{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:AOBO4UZ5DEQ6FPHY7MUVDMJLVJ","short_pith_number":"pith:AOBO4UZ5","canonical_record":{"source":{"id":"2406.08094","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-06-12T11:18:30Z","cross_cats_sorted":["cond-mat.quant-gas","hep-th"],"title_canon_sha256":"e25d25edab43c80cfb5934acc4c40414452c5c3ca77126f65b314d589f96cf70","abstract_canon_sha256":"6a233117f8a422d5e2918f846b91c4fcc17c294261afdef6c6eae0c9029019c6"},"schema_version":"1.0"},"canonical_sha256":"0382ee533d1921e2bcf8fb2951b12baa6188ec8dde568511a4ed8f3df75c9f84","source":{"kind":"arxiv","id":"2406.08094","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.08094","created_at":"2026-07-05T09:57:43Z"},{"alias_kind":"arxiv_version","alias_value":"2406.08094v3","created_at":"2026-07-05T09:57:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.08094","created_at":"2026-07-05T09:57:43Z"},{"alias_kind":"pith_short_12","alias_value":"AOBO4UZ5DEQ6","created_at":"2026-07-05T09:57:43Z"},{"alias_kind":"pith_short_16","alias_value":"AOBO4UZ5DEQ6FPHY","created_at":"2026-07-05T09:57:43Z"},{"alias_kind":"pith_short_8","alias_value":"AOBO4UZ5","created_at":"2026-07-05T09:57:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:AOBO4UZ5DEQ6FPHY7MUVDMJLVJ","target":"record","payload":{"canonical_record":{"source":{"id":"2406.08094","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-06-12T11:18:30Z","cross_cats_sorted":["cond-mat.quant-gas","hep-th"],"title_canon_sha256":"e25d25edab43c80cfb5934acc4c40414452c5c3ca77126f65b314d589f96cf70","abstract_canon_sha256":"6a233117f8a422d5e2918f846b91c4fcc17c294261afdef6c6eae0c9029019c6"},"schema_version":"1.0"},"canonical_sha256":"0382ee533d1921e2bcf8fb2951b12baa6188ec8dde568511a4ed8f3df75c9f84","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:57:43.453958Z","signature_b64":"i5ijpvXM5lk0YWR1sDatZnktLk5BJk9fRT2ZREJ/1x2lW8Tn0E8YVvUDDH+fgOX719fQPuJce7ECHZgXQkmMBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0382ee533d1921e2bcf8fb2951b12baa6188ec8dde568511a4ed8f3df75c9f84","last_reissued_at":"2026-07-05T09:57:43.453467Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:57:43.453467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.08094","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:57:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DXx+Zr22mLQ0EF+PCp76aQBloA4cTDeanhRPxJbPsEblhnm6PLwK8+ZJIwfbeImJZRcenjyqmaRbtXFYRtuAAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T03:42:39.905265Z"},"content_sha256":"97ffb77bb568e373d819ef567888a756bff518e51b6d638f14420071dc6a09cb","schema_version":"1.0","event_id":"sha256:97ffb77bb568e373d819ef567888a756bff518e51b6d638f14420071dc6a09cb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:AOBO4UZ5DEQ6FPHY7MUVDMJLVJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmological particle production in a quantum field simulator as a quantum mechanical scattering problem","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.quant-gas","hep-th"],"primary_cat":"gr-qc","authors_text":"\\'Alvaro Parra-L\\'opez, Christian F. Schmidt, Elinor Kath, Helmut Strobel, Jelte Duchene, Marius Sparn, Markus K. Oberthaler, Mireia Tolosa-Sime\\'on, Nikolas Liebster, Stefan Floerchinger","submitted_at":"2024-06-12T11:18:30Z","abstract_excerpt":"The production of quantum field excitations or particles in cosmological spacetimes is a hallmark prediction of curved quantum field theory. The generation of cosmological perturbations from quantum fluctuations in the early universe constitutes an important application. The problem can be quantum-simulated in terms of structure formation in an interacting Bose-Einstein condensate (BEC) with time-dependent s-wave scattering length. Here, we explore a mapping between cosmological particle production in general (D+1)-dimensional spacetimes and scattering problems described by the non-relativisti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.08094","kind":"arxiv","version":3},"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/2406.08094/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:57:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TrehjSrBXI6CrXiDTV+H6Qyw4j7shj6q5K+BOJJVUOUVxqOmEjZ2UGQ2uuyow8Hz8zIXtuskpSNMfa7yB1oNCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T03:42:39.905663Z"},"content_sha256":"e1cb14229fe9a5bd3bb7242a18191a9e29e4cbb65be135f74d3e38eecf2785e8","schema_version":"1.0","event_id":"sha256:e1cb14229fe9a5bd3bb7242a18191a9e29e4cbb65be135f74d3e38eecf2785e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AOBO4UZ5DEQ6FPHY7MUVDMJLVJ/bundle.json","state_url":"https://pith.science/pith/AOBO4UZ5DEQ6FPHY7MUVDMJLVJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AOBO4UZ5DEQ6FPHY7MUVDMJLVJ/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":"2026-07-08T03:42:39Z","links":{"resolver":"https://pith.science/pith/AOBO4UZ5DEQ6FPHY7MUVDMJLVJ","bundle":"https://pith.science/pith/AOBO4UZ5DEQ6FPHY7MUVDMJLVJ/bundle.json","state":"https://pith.science/pith/AOBO4UZ5DEQ6FPHY7MUVDMJLVJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AOBO4UZ5DEQ6FPHY7MUVDMJLVJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:AOBO4UZ5DEQ6FPHY7MUVDMJLVJ","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":"6a233117f8a422d5e2918f846b91c4fcc17c294261afdef6c6eae0c9029019c6","cross_cats_sorted":["cond-mat.quant-gas","hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-06-12T11:18:30Z","title_canon_sha256":"e25d25edab43c80cfb5934acc4c40414452c5c3ca77126f65b314d589f96cf70"},"schema_version":"1.0","source":{"id":"2406.08094","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.08094","created_at":"2026-07-05T09:57:43Z"},{"alias_kind":"arxiv_version","alias_value":"2406.08094v3","created_at":"2026-07-05T09:57:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.08094","created_at":"2026-07-05T09:57:43Z"},{"alias_kind":"pith_short_12","alias_value":"AOBO4UZ5DEQ6","created_at":"2026-07-05T09:57:43Z"},{"alias_kind":"pith_short_16","alias_value":"AOBO4UZ5DEQ6FPHY","created_at":"2026-07-05T09:57:43Z"},{"alias_kind":"pith_short_8","alias_value":"AOBO4UZ5","created_at":"2026-07-05T09:57:43Z"}],"graph_snapshots":[{"event_id":"sha256:e1cb14229fe9a5bd3bb7242a18191a9e29e4cbb65be135f74d3e38eecf2785e8","target":"graph","created_at":"2026-07-05T09:57:43Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2406.08094/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The production of quantum field excitations or particles in cosmological spacetimes is a hallmark prediction of curved quantum field theory. The generation of cosmological perturbations from quantum fluctuations in the early universe constitutes an important application. The problem can be quantum-simulated in terms of structure formation in an interacting Bose-Einstein condensate (BEC) with time-dependent s-wave scattering length. Here, we explore a mapping between cosmological particle production in general (D+1)-dimensional spacetimes and scattering problems described by the non-relativisti","authors_text":"\\'Alvaro Parra-L\\'opez, Christian F. Schmidt, Elinor Kath, Helmut Strobel, Jelte Duchene, Marius Sparn, Markus K. Oberthaler, Mireia Tolosa-Sime\\'on, Nikolas Liebster, Stefan Floerchinger","cross_cats":["cond-mat.quant-gas","hep-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-06-12T11:18:30Z","title":"Cosmological particle production in a quantum field simulator as a quantum mechanical scattering problem"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.08094","kind":"arxiv","version":3},"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":"sha256:97ffb77bb568e373d819ef567888a756bff518e51b6d638f14420071dc6a09cb","target":"record","created_at":"2026-07-05T09:57:43Z","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":"6a233117f8a422d5e2918f846b91c4fcc17c294261afdef6c6eae0c9029019c6","cross_cats_sorted":["cond-mat.quant-gas","hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-06-12T11:18:30Z","title_canon_sha256":"e25d25edab43c80cfb5934acc4c40414452c5c3ca77126f65b314d589f96cf70"},"schema_version":"1.0","source":{"id":"2406.08094","kind":"arxiv","version":3}},"canonical_sha256":"0382ee533d1921e2bcf8fb2951b12baa6188ec8dde568511a4ed8f3df75c9f84","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0382ee533d1921e2bcf8fb2951b12baa6188ec8dde568511a4ed8f3df75c9f84","first_computed_at":"2026-07-05T09:57:43.453467Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:57:43.453467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i5ijpvXM5lk0YWR1sDatZnktLk5BJk9fRT2ZREJ/1x2lW8Tn0E8YVvUDDH+fgOX719fQPuJce7ECHZgXQkmMBw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:57:43.453958Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.08094","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:97ffb77bb568e373d819ef567888a756bff518e51b6d638f14420071dc6a09cb","sha256:e1cb14229fe9a5bd3bb7242a18191a9e29e4cbb65be135f74d3e38eecf2785e8"],"state_sha256":"f2b9694599f871db9d369042919a4f020991034b88b489a8c99de9358d0f061d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qe5Kjyc+UBe4BpSfmkTd9Fme1rm9E5UGpTXxqbBD+J1942vyJGu9mPpPEZp9G64X1NXs+4fQY72J68hOwoU6BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T03:42:39.908466Z","bundle_sha256":"10d31614f2823c41ed9da886bbbeed74c8c3f94b049045a5f75d7085dec3d2e4"}}