{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:KNEFRGRAGCY2BJK3645HCIINVL","short_pith_number":"pith:KNEFRGRA","canonical_record":{"source":{"id":"0911.0229","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2009-11-02T03:23:16Z","cross_cats_sorted":[],"title_canon_sha256":"9b0a04a6a99be3fa07efc7d9e3e72f9e5ce535d46331ded433367956f368e6b5","abstract_canon_sha256":"dc552fc6764858777ca35e9c6add1931127126111e3653dcd39214e5a18340d1"},"schema_version":"1.0"},"canonical_sha256":"5348589a2030b1a0a55bf73a71210daacb6fb580b05af7eebaf7682ed9fb90c8","source":{"kind":"arxiv","id":"0911.0229","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.0229","created_at":"2026-05-18T02:11:00Z"},{"alias_kind":"arxiv_version","alias_value":"0911.0229v1","created_at":"2026-05-18T02:11:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.0229","created_at":"2026-05-18T02:11:00Z"},{"alias_kind":"pith_short_12","alias_value":"KNEFRGRAGCY2","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"KNEFRGRAGCY2BJK3","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"KNEFRGRA","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:KNEFRGRAGCY2BJK3645HCIINVL","target":"record","payload":{"canonical_record":{"source":{"id":"0911.0229","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2009-11-02T03:23:16Z","cross_cats_sorted":[],"title_canon_sha256":"9b0a04a6a99be3fa07efc7d9e3e72f9e5ce535d46331ded433367956f368e6b5","abstract_canon_sha256":"dc552fc6764858777ca35e9c6add1931127126111e3653dcd39214e5a18340d1"},"schema_version":"1.0"},"canonical_sha256":"5348589a2030b1a0a55bf73a71210daacb6fb580b05af7eebaf7682ed9fb90c8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:00.846253Z","signature_b64":"IIfhf2Fy0mxDOEU2Bcrv+5XfgGVq1Sjw5gdCR4fU4s7jpECK5PCCQbMwsP8VmwdjN9bbAXWch443skxHM0JkCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5348589a2030b1a0a55bf73a71210daacb6fb580b05af7eebaf7682ed9fb90c8","last_reissued_at":"2026-05-18T02:11:00.845424Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:00.845424Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0911.0229","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":"2026-05-18T02:11:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PHzrQa7zIvv2JmuZe98kUSwS/uKDprPkox6g0dkt3EWElkARH3ZodYd5p2wS7rfx7r9Dr8LKS3uPZSfGfgGsDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T16:08:00.975990Z"},"content_sha256":"d5eb7ec0b67440f8d583d9d938e1ed1d0acea33b2c2cf1a0a0b82b4194e75100","schema_version":"1.0","event_id":"sha256:d5eb7ec0b67440f8d583d9d938e1ed1d0acea33b2c2cf1a0a0b82b4194e75100"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:KNEFRGRAGCY2BJK3645HCIINVL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"TheqQuantum acousto optic effect in Bose-Einstein condensate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Aranya B Bhattacherjee","submitted_at":"2009-11-02T03:23:16Z","abstract_excerpt":"We investigate the interaction between a single mode light field and an elongated cigar shaped Bose-Einstein condensate (BEC), subject to a temporal modulation of the trap frequency in the tight confinement direction. Under appropriate conditions, the longitudinal sound like waves (Faraday waves) in the direction of weak confinement acts as a dynamic diffraction grating for the incident light field analogous to the acousto-optic effect in classical optics. The change in the refractive index due to the periodic modulation of the BEC density is responsible for the acousto-optic effect. The dynam"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.0229","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":"2026-05-18T02:11:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CD+FkM+/8/aZeBRDzhUVKYRIO2+JHUaW5zT4xQwjq5g6F9AJT0SbQIif2f754pwyYvpm2Xi1CpJKbrIVjb6pCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T16:08:00.976343Z"},"content_sha256":"cc3fc4a78a743bc7a26b9da99087aef9a9edcb70d5493ceca89e3c448a9e6fae","schema_version":"1.0","event_id":"sha256:cc3fc4a78a743bc7a26b9da99087aef9a9edcb70d5493ceca89e3c448a9e6fae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KNEFRGRAGCY2BJK3645HCIINVL/bundle.json","state_url":"https://pith.science/pith/KNEFRGRAGCY2BJK3645HCIINVL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KNEFRGRAGCY2BJK3645HCIINVL/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":"2026-06-03T16:08:00Z","links":{"resolver":"https://pith.science/pith/KNEFRGRAGCY2BJK3645HCIINVL","bundle":"https://pith.science/pith/KNEFRGRAGCY2BJK3645HCIINVL/bundle.json","state":"https://pith.science/pith/KNEFRGRAGCY2BJK3645HCIINVL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KNEFRGRAGCY2BJK3645HCIINVL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:KNEFRGRAGCY2BJK3645HCIINVL","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":"dc552fc6764858777ca35e9c6add1931127126111e3653dcd39214e5a18340d1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2009-11-02T03:23:16Z","title_canon_sha256":"9b0a04a6a99be3fa07efc7d9e3e72f9e5ce535d46331ded433367956f368e6b5"},"schema_version":"1.0","source":{"id":"0911.0229","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.0229","created_at":"2026-05-18T02:11:00Z"},{"alias_kind":"arxiv_version","alias_value":"0911.0229v1","created_at":"2026-05-18T02:11:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.0229","created_at":"2026-05-18T02:11:00Z"},{"alias_kind":"pith_short_12","alias_value":"KNEFRGRAGCY2","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"KNEFRGRAGCY2BJK3","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"KNEFRGRA","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:cc3fc4a78a743bc7a26b9da99087aef9a9edcb70d5493ceca89e3c448a9e6fae","target":"graph","created_at":"2026-05-18T02:11:00Z","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"},"paper":{"abstract_excerpt":"We investigate the interaction between a single mode light field and an elongated cigar shaped Bose-Einstein condensate (BEC), subject to a temporal modulation of the trap frequency in the tight confinement direction. Under appropriate conditions, the longitudinal sound like waves (Faraday waves) in the direction of weak confinement acts as a dynamic diffraction grating for the incident light field analogous to the acousto-optic effect in classical optics. The change in the refractive index due to the periodic modulation of the BEC density is responsible for the acousto-optic effect. The dynam","authors_text":"Aranya B Bhattacherjee","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2009-11-02T03:23:16Z","title":"TheqQuantum acousto optic effect in Bose-Einstein condensate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.0229","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:d5eb7ec0b67440f8d583d9d938e1ed1d0acea33b2c2cf1a0a0b82b4194e75100","target":"record","created_at":"2026-05-18T02:11:00Z","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":"dc552fc6764858777ca35e9c6add1931127126111e3653dcd39214e5a18340d1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2009-11-02T03:23:16Z","title_canon_sha256":"9b0a04a6a99be3fa07efc7d9e3e72f9e5ce535d46331ded433367956f368e6b5"},"schema_version":"1.0","source":{"id":"0911.0229","kind":"arxiv","version":1}},"canonical_sha256":"5348589a2030b1a0a55bf73a71210daacb6fb580b05af7eebaf7682ed9fb90c8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5348589a2030b1a0a55bf73a71210daacb6fb580b05af7eebaf7682ed9fb90c8","first_computed_at":"2026-05-18T02:11:00.845424Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:00.845424Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IIfhf2Fy0mxDOEU2Bcrv+5XfgGVq1Sjw5gdCR4fU4s7jpECK5PCCQbMwsP8VmwdjN9bbAXWch443skxHM0JkCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:00.846253Z","signed_message":"canonical_sha256_bytes"},"source_id":"0911.0229","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d5eb7ec0b67440f8d583d9d938e1ed1d0acea33b2c2cf1a0a0b82b4194e75100","sha256:cc3fc4a78a743bc7a26b9da99087aef9a9edcb70d5493ceca89e3c448a9e6fae"],"state_sha256":"20001fa53b4fc5d3334bdb8d258d82c1f343c2f456f96a0977ba25793d1abc74"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WbnmeuxmhEADmsj1p5k7TEDztpy+6LpJ09L+AjRxbRP8i7CKiGPTWhBiQZTI3qKcjTJQgqB0NbGApgquJD61CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T16:08:00.978157Z","bundle_sha256":"d8cca78bbeb5a1fc972ad02df727587ad10b8a917eefb6691a0feffa34209053"}}