{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:WWCKL2S2T4CE2XYIQMHF2AOUYH","short_pith_number":"pith:WWCKL2S2","schema_version":"1.0","canonical_sha256":"b584a5ea5a9f044d5f08830e5d01d4c1cd8b47c06dba85111a59eb309bcd00c0","source":{"kind":"arxiv","id":"2601.05141","version":1},"attestation_state":"computed","paper":{"title":"Superluminal modes in a quantum field simulator for cosmology from analog Transplanckian physics","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"gr-qc","authors_text":"Christian F. Schmidt, Stefan Floerchinger","submitted_at":"2026-01-08T17:30:19Z","abstract_excerpt":"The quantum-field-theoretic description for the U(1)-Goldstone boson of a scalar Bose-Einstein condensate with time-dependent contact interactions is developed beyond the acoustic approximation in accordance with Bogoliubov theory. The resulting effective action is mapped to a relativistic quantum field theory on a dispersive (or rainbow) cosmological spacetime which has a superluminal Corley-Jacobson dispersion relation. Time-dependent changes of the s-wave scattering length to quantum-simulate cosmological particle production are accompanied by a time-dependent healing length that can be int"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2601.05141","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-01-08T17:30:19Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"274c480162f54577726ece997c7cfbfcbe0c636ca52f2f080aaffbde25bdb2cd","abstract_canon_sha256":"55a546ac96c616481f55e0289d807c4611c9aaaa753f22b84e278cbf7f22d201"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T02:05:39.621903Z","signature_b64":"n92SoDry+R7oIZMuwa1GZqKXdLuo16XZpOp6oB3z4Kk9/HQsC0QVoijxehBbpmqlSc/fQzDrv5xe1qpnbbFECw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b584a5ea5a9f044d5f08830e5d01d4c1cd8b47c06dba85111a59eb309bcd00c0","last_reissued_at":"2026-05-20T02:05:39.621071Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T02:05:39.621071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Superluminal modes in a quantum field simulator for cosmology from analog Transplanckian physics","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"gr-qc","authors_text":"Christian F. Schmidt, Stefan Floerchinger","submitted_at":"2026-01-08T17:30:19Z","abstract_excerpt":"The quantum-field-theoretic description for the U(1)-Goldstone boson of a scalar Bose-Einstein condensate with time-dependent contact interactions is developed beyond the acoustic approximation in accordance with Bogoliubov theory. The resulting effective action is mapped to a relativistic quantum field theory on a dispersive (or rainbow) cosmological spacetime which has a superluminal Corley-Jacobson dispersion relation. Time-dependent changes of the s-wave scattering length to quantum-simulate cosmological particle production are accompanied by a time-dependent healing length that can be int"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.05141","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2601.05141/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2601.05141","created_at":"2026-05-20T02:05:39.621193+00:00"},{"alias_kind":"arxiv_version","alias_value":"2601.05141v1","created_at":"2026-05-20T02:05:39.621193+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.05141","created_at":"2026-05-20T02:05:39.621193+00:00"},{"alias_kind":"pith_short_12","alias_value":"WWCKL2S2T4CE","created_at":"2026-05-20T02:05:39.621193+00:00"},{"alias_kind":"pith_short_16","alias_value":"WWCKL2S2T4CE2XYI","created_at":"2026-05-20T02:05:39.621193+00:00"},{"alias_kind":"pith_short_8","alias_value":"WWCKL2S2","created_at":"2026-05-20T02:05:39.621193+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WWCKL2S2T4CE2XYIQMHF2AOUYH","json":"https://pith.science/pith/WWCKL2S2T4CE2XYIQMHF2AOUYH.json","graph_json":"https://pith.science/api/pith-number/WWCKL2S2T4CE2XYIQMHF2AOUYH/graph.json","events_json":"https://pith.science/api/pith-number/WWCKL2S2T4CE2XYIQMHF2AOUYH/events.json","paper":"https://pith.science/paper/WWCKL2S2"},"agent_actions":{"view_html":"https://pith.science/pith/WWCKL2S2T4CE2XYIQMHF2AOUYH","download_json":"https://pith.science/pith/WWCKL2S2T4CE2XYIQMHF2AOUYH.json","view_paper":"https://pith.science/paper/WWCKL2S2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2601.05141&json=true","fetch_graph":"https://pith.science/api/pith-number/WWCKL2S2T4CE2XYIQMHF2AOUYH/graph.json","fetch_events":"https://pith.science/api/pith-number/WWCKL2S2T4CE2XYIQMHF2AOUYH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WWCKL2S2T4CE2XYIQMHF2AOUYH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WWCKL2S2T4CE2XYIQMHF2AOUYH/action/storage_attestation","attest_author":"https://pith.science/pith/WWCKL2S2T4CE2XYIQMHF2AOUYH/action/author_attestation","sign_citation":"https://pith.science/pith/WWCKL2S2T4CE2XYIQMHF2AOUYH/action/citation_signature","submit_replication":"https://pith.science/pith/WWCKL2S2T4CE2XYIQMHF2AOUYH/action/replication_record"}},"created_at":"2026-05-20T02:05:39.621193+00:00","updated_at":"2026-05-20T02:05:39.621193+00:00"}