{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:JQ6SC4DKAYTXTKO4RVX4NDZVK2","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":"ae935b5f9c7f4307bc94d033a406b5d2c691de5ca07f81a6b58c416bc2369903","cross_cats_sorted":["cond-mat.quant-gas","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-01-10T10:40:56Z","title_canon_sha256":"ab748e6f938d7db20d495faffc9a4454ecb5036ac14cf792c51b75b12ce60f72"},"schema_version":"1.0","source":{"id":"1301.2077","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.2077","created_at":"2026-05-18T03:36:47Z"},{"alias_kind":"arxiv_version","alias_value":"1301.2077v1","created_at":"2026-05-18T03:36:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.2077","created_at":"2026-05-18T03:36:47Z"},{"alias_kind":"pith_short_12","alias_value":"JQ6SC4DKAYTX","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"JQ6SC4DKAYTXTKO4","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"JQ6SC4DK","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:cdf8bed95cc1665b917871e8948ff05b75ae53553e0f0de01fe8721c54177aec","target":"graph","created_at":"2026-05-18T03:36:47Z","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":"Bogoliubov pseudoparticle creation in a BEC undergoing a WH like flow is investigated analytically in the case of a one dimensional geometry with stepwise homogeneous regions. Comparison of the results with those corresponding to a BH flow is performed. The implications for the analogous gravitational problem is discussed.","authors_text":"Alessandro Fabbri, Carlos Mayoral, Roberto Balbinot","cross_cats":["cond-mat.quant-gas","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-01-10T10:40:56Z","title":"Hawking effect in BECs acoustic white holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.2077","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":"sha256:2e38fded4081b3347db05e6951a0edcda32964af9ba3e57f0e11d79564f27d22","target":"record","created_at":"2026-05-18T03:36:47Z","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":"ae935b5f9c7f4307bc94d033a406b5d2c691de5ca07f81a6b58c416bc2369903","cross_cats_sorted":["cond-mat.quant-gas","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-01-10T10:40:56Z","title_canon_sha256":"ab748e6f938d7db20d495faffc9a4454ecb5036ac14cf792c51b75b12ce60f72"},"schema_version":"1.0","source":{"id":"1301.2077","kind":"arxiv","version":1}},"canonical_sha256":"4c3d21706a062779a9dc8d6fc68f355696b31713341bbcc7734ebcbee3b2f9e6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c3d21706a062779a9dc8d6fc68f355696b31713341bbcc7734ebcbee3b2f9e6","first_computed_at":"2026-05-18T03:36:47.516905Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:36:47.516905Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kg/ItwiDjk7npl/QVWJQx+sdJ1wDK2AuwVwiYpaIqb8U35fVrjZ4ZkdNw3QAgXtiiUzl0uPksTXaSctZgAHWBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:36:47.517298Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.2077","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2e38fded4081b3347db05e6951a0edcda32964af9ba3e57f0e11d79564f27d22","sha256:cdf8bed95cc1665b917871e8948ff05b75ae53553e0f0de01fe8721c54177aec"],"state_sha256":"37d28dde8f8019d6b5e26c50439c09575218d26ba554305a48362b08557cd4b7"}