{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:6ENJAKSAULTOY5JYABKUDX3EFW","short_pith_number":"pith:6ENJAKSA","canonical_record":{"source":{"id":"2211.00182","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-10-31T22:57:34Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"cfef8f39a42c2b749e19a123a2b7e88ae9951635c7c2c6c36148cb0410975039","abstract_canon_sha256":"87e40d03d7ccaa3a96137d8fac607c862978b507d4954e4c2309301a84b975e9"},"schema_version":"1.0"},"canonical_sha256":"f11a902a40a2e6ec7538005541df642da33c1539db9fb21caddd9a17468e89ec","source":{"kind":"arxiv","id":"2211.00182","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.00182","created_at":"2026-07-05T05:34:17Z"},{"alias_kind":"arxiv_version","alias_value":"2211.00182v3","created_at":"2026-07-05T05:34:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.00182","created_at":"2026-07-05T05:34:17Z"},{"alias_kind":"pith_short_12","alias_value":"6ENJAKSAULTO","created_at":"2026-07-05T05:34:17Z"},{"alias_kind":"pith_short_16","alias_value":"6ENJAKSAULTOY5JY","created_at":"2026-07-05T05:34:17Z"},{"alias_kind":"pith_short_8","alias_value":"6ENJAKSA","created_at":"2026-07-05T05:34:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:6ENJAKSAULTOY5JYABKUDX3EFW","target":"record","payload":{"canonical_record":{"source":{"id":"2211.00182","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-10-31T22:57:34Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"cfef8f39a42c2b749e19a123a2b7e88ae9951635c7c2c6c36148cb0410975039","abstract_canon_sha256":"87e40d03d7ccaa3a96137d8fac607c862978b507d4954e4c2309301a84b975e9"},"schema_version":"1.0"},"canonical_sha256":"f11a902a40a2e6ec7538005541df642da33c1539db9fb21caddd9a17468e89ec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:34:17.181336Z","signature_b64":"aMzIp2hmE/5H7CsY8RRT+mDnQcyv046Gy09eI29N3TWicQiWe0Zuk1HQOC00nzKKoLSORoMsGtd9+Uub0PI/AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f11a902a40a2e6ec7538005541df642da33c1539db9fb21caddd9a17468e89ec","last_reissued_at":"2026-07-05T05:34:17.180868Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:34:17.180868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2211.00182","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":"2026-07-05T05:34:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gMFY5G7YaGGFTmTMZTyTX/qhy/AQfsVCKgOf0p1h60z/QRu9oqq3UCAftwH69aYM1Fy7+f+H5RrUuVMDurvhDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:06:36.628803Z"},"content_sha256":"f32925e679f41968cc05d883b83cbed45508e3d45b0d9b6f01039690fc211cb2","schema_version":"1.0","event_id":"sha256:f32925e679f41968cc05d883b83cbed45508e3d45b0d9b6f01039690fc211cb2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:6ENJAKSAULTOY5JYABKUDX3EFW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum cosmological gravitational waves?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"gr-qc","authors_text":"Amaury Micheli, Patrick Peter","submitted_at":"2022-10-31T22:57:34Z","abstract_excerpt":"General relativity and its cosmological solution predicts the existence of tensor modes of perturbations evolving on top of our Friedman-Lema\\^itre-Robertson-Walker expanding Universe. Being gauge invariant and not necessarily coupled to other quantum sources, they can be seen as representing pure gravity. Unambiguously showing they are indeed to be quantised would thus provide an unquestionable proof of the quantum nature of gravitation. This review will present a summary of the various theoretical issues that could lead to this conclusion."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.00182","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/2211.00182/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":"2026-07-05T05:34:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JqSFrYaDm+TKjlFa7RbrWqhOAAcNKZOLsyBzaE/CMOnMGifAUkShO1f2j/IjU3xyaxK6YsBLKqmk3Akt9hmzAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:06:36.629471Z"},"content_sha256":"b09943ebe7093ef59f8a7a68d076bbec7d2f9de3a867252e42995fbb86857439","schema_version":"1.0","event_id":"sha256:b09943ebe7093ef59f8a7a68d076bbec7d2f9de3a867252e42995fbb86857439"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6ENJAKSAULTOY5JYABKUDX3EFW/bundle.json","state_url":"https://pith.science/pith/6ENJAKSAULTOY5JYABKUDX3EFW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6ENJAKSAULTOY5JYABKUDX3EFW/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":"2026-08-03T17:06:36Z","links":{"resolver":"https://pith.science/pith/6ENJAKSAULTOY5JYABKUDX3EFW","bundle":"https://pith.science/pith/6ENJAKSAULTOY5JYABKUDX3EFW/bundle.json","state":"https://pith.science/pith/6ENJAKSAULTOY5JYABKUDX3EFW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6ENJAKSAULTOY5JYABKUDX3EFW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:6ENJAKSAULTOY5JYABKUDX3EFW","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":"87e40d03d7ccaa3a96137d8fac607c862978b507d4954e4c2309301a84b975e9","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-10-31T22:57:34Z","title_canon_sha256":"cfef8f39a42c2b749e19a123a2b7e88ae9951635c7c2c6c36148cb0410975039"},"schema_version":"1.0","source":{"id":"2211.00182","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.00182","created_at":"2026-07-05T05:34:17Z"},{"alias_kind":"arxiv_version","alias_value":"2211.00182v3","created_at":"2026-07-05T05:34:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.00182","created_at":"2026-07-05T05:34:17Z"},{"alias_kind":"pith_short_12","alias_value":"6ENJAKSAULTO","created_at":"2026-07-05T05:34:17Z"},{"alias_kind":"pith_short_16","alias_value":"6ENJAKSAULTOY5JY","created_at":"2026-07-05T05:34:17Z"},{"alias_kind":"pith_short_8","alias_value":"6ENJAKSA","created_at":"2026-07-05T05:34:17Z"}],"graph_snapshots":[{"event_id":"sha256:b09943ebe7093ef59f8a7a68d076bbec7d2f9de3a867252e42995fbb86857439","target":"graph","created_at":"2026-07-05T05:34:17Z","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/2211.00182/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"General relativity and its cosmological solution predicts the existence of tensor modes of perturbations evolving on top of our Friedman-Lema\\^itre-Robertson-Walker expanding Universe. Being gauge invariant and not necessarily coupled to other quantum sources, they can be seen as representing pure gravity. Unambiguously showing they are indeed to be quantised would thus provide an unquestionable proof of the quantum nature of gravitation. This review will present a summary of the various theoretical issues that could lead to this conclusion.","authors_text":"Amaury Micheli, Patrick Peter","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-10-31T22:57:34Z","title":"Quantum cosmological gravitational waves?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.00182","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:f32925e679f41968cc05d883b83cbed45508e3d45b0d9b6f01039690fc211cb2","target":"record","created_at":"2026-07-05T05:34:17Z","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":"87e40d03d7ccaa3a96137d8fac607c862978b507d4954e4c2309301a84b975e9","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-10-31T22:57:34Z","title_canon_sha256":"cfef8f39a42c2b749e19a123a2b7e88ae9951635c7c2c6c36148cb0410975039"},"schema_version":"1.0","source":{"id":"2211.00182","kind":"arxiv","version":3}},"canonical_sha256":"f11a902a40a2e6ec7538005541df642da33c1539db9fb21caddd9a17468e89ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f11a902a40a2e6ec7538005541df642da33c1539db9fb21caddd9a17468e89ec","first_computed_at":"2026-07-05T05:34:17.180868Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:34:17.180868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aMzIp2hmE/5H7CsY8RRT+mDnQcyv046Gy09eI29N3TWicQiWe0Zuk1HQOC00nzKKoLSORoMsGtd9+Uub0PI/AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:34:17.181336Z","signed_message":"canonical_sha256_bytes"},"source_id":"2211.00182","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f32925e679f41968cc05d883b83cbed45508e3d45b0d9b6f01039690fc211cb2","sha256:b09943ebe7093ef59f8a7a68d076bbec7d2f9de3a867252e42995fbb86857439"],"state_sha256":"9ad600bddbdc7fc236ac61458decef987f34175e8bcef1d0cf816ca7f2294856"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CR7vtuMGVPI8vbgGqx8IuqfI8GWmE8d2cRxA3cvt9v3vVb7jblNnYRXVSalMZ9ItjUDWtQ0eT3H+RTueEzEgCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T17:06:36.635155Z","bundle_sha256":"dcd27ccd2fbd0d93081c8e8fe2f6061df2e437f3a920de86921eba491d024844"}}