{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:5FVXKWH3MDVBPYDTPZAYVAK6TA","short_pith_number":"pith:5FVXKWH3","schema_version":"1.0","canonical_sha256":"e96b7558fb60ea17e0737e418a815e982d2f6c85d337946640b6dd97ee15af2f","source":{"kind":"arxiv","id":"2202.03368","version":2},"attestation_state":"computed","paper":{"title":"Locally mediated entanglement in linearised quantum gravity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"quant-ph","authors_text":"Andrea Di Biagio, Carlo Rovelli, Marios Christodoulou, Markus Aspelmeyer, Richard Howl, \\v{C}aslav Brukner","submitted_at":"2022-02-07T17:29:33Z","abstract_excerpt":"The current interest in laboratory detection of entanglement mediated by gravity was sparked by an information--theoretic argument: entanglement mediated by a local field certifies that the field is not classical. Previous derivations of the effect modelled gravity as instantaneous; here we derive it from linearised quantum general relativity while keeping Lorentz invariance explicit, using the path integral formalism. In this framework, entanglement is clearly mediated by a quantum feature of the field. We also point out the possibility of observing retarded entanglement, which cannot be expl"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2202.03368","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-02-07T17:29:33Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"274d307b8cb673e7c176caa730ef68b28d24cb088ef7dbc0a634d8a69eb1ff13","abstract_canon_sha256":"3e426d2394b8336b06e0903efa9cd4f610a9aadfff7f5585e0933be20f42ff0f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:20:37.204285Z","signature_b64":"PrlJE/DGwAr8NxtY0w85RdjBsSi8RirkmyxbN66C7thuH3TcrilclVD5/tNVqNuc0FOvuPzPmbQOBoS/PWOmDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e96b7558fb60ea17e0737e418a815e982d2f6c85d337946640b6dd97ee15af2f","last_reissued_at":"2026-07-05T07:20:37.203845Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:20:37.203845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Locally mediated entanglement in linearised quantum gravity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"quant-ph","authors_text":"Andrea Di Biagio, Carlo Rovelli, Marios Christodoulou, Markus Aspelmeyer, Richard Howl, \\v{C}aslav Brukner","submitted_at":"2022-02-07T17:29:33Z","abstract_excerpt":"The current interest in laboratory detection of entanglement mediated by gravity was sparked by an information--theoretic argument: entanglement mediated by a local field certifies that the field is not classical. Previous derivations of the effect modelled gravity as instantaneous; here we derive it from linearised quantum general relativity while keeping Lorentz invariance explicit, using the path integral formalism. In this framework, entanglement is clearly mediated by a quantum feature of the field. We also point out the possibility of observing retarded entanglement, which cannot be expl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.03368","kind":"arxiv","version":2},"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/2202.03368/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2202.03368","created_at":"2026-07-05T07:20:37.203893+00:00"},{"alias_kind":"arxiv_version","alias_value":"2202.03368v2","created_at":"2026-07-05T07:20:37.203893+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.03368","created_at":"2026-07-05T07:20:37.203893+00:00"},{"alias_kind":"pith_short_12","alias_value":"5FVXKWH3MDVB","created_at":"2026-07-05T07:20:37.203893+00:00"},{"alias_kind":"pith_short_16","alias_value":"5FVXKWH3MDVBPYDT","created_at":"2026-07-05T07:20:37.203893+00:00"},{"alias_kind":"pith_short_8","alias_value":"5FVXKWH3","created_at":"2026-07-05T07:20:37.203893+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2512.02156","citing_title":"Testing ER = EPR with Hydrogen","ref_index":54,"is_internal_anchor":false},{"citing_arxiv_id":"2601.03214","citing_title":"When does entanglement through gravity imply gravitons?","ref_index":9,"is_internal_anchor":false},{"citing_arxiv_id":"2604.06891","citing_title":"Emergence of Non-Markovian Classical-Quantum Dynamics from Decoherence","ref_index":12,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5FVXKWH3MDVBPYDTPZAYVAK6TA","json":"https://pith.science/pith/5FVXKWH3MDVBPYDTPZAYVAK6TA.json","graph_json":"https://pith.science/api/pith-number/5FVXKWH3MDVBPYDTPZAYVAK6TA/graph.json","events_json":"https://pith.science/api/pith-number/5FVXKWH3MDVBPYDTPZAYVAK6TA/events.json","paper":"https://pith.science/paper/5FVXKWH3"},"agent_actions":{"view_html":"https://pith.science/pith/5FVXKWH3MDVBPYDTPZAYVAK6TA","download_json":"https://pith.science/pith/5FVXKWH3MDVBPYDTPZAYVAK6TA.json","view_paper":"https://pith.science/paper/5FVXKWH3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2202.03368&json=true","fetch_graph":"https://pith.science/api/pith-number/5FVXKWH3MDVBPYDTPZAYVAK6TA/graph.json","fetch_events":"https://pith.science/api/pith-number/5FVXKWH3MDVBPYDTPZAYVAK6TA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5FVXKWH3MDVBPYDTPZAYVAK6TA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5FVXKWH3MDVBPYDTPZAYVAK6TA/action/storage_attestation","attest_author":"https://pith.science/pith/5FVXKWH3MDVBPYDTPZAYVAK6TA/action/author_attestation","sign_citation":"https://pith.science/pith/5FVXKWH3MDVBPYDTPZAYVAK6TA/action/citation_signature","submit_replication":"https://pith.science/pith/5FVXKWH3MDVBPYDTPZAYVAK6TA/action/replication_record"}},"created_at":"2026-07-05T07:20:37.203893+00:00","updated_at":"2026-07-05T07:20:37.203893+00:00"}