{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:M4QCH2WUBRBB4WHYUFGJFUUEL4","short_pith_number":"pith:M4QCH2WU","canonical_record":{"source":{"id":"2210.11186","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-10-20T12:00:23Z","cross_cats_sorted":[],"title_canon_sha256":"c17a95347b367e0f634060c8a1c98d30d2388dd07f23cf779525859ba3bb4f66","abstract_canon_sha256":"39766d8954fce30a0f22be119ba1ac485f7afa485ed7988b1bcceb9e04f1f6da"},"schema_version":"1.0"},"canonical_sha256":"672023ead40c421e58f8a14c92d2845f154645d3d5e4e38e10bd7f768e31e2db","source":{"kind":"arxiv","id":"2210.11186","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.11186","created_at":"2026-07-05T05:27:20Z"},{"alias_kind":"arxiv_version","alias_value":"2210.11186v1","created_at":"2026-07-05T05:27:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.11186","created_at":"2026-07-05T05:27:20Z"},{"alias_kind":"pith_short_12","alias_value":"M4QCH2WUBRBB","created_at":"2026-07-05T05:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"M4QCH2WUBRBB4WHY","created_at":"2026-07-05T05:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"M4QCH2WU","created_at":"2026-07-05T05:27:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:M4QCH2WUBRBB4WHYUFGJFUUEL4","target":"record","payload":{"canonical_record":{"source":{"id":"2210.11186","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-10-20T12:00:23Z","cross_cats_sorted":[],"title_canon_sha256":"c17a95347b367e0f634060c8a1c98d30d2388dd07f23cf779525859ba3bb4f66","abstract_canon_sha256":"39766d8954fce30a0f22be119ba1ac485f7afa485ed7988b1bcceb9e04f1f6da"},"schema_version":"1.0"},"canonical_sha256":"672023ead40c421e58f8a14c92d2845f154645d3d5e4e38e10bd7f768e31e2db","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:27:20.116656Z","signature_b64":"J4inB8n1/ExDnSd8sNR744B3c/tprD3xtKDCuItv9X1IshTYEjAeIRw9UPvf5WpeGjawAHaZVq9RkjE5mI19Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"672023ead40c421e58f8a14c92d2845f154645d3d5e4e38e10bd7f768e31e2db","last_reissued_at":"2026-07-05T05:27:20.116159Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:27:20.116159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.11186","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":"2026-07-05T05:27:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oeCBlLehwUSrHMn15bdtS0EbqRcUYUHDthk8ayoHYV/mv8DeTgDMUN77MIPohDUQnTSxgPdsdT4EH2cQw5tbBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:59:58.040499Z"},"content_sha256":"ebecf39299b3943169018063d0c55ef79faa3e6107d285116ea3f2c93fb2b9ae","schema_version":"1.0","event_id":"sha256:ebecf39299b3943169018063d0c55ef79faa3e6107d285116ea3f2c93fb2b9ae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:M4QCH2WUBRBB4WHYUFGJFUUEL4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unruh deWitt probe of late time revival of quantum correlations in Friedmann spacetimes","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Ankit Dhanuka, Kinjalk Lochan","submitted_at":"2022-10-20T12:00:23Z","abstract_excerpt":"Unruh deWitt detectors are important constructs in studying the dynamics of quantum fields in any geometric background. Curvature also plays an important role in setting up the correlations of a quantum field in a given spacetime. For instance, massless fields are known to have large correlations in de Sitter space as well as in certain class of Friedmann-Robertson-Walker (FRW) universes. However, some of the correlations are secular in nature while some are dynamic and spacetime dependent. An Unruh deWitt detector responds to such divergences differently in different spacetimes. In this work,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.11186","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/2210.11186/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":"2026-07-05T05:27:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0bB4YccCScrP4vdk/bweAwyNQVpV14MSicZUAOv7YqpSDmO3V5SxBy9dYdYPpNKqyVYJ/3F1yV6Nd4Z33QxACw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:59:58.040876Z"},"content_sha256":"4c4312a009c049f12bc4a1080112eba41eb765a7219fab9ac9a6835d8fcd0db0","schema_version":"1.0","event_id":"sha256:4c4312a009c049f12bc4a1080112eba41eb765a7219fab9ac9a6835d8fcd0db0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M4QCH2WUBRBB4WHYUFGJFUUEL4/bundle.json","state_url":"https://pith.science/pith/M4QCH2WUBRBB4WHYUFGJFUUEL4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M4QCH2WUBRBB4WHYUFGJFUUEL4/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":"2026-07-07T05:59:58Z","links":{"resolver":"https://pith.science/pith/M4QCH2WUBRBB4WHYUFGJFUUEL4","bundle":"https://pith.science/pith/M4QCH2WUBRBB4WHYUFGJFUUEL4/bundle.json","state":"https://pith.science/pith/M4QCH2WUBRBB4WHYUFGJFUUEL4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M4QCH2WUBRBB4WHYUFGJFUUEL4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:M4QCH2WUBRBB4WHYUFGJFUUEL4","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":"39766d8954fce30a0f22be119ba1ac485f7afa485ed7988b1bcceb9e04f1f6da","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-10-20T12:00:23Z","title_canon_sha256":"c17a95347b367e0f634060c8a1c98d30d2388dd07f23cf779525859ba3bb4f66"},"schema_version":"1.0","source":{"id":"2210.11186","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.11186","created_at":"2026-07-05T05:27:20Z"},{"alias_kind":"arxiv_version","alias_value":"2210.11186v1","created_at":"2026-07-05T05:27:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.11186","created_at":"2026-07-05T05:27:20Z"},{"alias_kind":"pith_short_12","alias_value":"M4QCH2WUBRBB","created_at":"2026-07-05T05:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"M4QCH2WUBRBB4WHY","created_at":"2026-07-05T05:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"M4QCH2WU","created_at":"2026-07-05T05:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:4c4312a009c049f12bc4a1080112eba41eb765a7219fab9ac9a6835d8fcd0db0","target":"graph","created_at":"2026-07-05T05:27:20Z","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/2210.11186/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Unruh deWitt detectors are important constructs in studying the dynamics of quantum fields in any geometric background. Curvature also plays an important role in setting up the correlations of a quantum field in a given spacetime. For instance, massless fields are known to have large correlations in de Sitter space as well as in certain class of Friedmann-Robertson-Walker (FRW) universes. However, some of the correlations are secular in nature while some are dynamic and spacetime dependent. An Unruh deWitt detector responds to such divergences differently in different spacetimes. In this work,","authors_text":"Ankit Dhanuka, Kinjalk Lochan","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-10-20T12:00:23Z","title":"Unruh deWitt probe of late time revival of quantum correlations in Friedmann spacetimes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.11186","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:ebecf39299b3943169018063d0c55ef79faa3e6107d285116ea3f2c93fb2b9ae","target":"record","created_at":"2026-07-05T05:27:20Z","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":"39766d8954fce30a0f22be119ba1ac485f7afa485ed7988b1bcceb9e04f1f6da","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-10-20T12:00:23Z","title_canon_sha256":"c17a95347b367e0f634060c8a1c98d30d2388dd07f23cf779525859ba3bb4f66"},"schema_version":"1.0","source":{"id":"2210.11186","kind":"arxiv","version":1}},"canonical_sha256":"672023ead40c421e58f8a14c92d2845f154645d3d5e4e38e10bd7f768e31e2db","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"672023ead40c421e58f8a14c92d2845f154645d3d5e4e38e10bd7f768e31e2db","first_computed_at":"2026-07-05T05:27:20.116159Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:27:20.116159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J4inB8n1/ExDnSd8sNR744B3c/tprD3xtKDCuItv9X1IshTYEjAeIRw9UPvf5WpeGjawAHaZVq9RkjE5mI19Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:27:20.116656Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.11186","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ebecf39299b3943169018063d0c55ef79faa3e6107d285116ea3f2c93fb2b9ae","sha256:4c4312a009c049f12bc4a1080112eba41eb765a7219fab9ac9a6835d8fcd0db0"],"state_sha256":"ff38ebe4b6bd67f1863b16631cd3110283b1725d7d4d96f6024efe2cf2dbdeec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2itGylv3CycEQTPzx8xEewifTpjJT7r1JD5qZsjne4rgoqjW8XAeSs/GJBKodnIg/vWP2GvoCkuq0WUu8MnHAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T05:59:58.042908Z","bundle_sha256":"288120bcf9452a26a9aa103f536c9ce2f2f912f7b1b1a416efeb3cef0d88e1df"}}