{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:XREJCRNQB2DYH6XIDFSRWC4MOL","short_pith_number":"pith:XREJCRNQ","canonical_record":{"source":{"id":"2302.10256","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-02-20T19:38:54Z","cross_cats_sorted":["gr-qc","hep-lat"],"title_canon_sha256":"af4d7068a3ad3947c1df0ca4f096dac004d5764c68250c7afe5f89767705a60d","abstract_canon_sha256":"bd5f251a3b59aa070796b5417ee46e411430974258eb5cc500d25f28e1a899a7"},"schema_version":"1.0"},"canonical_sha256":"bc489145b00e8783fae819651b0b8c72efb3a75fa00709ff2756d086861d84dc","source":{"kind":"arxiv","id":"2302.10256","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.10256","created_at":"2026-07-05T06:08:21Z"},{"alias_kind":"arxiv_version","alias_value":"2302.10256v1","created_at":"2026-07-05T06:08:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.10256","created_at":"2026-07-05T06:08:21Z"},{"alias_kind":"pith_short_12","alias_value":"XREJCRNQB2DY","created_at":"2026-07-05T06:08:21Z"},{"alias_kind":"pith_short_16","alias_value":"XREJCRNQB2DYH6XI","created_at":"2026-07-05T06:08:21Z"},{"alias_kind":"pith_short_8","alias_value":"XREJCRNQ","created_at":"2026-07-05T06:08:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:XREJCRNQB2DYH6XIDFSRWC4MOL","target":"record","payload":{"canonical_record":{"source":{"id":"2302.10256","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-02-20T19:38:54Z","cross_cats_sorted":["gr-qc","hep-lat"],"title_canon_sha256":"af4d7068a3ad3947c1df0ca4f096dac004d5764c68250c7afe5f89767705a60d","abstract_canon_sha256":"bd5f251a3b59aa070796b5417ee46e411430974258eb5cc500d25f28e1a899a7"},"schema_version":"1.0"},"canonical_sha256":"bc489145b00e8783fae819651b0b8c72efb3a75fa00709ff2756d086861d84dc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:08:21.259467Z","signature_b64":"tElmsSNg+vkzfDaielM59DsRlPQvinGpiU4axTYmb1hm46HDop3wibDjdJV+kYAEYP7PHaolZnXqKbUMBpAaDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bc489145b00e8783fae819651b0b8c72efb3a75fa00709ff2756d086861d84dc","last_reissued_at":"2026-07-05T06:08:21.258982Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:08:21.258982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.10256","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":"2026-07-05T06:08:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CLzYdWJRlaSxv46WGL5aa3UGQPpOi/sqR4Pqs+wuKvg5scUmIvLaDM+oK9mGlc8BrMEVirAmsRfGYOy9947ECg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T21:15:27.586575Z"},"content_sha256":"df63cee84a940cb1a207db88b27edad5e20a64c1eec24ec8c66e42db612fa465","schema_version":"1.0","event_id":"sha256:df63cee84a940cb1a207db88b27edad5e20a64c1eec24ec8c66e42db612fa465"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:XREJCRNQB2DYH6XIDFSRWC4MOL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measuring the Homogeneity (or Otherwise) of the Quantum Universe","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","hep-lat"],"primary_cat":"hep-th","authors_text":"A. Silva, R. Loll","submitted_at":"2023-02-20T19:38:54Z","abstract_excerpt":"There are not many tools to quantitatively monitor the emergence of classical geometric features from a quantum spacetime, whose microscopic structure may be a highly quantum-fluctuating \"spacetime foam\". To improve this situation, we introduce new quantum observables that allow us to measure the absolute and relative homogeneity of geometric properties of a nonperturbative quantum universe, as function of a chosen averaging scale. This opens a new way to compare results obtained in full quantum gravity to descriptions of the early universe that assume homogeneity and isotropy at the outset. O"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.10256","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/2302.10256/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":"2026-07-05T06:08:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QUqen59UG+ZzHFBz6IyBo0aXiJd5Q7aptx/GCKR1lXowJ6N98IDz6eMvu6/GW+WCKoyUdWEgu5t689k3bkNRDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T21:15:27.586968Z"},"content_sha256":"c3abc719f1534808400bf4d49d227728c1e51f91734626b935fe36333e2fbe97","schema_version":"1.0","event_id":"sha256:c3abc719f1534808400bf4d49d227728c1e51f91734626b935fe36333e2fbe97"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XREJCRNQB2DYH6XIDFSRWC4MOL/bundle.json","state_url":"https://pith.science/pith/XREJCRNQB2DYH6XIDFSRWC4MOL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XREJCRNQB2DYH6XIDFSRWC4MOL/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":"2026-08-13T21:15:27Z","links":{"resolver":"https://pith.science/pith/XREJCRNQB2DYH6XIDFSRWC4MOL","bundle":"https://pith.science/pith/XREJCRNQB2DYH6XIDFSRWC4MOL/bundle.json","state":"https://pith.science/pith/XREJCRNQB2DYH6XIDFSRWC4MOL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XREJCRNQB2DYH6XIDFSRWC4MOL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:XREJCRNQB2DYH6XIDFSRWC4MOL","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":"bd5f251a3b59aa070796b5417ee46e411430974258eb5cc500d25f28e1a899a7","cross_cats_sorted":["gr-qc","hep-lat"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-02-20T19:38:54Z","title_canon_sha256":"af4d7068a3ad3947c1df0ca4f096dac004d5764c68250c7afe5f89767705a60d"},"schema_version":"1.0","source":{"id":"2302.10256","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.10256","created_at":"2026-07-05T06:08:21Z"},{"alias_kind":"arxiv_version","alias_value":"2302.10256v1","created_at":"2026-07-05T06:08:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.10256","created_at":"2026-07-05T06:08:21Z"},{"alias_kind":"pith_short_12","alias_value":"XREJCRNQB2DY","created_at":"2026-07-05T06:08:21Z"},{"alias_kind":"pith_short_16","alias_value":"XREJCRNQB2DYH6XI","created_at":"2026-07-05T06:08:21Z"},{"alias_kind":"pith_short_8","alias_value":"XREJCRNQ","created_at":"2026-07-05T06:08:21Z"}],"graph_snapshots":[{"event_id":"sha256:c3abc719f1534808400bf4d49d227728c1e51f91734626b935fe36333e2fbe97","target":"graph","created_at":"2026-07-05T06:08:21Z","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/2302.10256/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"There are not many tools to quantitatively monitor the emergence of classical geometric features from a quantum spacetime, whose microscopic structure may be a highly quantum-fluctuating \"spacetime foam\". To improve this situation, we introduce new quantum observables that allow us to measure the absolute and relative homogeneity of geometric properties of a nonperturbative quantum universe, as function of a chosen averaging scale. This opens a new way to compare results obtained in full quantum gravity to descriptions of the early universe that assume homogeneity and isotropy at the outset. O","authors_text":"A. Silva, R. Loll","cross_cats":["gr-qc","hep-lat"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-02-20T19:38:54Z","title":"Measuring the Homogeneity (or Otherwise) of the Quantum Universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.10256","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:df63cee84a940cb1a207db88b27edad5e20a64c1eec24ec8c66e42db612fa465","target":"record","created_at":"2026-07-05T06:08:21Z","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":"bd5f251a3b59aa070796b5417ee46e411430974258eb5cc500d25f28e1a899a7","cross_cats_sorted":["gr-qc","hep-lat"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-02-20T19:38:54Z","title_canon_sha256":"af4d7068a3ad3947c1df0ca4f096dac004d5764c68250c7afe5f89767705a60d"},"schema_version":"1.0","source":{"id":"2302.10256","kind":"arxiv","version":1}},"canonical_sha256":"bc489145b00e8783fae819651b0b8c72efb3a75fa00709ff2756d086861d84dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bc489145b00e8783fae819651b0b8c72efb3a75fa00709ff2756d086861d84dc","first_computed_at":"2026-07-05T06:08:21.258982Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:08:21.258982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tElmsSNg+vkzfDaielM59DsRlPQvinGpiU4axTYmb1hm46HDop3wibDjdJV+kYAEYP7PHaolZnXqKbUMBpAaDA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:08:21.259467Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.10256","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:df63cee84a940cb1a207db88b27edad5e20a64c1eec24ec8c66e42db612fa465","sha256:c3abc719f1534808400bf4d49d227728c1e51f91734626b935fe36333e2fbe97"],"state_sha256":"8e19adf981786abc9e9c690dc30d8fcee53dddf364d75f86f4d76800be6d96ee"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zfqkJA2lAb9a2Uh9a2H0OPhGTfSjXBKymQ98l6KbOFhLZTHtshzBG2OfP6yuXGG6P9vfy7oWmNZXD1geNKBiDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T21:15:27.627092Z","bundle_sha256":"ffb8d834fe8e1b3dc3999e0b3d06b8af3bc79b01abb26504fa0fd2778e2cfd26"}}