{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:YNR3ZMUWCFIHL5FNIPROUD2KF5","short_pith_number":"pith:YNR3ZMUW","canonical_record":{"source":{"id":"2505.21797","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-05-27T22:05:59Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"0d2f9445f079a526c5109f324a736edce4fda0ed1b9383c54f5ae84659ee4e08","abstract_canon_sha256":"933ffb1e1710131b6e4ececefbc21d2f8ddcc759b336765ff0c2cd5ca064de66"},"schema_version":"1.0"},"canonical_sha256":"c363bcb296115075f4ad43e2ea0f4a2f42764b10077aaf7b116d78273b89b8d1","source":{"kind":"arxiv","id":"2505.21797","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.21797","created_at":"2026-07-05T11:11:03Z"},{"alias_kind":"arxiv_version","alias_value":"2505.21797v1","created_at":"2026-07-05T11:11:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.21797","created_at":"2026-07-05T11:11:03Z"},{"alias_kind":"pith_short_12","alias_value":"YNR3ZMUWCFIH","created_at":"2026-07-05T11:11:03Z"},{"alias_kind":"pith_short_16","alias_value":"YNR3ZMUWCFIHL5FN","created_at":"2026-07-05T11:11:03Z"},{"alias_kind":"pith_short_8","alias_value":"YNR3ZMUW","created_at":"2026-07-05T11:11:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:YNR3ZMUWCFIHL5FNIPROUD2KF5","target":"record","payload":{"canonical_record":{"source":{"id":"2505.21797","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-05-27T22:05:59Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"0d2f9445f079a526c5109f324a736edce4fda0ed1b9383c54f5ae84659ee4e08","abstract_canon_sha256":"933ffb1e1710131b6e4ececefbc21d2f8ddcc759b336765ff0c2cd5ca064de66"},"schema_version":"1.0"},"canonical_sha256":"c363bcb296115075f4ad43e2ea0f4a2f42764b10077aaf7b116d78273b89b8d1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:11:03.779335Z","signature_b64":"I7ZROCOEtHg7gcDIiVeXG5ZU+LrHNw24W2fvRW1KtxxWNCKXVMY1VWVjiAbHRdD2FMYrOxSY14ZgtyiNYDd8DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c363bcb296115075f4ad43e2ea0f4a2f42764b10077aaf7b116d78273b89b8d1","last_reissued_at":"2026-07-05T11:11:03.778851Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:11:03.778851Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.21797","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":"2026-07-05T11:11:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RVr2t0j/GIEwoX8XNyhkD3uoSVcvFlUfs4TrrvaBNoy7CzhH2MLYGuPPKqTlw+xVN6qxJRiRfDshEvu2dFdsAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T02:52:28.928932Z"},"content_sha256":"fbaa505d2ee171ff11bb797c2fe76d013fb0ca14a032bf5df6b4f41145b5be5e","schema_version":"1.0","event_id":"sha256:fbaa505d2ee171ff11bb797c2fe76d013fb0ca14a032bf5df6b4f41145b5be5e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:YNR3ZMUWCFIHL5FNIPROUD2KF5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Events and their Localisation are Relative to a Lab","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"quant-ph","authors_text":"Lin-Qing Chen, Liuhang Ye, Renato Renner, V. Vilasini","submitted_at":"2025-05-27T22:05:59Z","abstract_excerpt":"The notions of events and their localisation fundamentally differ between quantum theory and general relativity, reconciling them becomes even more important and challenging in the context of quantum gravity where a classical spacetime background can no longer be assumed. We therefore propose an operational approach drawing from quantum information, to define events and their localisation relative to a Lab, which in particular includes a choice of physical degree of freedom (the reference) providing a generalised notion of \"location\". We define a property of the reference, relative measurabili"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.21797","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/2505.21797/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":"2026-07-05T11:11:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LBRvsDzjNr+xG2C5DMIv1wZFI3tZ/3R1MUhd71S6HPFGwgb0I0gLp8s9t4dw6g3MRuKIsiFJ/IWiz+dYpHxlCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T02:52:28.929462Z"},"content_sha256":"74cf5ab34ba987631793b28b5f979730624c6c20a4f5115b07625813fdebe3a1","schema_version":"1.0","event_id":"sha256:74cf5ab34ba987631793b28b5f979730624c6c20a4f5115b07625813fdebe3a1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YNR3ZMUWCFIHL5FNIPROUD2KF5/bundle.json","state_url":"https://pith.science/pith/YNR3ZMUWCFIHL5FNIPROUD2KF5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YNR3ZMUWCFIHL5FNIPROUD2KF5/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":"2026-08-02T02:52:28Z","links":{"resolver":"https://pith.science/pith/YNR3ZMUWCFIHL5FNIPROUD2KF5","bundle":"https://pith.science/pith/YNR3ZMUWCFIHL5FNIPROUD2KF5/bundle.json","state":"https://pith.science/pith/YNR3ZMUWCFIHL5FNIPROUD2KF5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YNR3ZMUWCFIHL5FNIPROUD2KF5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:YNR3ZMUWCFIHL5FNIPROUD2KF5","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":"933ffb1e1710131b6e4ececefbc21d2f8ddcc759b336765ff0c2cd5ca064de66","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-05-27T22:05:59Z","title_canon_sha256":"0d2f9445f079a526c5109f324a736edce4fda0ed1b9383c54f5ae84659ee4e08"},"schema_version":"1.0","source":{"id":"2505.21797","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.21797","created_at":"2026-07-05T11:11:03Z"},{"alias_kind":"arxiv_version","alias_value":"2505.21797v1","created_at":"2026-07-05T11:11:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.21797","created_at":"2026-07-05T11:11:03Z"},{"alias_kind":"pith_short_12","alias_value":"YNR3ZMUWCFIH","created_at":"2026-07-05T11:11:03Z"},{"alias_kind":"pith_short_16","alias_value":"YNR3ZMUWCFIHL5FN","created_at":"2026-07-05T11:11:03Z"},{"alias_kind":"pith_short_8","alias_value":"YNR3ZMUW","created_at":"2026-07-05T11:11:03Z"}],"graph_snapshots":[{"event_id":"sha256:74cf5ab34ba987631793b28b5f979730624c6c20a4f5115b07625813fdebe3a1","target":"graph","created_at":"2026-07-05T11:11:03Z","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/2505.21797/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The notions of events and their localisation fundamentally differ between quantum theory and general relativity, reconciling them becomes even more important and challenging in the context of quantum gravity where a classical spacetime background can no longer be assumed. We therefore propose an operational approach drawing from quantum information, to define events and their localisation relative to a Lab, which in particular includes a choice of physical degree of freedom (the reference) providing a generalised notion of \"location\". We define a property of the reference, relative measurabili","authors_text":"Lin-Qing Chen, Liuhang Ye, Renato Renner, V. Vilasini","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-05-27T22:05:59Z","title":"Events and their Localisation are Relative to a Lab"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.21797","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:fbaa505d2ee171ff11bb797c2fe76d013fb0ca14a032bf5df6b4f41145b5be5e","target":"record","created_at":"2026-07-05T11:11:03Z","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":"933ffb1e1710131b6e4ececefbc21d2f8ddcc759b336765ff0c2cd5ca064de66","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-05-27T22:05:59Z","title_canon_sha256":"0d2f9445f079a526c5109f324a736edce4fda0ed1b9383c54f5ae84659ee4e08"},"schema_version":"1.0","source":{"id":"2505.21797","kind":"arxiv","version":1}},"canonical_sha256":"c363bcb296115075f4ad43e2ea0f4a2f42764b10077aaf7b116d78273b89b8d1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c363bcb296115075f4ad43e2ea0f4a2f42764b10077aaf7b116d78273b89b8d1","first_computed_at":"2026-07-05T11:11:03.778851Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:11:03.778851Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I7ZROCOEtHg7gcDIiVeXG5ZU+LrHNw24W2fvRW1KtxxWNCKXVMY1VWVjiAbHRdD2FMYrOxSY14ZgtyiNYDd8DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:11:03.779335Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.21797","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fbaa505d2ee171ff11bb797c2fe76d013fb0ca14a032bf5df6b4f41145b5be5e","sha256:74cf5ab34ba987631793b28b5f979730624c6c20a4f5115b07625813fdebe3a1"],"state_sha256":"11aa0c343ce70fd0fe166bf46eed603d4fe86a8e3719b76056163e25d2989d94"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r9qMefTq7NJCr9jSwaDkCUJaB4iZpCuXgWwi+0SWpuodBV5GcdMAkT8rgkXUFy2Zdb5xxEprH61Q5OrOjJviDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-02T02:52:28.938805Z","bundle_sha256":"4f36072304ae016f22b7a308b62440b6679607a6a3a80cd1c46998f04f7af3e1"}}