{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:47QTSATSPGINIK47LUIMLRE2GD","short_pith_number":"pith:47QTSATS","canonical_record":{"source":{"id":"1406.1327","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-06-05T10:35:04Z","cross_cats_sorted":[],"title_canon_sha256":"545ebcc437086baf998f1a29abb6b5446cc86c3ff7ffb38ac71f527d2be7f6f4","abstract_canon_sha256":"53e65b43be55f03b5445908ded0f4b02e54861047d46edd8569a4ded543637bb"},"schema_version":"1.0"},"canonical_sha256":"e7e13902727990d42b9f5d10c5c49a30c02662f714490283990315cc8d635664","source":{"kind":"arxiv","id":"1406.1327","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.1327","created_at":"2026-05-18T02:42:47Z"},{"alias_kind":"arxiv_version","alias_value":"1406.1327v2","created_at":"2026-05-18T02:42:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.1327","created_at":"2026-05-18T02:42:47Z"},{"alias_kind":"pith_short_12","alias_value":"47QTSATSPGIN","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"47QTSATSPGINIK47","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"47QTSATS","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:47QTSATSPGINIK47LUIMLRE2GD","target":"record","payload":{"canonical_record":{"source":{"id":"1406.1327","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-06-05T10:35:04Z","cross_cats_sorted":[],"title_canon_sha256":"545ebcc437086baf998f1a29abb6b5446cc86c3ff7ffb38ac71f527d2be7f6f4","abstract_canon_sha256":"53e65b43be55f03b5445908ded0f4b02e54861047d46edd8569a4ded543637bb"},"schema_version":"1.0"},"canonical_sha256":"e7e13902727990d42b9f5d10c5c49a30c02662f714490283990315cc8d635664","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:42:47.555384Z","signature_b64":"bmVG6z5VXN/dkGl2bHSoRje4GQAkse9yKap7jExZM0ICk56/b6jI0jMs8quSOAskO79DPz9afPIbV7xgWHReBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e7e13902727990d42b9f5d10c5c49a30c02662f714490283990315cc8d635664","last_reissued_at":"2026-05-18T02:42:47.554908Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:42:47.554908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.1327","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":"2026-05-18T02:42:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U43ZUlSjcPaqb8naJeNSfbzz8CSTIIJMh/exkqxtXp6y5KxPeFKDj9n71miEZzFhSrUa1CGhe/RHI934U3WMBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T09:26:55.768792Z"},"content_sha256":"6a81ed912689d8cac2eda7c9055ca653b69f4d0ee510ad6ea44c56bc09156c1d","schema_version":"1.0","event_id":"sha256:6a81ed912689d8cac2eda7c9055ca653b69f4d0ee510ad6ea44c56bc09156c1d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:47QTSATSPGINIK47LUIMLRE2GD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Anisotropy in s-wave Bose-Einstein condensate collisions and its relationship to superradiance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Christoph I. Westbrook, Denis Boiron, Jean-Christophe Jaskula, Karen V. Kheruntsyan, Marie Bonneau, Piotr Deuar, Valentina Krachmalnicoff","submitted_at":"2014-06-05T10:35:04Z","abstract_excerpt":"We report the experimental realization of a single-species atomic four-wave mixing process with BEC collisions for which the angular distribution of scattered atom pairs is not isotropic, despite the collisions being in the $s$-wave regime. Theoretical analysis indicates that this anomalous behavior can be explained by the anisotropic nature of the gain in the medium. There are two competing anisotropic processes: classical trajectory deflections due to the mean-field potential, and Bose enhanced scattering which bears similarity to super-radiance. We analyse the relative importance of these p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.1327","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":""},"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":"2026-05-18T02:42:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZRfFwbKuCauxdYXt3UsjKoMj4DXQlp5pPOzzgnszBDBWkO21ZrsBFOOWKU9Nkc2GXdaRGi74Fo8RHWSR23KkBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T09:26:55.769458Z"},"content_sha256":"f3c218f29bccaf0dcf6ae6bccf4a66dc45995aa9f4f55d9edc4a6ac40a3ea227","schema_version":"1.0","event_id":"sha256:f3c218f29bccaf0dcf6ae6bccf4a66dc45995aa9f4f55d9edc4a6ac40a3ea227"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/47QTSATSPGINIK47LUIMLRE2GD/bundle.json","state_url":"https://pith.science/pith/47QTSATSPGINIK47LUIMLRE2GD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/47QTSATSPGINIK47LUIMLRE2GD/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":"2026-05-20T09:26:55Z","links":{"resolver":"https://pith.science/pith/47QTSATSPGINIK47LUIMLRE2GD","bundle":"https://pith.science/pith/47QTSATSPGINIK47LUIMLRE2GD/bundle.json","state":"https://pith.science/pith/47QTSATSPGINIK47LUIMLRE2GD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/47QTSATSPGINIK47LUIMLRE2GD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:47QTSATSPGINIK47LUIMLRE2GD","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":"53e65b43be55f03b5445908ded0f4b02e54861047d46edd8569a4ded543637bb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-06-05T10:35:04Z","title_canon_sha256":"545ebcc437086baf998f1a29abb6b5446cc86c3ff7ffb38ac71f527d2be7f6f4"},"schema_version":"1.0","source":{"id":"1406.1327","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.1327","created_at":"2026-05-18T02:42:47Z"},{"alias_kind":"arxiv_version","alias_value":"1406.1327v2","created_at":"2026-05-18T02:42:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.1327","created_at":"2026-05-18T02:42:47Z"},{"alias_kind":"pith_short_12","alias_value":"47QTSATSPGIN","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"47QTSATSPGINIK47","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"47QTSATS","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:f3c218f29bccaf0dcf6ae6bccf4a66dc45995aa9f4f55d9edc4a6ac40a3ea227","target":"graph","created_at":"2026-05-18T02:42:47Z","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":"We report the experimental realization of a single-species atomic four-wave mixing process with BEC collisions for which the angular distribution of scattered atom pairs is not isotropic, despite the collisions being in the $s$-wave regime. Theoretical analysis indicates that this anomalous behavior can be explained by the anisotropic nature of the gain in the medium. There are two competing anisotropic processes: classical trajectory deflections due to the mean-field potential, and Bose enhanced scattering which bears similarity to super-radiance. We analyse the relative importance of these p","authors_text":"Christoph I. Westbrook, Denis Boiron, Jean-Christophe Jaskula, Karen V. Kheruntsyan, Marie Bonneau, Piotr Deuar, Valentina Krachmalnicoff","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-06-05T10:35:04Z","title":"Anisotropy in s-wave Bose-Einstein condensate collisions and its relationship to superradiance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.1327","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":"sha256:6a81ed912689d8cac2eda7c9055ca653b69f4d0ee510ad6ea44c56bc09156c1d","target":"record","created_at":"2026-05-18T02:42:47Z","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":"53e65b43be55f03b5445908ded0f4b02e54861047d46edd8569a4ded543637bb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-06-05T10:35:04Z","title_canon_sha256":"545ebcc437086baf998f1a29abb6b5446cc86c3ff7ffb38ac71f527d2be7f6f4"},"schema_version":"1.0","source":{"id":"1406.1327","kind":"arxiv","version":2}},"canonical_sha256":"e7e13902727990d42b9f5d10c5c49a30c02662f714490283990315cc8d635664","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e7e13902727990d42b9f5d10c5c49a30c02662f714490283990315cc8d635664","first_computed_at":"2026-05-18T02:42:47.554908Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:42:47.554908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bmVG6z5VXN/dkGl2bHSoRje4GQAkse9yKap7jExZM0ICk56/b6jI0jMs8quSOAskO79DPz9afPIbV7xgWHReBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:42:47.555384Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.1327","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a81ed912689d8cac2eda7c9055ca653b69f4d0ee510ad6ea44c56bc09156c1d","sha256:f3c218f29bccaf0dcf6ae6bccf4a66dc45995aa9f4f55d9edc4a6ac40a3ea227"],"state_sha256":"ff97b0f1440ae2fd3baab73938e0880666aba05f9d07b6ecaab1c270d91247a1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9NBqBkgTdFOxJV4y6vN+1fY8F1wuFO7Ov1i/a2T9fShIFV5cosogVdVI9dkiwOTNMTNlnk5srx1Az1Ug/zIuBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T09:26:55.772513Z","bundle_sha256":"20bd07cff337e34c98e94a700d83003ace1c2f3e65fb4076b3852b658028e927"}}