{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:DUFEVUQQZWYAF2WDNE72YOINT5","short_pith_number":"pith:DUFEVUQQ","canonical_record":{"source":{"id":"1112.2311","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-12-11T00:01:22Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"title_canon_sha256":"904175bd32ef4dff5bab698e8c90d053b15451164bced32df8fee586766fe429","abstract_canon_sha256":"7238745f6a8cf83e5410779bbe76a1db7a9ac09114fc0e26c4083a92330cbf48"},"schema_version":"1.0"},"canonical_sha256":"1d0a4ad210cdb002eac3693fac390d9f55f6c6c2cb3c6fae6fec018961b32270","source":{"kind":"arxiv","id":"1112.2311","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.2311","created_at":"2026-05-18T04:06:34Z"},{"alias_kind":"arxiv_version","alias_value":"1112.2311v1","created_at":"2026-05-18T04:06:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.2311","created_at":"2026-05-18T04:06:34Z"},{"alias_kind":"pith_short_12","alias_value":"DUFEVUQQZWYA","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"DUFEVUQQZWYAF2WD","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"DUFEVUQQ","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:DUFEVUQQZWYAF2WDNE72YOINT5","target":"record","payload":{"canonical_record":{"source":{"id":"1112.2311","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-12-11T00:01:22Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"title_canon_sha256":"904175bd32ef4dff5bab698e8c90d053b15451164bced32df8fee586766fe429","abstract_canon_sha256":"7238745f6a8cf83e5410779bbe76a1db7a9ac09114fc0e26c4083a92330cbf48"},"schema_version":"1.0"},"canonical_sha256":"1d0a4ad210cdb002eac3693fac390d9f55f6c6c2cb3c6fae6fec018961b32270","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:06:34.844248Z","signature_b64":"WOeE5o/0CwGs+lLECQXbNjmbpxB+UtUenf/DvK1mKYPLXcB8j/nnVe0Ufr9gv5yUJHEoMPPxK8Nzx/+/TCuZBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d0a4ad210cdb002eac3693fac390d9f55f6c6c2cb3c6fae6fec018961b32270","last_reissued_at":"2026-05-18T04:06:34.843516Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:06:34.843516Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1112.2311","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":"2026-05-18T04:06:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QOe8W694C4yQx/JCJ7e6pmQj/h6TQ5UcQFWWNfA2zwz56+M5cbNYlI8pVsTFrV4dFkA6Q/a20I0AXRkzWvB9CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:13:51.481070Z"},"content_sha256":"40cd10bf053a2195579b01e8bcec12866f634a9449c1336f9cfe2e44c3c1274b","schema_version":"1.0","event_id":"sha256:40cd10bf053a2195579b01e8bcec12866f634a9449c1336f9cfe2e44c3c1274b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:DUFEVUQQZWYAF2WDNE72YOINT5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimenting with Quantum Fields in Curved Spacetime in the Lab","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"primary_cat":"gr-qc","authors_text":"Isabeau Pr\\'emont-Schwarz","submitted_at":"2011-12-11T00:01:22Z","abstract_excerpt":"In this paper we will investigate how one can create emergent curved spacetimes by locally tuning the coupling constants of condensed matter systems. In the continuum limit we thus obtain continuous effective quantum fields living on curved spacetimes. In particular, using Stingnet condensates we can obtain effective electromagnetism. We will show for example how we obtain quantum electrodynamics in a blackhole (Schwarzschild) spacetime."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.2311","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":"2026-05-18T04:06:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FsAWGsiiFFhOIFSd5aD7XDM7jI/ILD0dFA2jpe26lYMlKYaa9RDEG6Z3d6ljziXlZo0xtkKJworeFEcBLIJxAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:13:51.481699Z"},"content_sha256":"427a1007d8c272c90b54cff7d58428a8325de45fce43d2748c0cc584dd025482","schema_version":"1.0","event_id":"sha256:427a1007d8c272c90b54cff7d58428a8325de45fce43d2748c0cc584dd025482"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DUFEVUQQZWYAF2WDNE72YOINT5/bundle.json","state_url":"https://pith.science/pith/DUFEVUQQZWYAF2WDNE72YOINT5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DUFEVUQQZWYAF2WDNE72YOINT5/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":"2026-05-26T23:13:51Z","links":{"resolver":"https://pith.science/pith/DUFEVUQQZWYAF2WDNE72YOINT5","bundle":"https://pith.science/pith/DUFEVUQQZWYAF2WDNE72YOINT5/bundle.json","state":"https://pith.science/pith/DUFEVUQQZWYAF2WDNE72YOINT5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DUFEVUQQZWYAF2WDNE72YOINT5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:DUFEVUQQZWYAF2WDNE72YOINT5","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":"7238745f6a8cf83e5410779bbe76a1db7a9ac09114fc0e26c4083a92330cbf48","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-12-11T00:01:22Z","title_canon_sha256":"904175bd32ef4dff5bab698e8c90d053b15451164bced32df8fee586766fe429"},"schema_version":"1.0","source":{"id":"1112.2311","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.2311","created_at":"2026-05-18T04:06:34Z"},{"alias_kind":"arxiv_version","alias_value":"1112.2311v1","created_at":"2026-05-18T04:06:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.2311","created_at":"2026-05-18T04:06:34Z"},{"alias_kind":"pith_short_12","alias_value":"DUFEVUQQZWYA","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"DUFEVUQQZWYAF2WD","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"DUFEVUQQ","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:427a1007d8c272c90b54cff7d58428a8325de45fce43d2748c0cc584dd025482","target":"graph","created_at":"2026-05-18T04:06:34Z","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":"In this paper we will investigate how one can create emergent curved spacetimes by locally tuning the coupling constants of condensed matter systems. In the continuum limit we thus obtain continuous effective quantum fields living on curved spacetimes. In particular, using Stingnet condensates we can obtain effective electromagnetism. We will show for example how we obtain quantum electrodynamics in a blackhole (Schwarzschild) spacetime.","authors_text":"Isabeau Pr\\'emont-Schwarz","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-12-11T00:01:22Z","title":"Experimenting with Quantum Fields in Curved Spacetime in the Lab"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.2311","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":"sha256:40cd10bf053a2195579b01e8bcec12866f634a9449c1336f9cfe2e44c3c1274b","target":"record","created_at":"2026-05-18T04:06:34Z","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":"7238745f6a8cf83e5410779bbe76a1db7a9ac09114fc0e26c4083a92330cbf48","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-12-11T00:01:22Z","title_canon_sha256":"904175bd32ef4dff5bab698e8c90d053b15451164bced32df8fee586766fe429"},"schema_version":"1.0","source":{"id":"1112.2311","kind":"arxiv","version":1}},"canonical_sha256":"1d0a4ad210cdb002eac3693fac390d9f55f6c6c2cb3c6fae6fec018961b32270","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d0a4ad210cdb002eac3693fac390d9f55f6c6c2cb3c6fae6fec018961b32270","first_computed_at":"2026-05-18T04:06:34.843516Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:06:34.843516Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WOeE5o/0CwGs+lLECQXbNjmbpxB+UtUenf/DvK1mKYPLXcB8j/nnVe0Ufr9gv5yUJHEoMPPxK8Nzx/+/TCuZBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:06:34.844248Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.2311","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:40cd10bf053a2195579b01e8bcec12866f634a9449c1336f9cfe2e44c3c1274b","sha256:427a1007d8c272c90b54cff7d58428a8325de45fce43d2748c0cc584dd025482"],"state_sha256":"1089475fcb336005002ff5b5861aefb01398721e3ba37c395951f623028914a9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BBkyrqE8ZoX3/niURE/GQhshJdcZy8MH12v2YW79Xzk/a+HLJYUoMzmJQmKUio1WCclh7tX2lgHd/0ckvGWsCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:13:51.485566Z","bundle_sha256":"9af908d647f45f249bb23cc199b5801a0fee8fc300df258e21f7e71ee466308f"}}