240","created_at":"2026-05-18T04:04:31Z"},{"alias_kind":"pith_short_12","alias_value":"MJKUJZA6Z7UM","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MJKUJZA6Z7UM2DDL","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MJKUJZA6","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:206f53c831c176452e005a80e437ae0fd82acb58300431e8eaa299d8d29a9c82","target":"graph","created_at":"2026-05-18T04:04:31Z","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":"In this paper, we study cooperative scattering of low intensity light by a cloud of N two-level systems. We include the incident laser field driving these two-level systems and compute the radiation pressure force on the center of mass of the cloud. This signature is of particular interest for experiments with laser cooled atoms. Including the complex coupling between dipoles in a scalar model for dilute clouds of two-level systems, we obtain expression for cooperative scattering forces taking into account the collective Lamb shift. We also derive the expression of the radiation pressure force","authors_text":"Daniele Bigerni, Marco Petruzzo, Nicola Piovella, Robin Kaiser, Tom Bienaime","cross_cats":["physics.optics","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-01-16T13:00:20Z","title":"Atom and photon measurement in cooperative scattering by cold atoms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.3240","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:af7e502841b8185d78169f5c2193134fd9f837c570164f7c88880d456824f240","target":"record","created_at":"2026-05-18T04:04:31Z","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":"588b8990e24a253594a1152e7e31cce391bd88a8a5105566f37ed8877dd3e5af","cross_cats_sorted":["physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-01-16T13:00:20Z","title_canon_sha256":"e1eff6892a0912ec791040430b57ab9d2316201a9614d142c00ab8e0e8e232e8"},"schema_version":"1.0","source":{"id":"1201.3240","kind":"arxiv","version":1}},"canonical_sha256":"625544e41ecfe8cd0c6b8ca009a87c2c037298e0fd4875265e1f591e41831b45","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"625544e41ecfe8cd0c6b8ca009a87c2c037298e0fd4875265e1f591e41831b45","first_computed_at":"2026-05-18T04:04:31.819597Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:04:31.819597Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uzINytJvA3KRDTvCQESI1nT1i1VwLm+kwuRzUIBBktR5asN+4F5wa6QzosPtWgVC9o0lvaAC3fHIwPACleY4Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:04:31.820225Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.3240","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af7e502841b8185d78169f5c2193134fd9f837c570164f7c88880d456824f240","sha256:206f53c831c176452e005a80e437ae0fd82acb58300431e8eaa299d8d29a9c82"],"state_sha256":"1beefe3fabbd30f924ffd681016f5d596574cfdd4cb53ca9bd33969839a53ecd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U+lxzJX5gKfshGacrx9LLKIr+g2fRKL0oOgVRCGuc4TZeNbVBtdvNfLLvJ8Rr+MhozC985FMriyDJK9JYmC7Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T00:38:02.122784Z","bundle_sha256":"3e3be70523a33ee45ab09c8efd1fb6499d585fee5f1990ebe04310920f66c619"}}