{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:QVYVSUFNY7GRTJZ5X4QO6GZIJG","short_pith_number":"pith:QVYVSUFN","canonical_record":{"source":{"id":"0811.2030","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-11-13T04:51:43Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"d4811b0a7477521661c41f98d9d704322302da80d442506b42407ad1b651d342","abstract_canon_sha256":"8ae241ee6eca15a271aba1f7f260b4a4fc15f10d3519ef80d16c7b010e04bf8a"},"schema_version":"1.0"},"canonical_sha256":"85715950adc7cd19a73dbf20ef1b2849ace2c696253f45f513457b176e19e853","source":{"kind":"arxiv","id":"0811.2030","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.2030","created_at":"2026-05-18T02:15:21Z"},{"alias_kind":"arxiv_version","alias_value":"0811.2030v2","created_at":"2026-05-18T02:15:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.2030","created_at":"2026-05-18T02:15:21Z"},{"alias_kind":"pith_short_12","alias_value":"QVYVSUFNY7GR","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"QVYVSUFNY7GRTJZ5","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"QVYVSUFN","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:QVYVSUFNY7GRTJZ5X4QO6GZIJG","target":"record","payload":{"canonical_record":{"source":{"id":"0811.2030","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-11-13T04:51:43Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"d4811b0a7477521661c41f98d9d704322302da80d442506b42407ad1b651d342","abstract_canon_sha256":"8ae241ee6eca15a271aba1f7f260b4a4fc15f10d3519ef80d16c7b010e04bf8a"},"schema_version":"1.0"},"canonical_sha256":"85715950adc7cd19a73dbf20ef1b2849ace2c696253f45f513457b176e19e853","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:21.310936Z","signature_b64":"UN3KbOOXSME9umUTu80wrFQzMtYAMdaFU4qn9e4ErqWcNumC5eU5SsXubYlGjDOq7gJCRJ1cjiiT+JTrDvECBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85715950adc7cd19a73dbf20ef1b2849ace2c696253f45f513457b176e19e853","last_reissued_at":"2026-05-18T02:15:21.310245Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:21.310245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0811.2030","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":"2026-05-18T02:15:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rp4rAJB3ztrBEIRoFwv1PMtbJIaJ3OWXYeOXSxCA9woj+hFCRLc9OcEaVAGbk9xbxx9oS0ZNdRB2F+fOgRcYBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:13:56.376041Z"},"content_sha256":"68d8b582ac899c3fe236d32ddc1d7747631b27f498211d0fa657a07b717c9b04","schema_version":"1.0","event_id":"sha256:68d8b582ac899c3fe236d32ddc1d7747631b27f498211d0fa657a07b717c9b04"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:QVYVSUFNY7GRTJZ5X4QO6GZIJG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A comparative study of dynamical simulation methods for the dissociation of molecular Bose-Einstein condensates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"quant-ph","authors_text":"K. V. Kheruntsyan, M. J. Davis, M. K. Olsen, S. L. W. Midgley, S. Wuester","submitted_at":"2008-11-13T04:51:43Z","abstract_excerpt":"We describe a pairing mean-field theory related to the Hartree-Fock-Bogoliubov approach, and apply it to the dynamics of dissociation of a molecular Bose-Einstein condensate (BEC) into correlated bosonic atom pairs. We also perform the same simulation using two stochastic phase-space techniques for quantum dynamics -- the positive P-representation method and the truncated Wigner method. By comparing the results of our calculations we are able to assess the relative strength of these theoretical techniques in describing molecular dissociation in one spatial dimension. An important aspect of our"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.2030","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":"2026-05-18T02:15:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OJtITNtG5dQF5RFJaxm5BYpoLVt7TLv93mt0XbctZ2Szrl9MLXrcKn3Qkuu7ttv3Hm2aucNrrGqvFHOSlCdxDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:13:56.376405Z"},"content_sha256":"dec6225e4ced51c0fb7cf8b7b9257877c0c435baeb6f69c70903234505d26c2d","schema_version":"1.0","event_id":"sha256:dec6225e4ced51c0fb7cf8b7b9257877c0c435baeb6f69c70903234505d26c2d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QVYVSUFNY7GRTJZ5X4QO6GZIJG/bundle.json","state_url":"https://pith.science/pith/QVYVSUFNY7GRTJZ5X4QO6GZIJG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QVYVSUFNY7GRTJZ5X4QO6GZIJG/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":"2026-05-27T13:13:56Z","links":{"resolver":"https://pith.science/pith/QVYVSUFNY7GRTJZ5X4QO6GZIJG","bundle":"https://pith.science/pith/QVYVSUFNY7GRTJZ5X4QO6GZIJG/bundle.json","state":"https://pith.science/pith/QVYVSUFNY7GRTJZ5X4QO6GZIJG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QVYVSUFNY7GRTJZ5X4QO6GZIJG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:QVYVSUFNY7GRTJZ5X4QO6GZIJG","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":"8ae241ee6eca15a271aba1f7f260b4a4fc15f10d3519ef80d16c7b010e04bf8a","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-11-13T04:51:43Z","title_canon_sha256":"d4811b0a7477521661c41f98d9d704322302da80d442506b42407ad1b651d342"},"schema_version":"1.0","source":{"id":"0811.2030","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.2030","created_at":"2026-05-18T02:15:21Z"},{"alias_kind":"arxiv_version","alias_value":"0811.2030v2","created_at":"2026-05-18T02:15:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.2030","created_at":"2026-05-18T02:15:21Z"},{"alias_kind":"pith_short_12","alias_value":"QVYVSUFNY7GR","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"QVYVSUFNY7GRTJZ5","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"QVYVSUFN","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:dec6225e4ced51c0fb7cf8b7b9257877c0c435baeb6f69c70903234505d26c2d","target":"graph","created_at":"2026-05-18T02:15:21Z","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 describe a pairing mean-field theory related to the Hartree-Fock-Bogoliubov approach, and apply it to the dynamics of dissociation of a molecular Bose-Einstein condensate (BEC) into correlated bosonic atom pairs. We also perform the same simulation using two stochastic phase-space techniques for quantum dynamics -- the positive P-representation method and the truncated Wigner method. By comparing the results of our calculations we are able to assess the relative strength of these theoretical techniques in describing molecular dissociation in one spatial dimension. An important aspect of our","authors_text":"K. V. Kheruntsyan, M. J. Davis, M. K. Olsen, S. L. W. Midgley, S. Wuester","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-11-13T04:51:43Z","title":"A comparative study of dynamical simulation methods for the dissociation of molecular Bose-Einstein condensates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.2030","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":"sha256:68d8b582ac899c3fe236d32ddc1d7747631b27f498211d0fa657a07b717c9b04","target":"record","created_at":"2026-05-18T02:15:21Z","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":"8ae241ee6eca15a271aba1f7f260b4a4fc15f10d3519ef80d16c7b010e04bf8a","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-11-13T04:51:43Z","title_canon_sha256":"d4811b0a7477521661c41f98d9d704322302da80d442506b42407ad1b651d342"},"schema_version":"1.0","source":{"id":"0811.2030","kind":"arxiv","version":2}},"canonical_sha256":"85715950adc7cd19a73dbf20ef1b2849ace2c696253f45f513457b176e19e853","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"85715950adc7cd19a73dbf20ef1b2849ace2c696253f45f513457b176e19e853","first_computed_at":"2026-05-18T02:15:21.310245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:21.310245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UN3KbOOXSME9umUTu80wrFQzMtYAMdaFU4qn9e4ErqWcNumC5eU5SsXubYlGjDOq7gJCRJ1cjiiT+JTrDvECBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:21.310936Z","signed_message":"canonical_sha256_bytes"},"source_id":"0811.2030","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68d8b582ac899c3fe236d32ddc1d7747631b27f498211d0fa657a07b717c9b04","sha256:dec6225e4ced51c0fb7cf8b7b9257877c0c435baeb6f69c70903234505d26c2d"],"state_sha256":"ef89621b1067e3f6261cea9629f63144843139e6f31a60eedcb59ce06bcb1dd4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1/WJaMxlsJrI/qln8t6fVVF8J2gVqAkYpR/Vl8C1W+7KJo1uErAs1ZF3LXCQAoEnHr3vM1to/XPpRbedfsKIAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T13:13:56.378740Z","bundle_sha256":"5be0d11259ce35c3c00bbb681ae039b2397669d1f0bb04752a5fb91477ffcf63"}}