{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:4HL5NIMIPSAFDOLV35ANJSDUS2","short_pith_number":"pith:4HL5NIMI","schema_version":"1.0","canonical_sha256":"e1d7d6a1887c8051b975df40d4c874968d34bee5f688f945a019b21d1bbf08a6","source":{"kind":"arxiv","id":"2607.03429","version":1},"attestation_state":"computed","paper":{"title":"Matter-Field Exchange Generates Entanglement, Not Classical Gravity","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"quant-ph","authors_text":"Aditya Varna Iyer, Nicetu Tibau Vidal","submitted_at":"2026-07-03T15:41:20Z","abstract_excerpt":"Aziz and Howl have argued that a hybrid theory with quantum matter and a classical gravitational field can generate entanglement between two massive systems. In their construction, the branch-dependent contribution appears at fourth order through propagators of the quantum matter field in a fixed classical gravitational potential. We analyse this mechanism within the same perturbative QFT framework and show that the effect should not be interpreted as classical gravity mediating entanglement in the sense relevant to BMV-type witnesses. The non-separable term relies on a quantum-matter exchange"},"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":"2607.03429","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-03T15:41:20Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"b2dcadaa35c0d9ace8d4029279d8ab492fc2f8a0af611db035c709d079437222","abstract_canon_sha256":"b0c196b6a9e0b9c06645db2f0b30d70b7d439843f8a71bdb4d66a9ec179c2fa9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-07T02:17:42.909907Z","signature_b64":"ZU1v4TmmVIAhZg45941NZuLi8iaYORd7353JJIViHf0wu9v1ns27oiVhGf2bZ6EIrynGMH/N9eDIhssAYTY7BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e1d7d6a1887c8051b975df40d4c874968d34bee5f688f945a019b21d1bbf08a6","last_reissued_at":"2026-07-07T02:17:42.908967Z","signature_status":"signed_v1","first_computed_at":"2026-07-07T02:17:42.908967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Matter-Field Exchange Generates Entanglement, Not Classical Gravity","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"quant-ph","authors_text":"Aditya Varna Iyer, Nicetu Tibau Vidal","submitted_at":"2026-07-03T15:41:20Z","abstract_excerpt":"Aziz and Howl have argued that a hybrid theory with quantum matter and a classical gravitational field can generate entanglement between two massive systems. In their construction, the branch-dependent contribution appears at fourth order through propagators of the quantum matter field in a fixed classical gravitational potential. We analyse this mechanism within the same perturbative QFT framework and show that the effect should not be interpreted as classical gravity mediating entanglement in the sense relevant to BMV-type witnesses. The non-separable term relies on a quantum-matter exchange"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.03429","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/2607.03429/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":"2607.03429","created_at":"2026-07-07T02:17:42.909110+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.03429v1","created_at":"2026-07-07T02:17:42.909110+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.03429","created_at":"2026-07-07T02:17:42.909110+00:00"},{"alias_kind":"pith_short_12","alias_value":"4HL5NIMIPSAF","created_at":"2026-07-07T02:17:42.909110+00:00"},{"alias_kind":"pith_short_16","alias_value":"4HL5NIMIPSAFDOLV","created_at":"2026-07-07T02:17:42.909110+00:00"},{"alias_kind":"pith_short_8","alias_value":"4HL5NIMI","created_at":"2026-07-07T02:17:42.909110+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4HL5NIMIPSAFDOLV35ANJSDUS2","json":"https://pith.science/pith/4HL5NIMIPSAFDOLV35ANJSDUS2.json","graph_json":"https://pith.science/api/pith-number/4HL5NIMIPSAFDOLV35ANJSDUS2/graph.json","events_json":"https://pith.science/api/pith-number/4HL5NIMIPSAFDOLV35ANJSDUS2/events.json","paper":"https://pith.science/paper/4HL5NIMI"},"agent_actions":{"view_html":"https://pith.science/pith/4HL5NIMIPSAFDOLV35ANJSDUS2","download_json":"https://pith.science/pith/4HL5NIMIPSAFDOLV35ANJSDUS2.json","view_paper":"https://pith.science/paper/4HL5NIMI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.03429&json=true","fetch_graph":"https://pith.science/api/pith-number/4HL5NIMIPSAFDOLV35ANJSDUS2/graph.json","fetch_events":"https://pith.science/api/pith-number/4HL5NIMIPSAFDOLV35ANJSDUS2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4HL5NIMIPSAFDOLV35ANJSDUS2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4HL5NIMIPSAFDOLV35ANJSDUS2/action/storage_attestation","attest_author":"https://pith.science/pith/4HL5NIMIPSAFDOLV35ANJSDUS2/action/author_attestation","sign_citation":"https://pith.science/pith/4HL5NIMIPSAFDOLV35ANJSDUS2/action/citation_signature","submit_replication":"https://pith.science/pith/4HL5NIMIPSAFDOLV35ANJSDUS2/action/replication_record"}},"created_at":"2026-07-07T02:17:42.909110+00:00","updated_at":"2026-07-07T02:17:42.909110+00:00"}