{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:FHTBHWX6GIZWE7VJK5HGVMD2VB","short_pith_number":"pith:FHTBHWX6","canonical_record":{"source":{"id":"2309.16312","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-09-28T10:07:43Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"b7bfecbdab852d31c3823c01f1db021182bd046219da6ee859935df8bae34b17","abstract_canon_sha256":"c0e4ab1934f8168ee17dc75ebfe0e707f417b1af15057b1d0198afb5647ed332"},"schema_version":"1.0"},"canonical_sha256":"29e613dafe3233627ea9574e6ab07aa84633f91e9439dddaaf4b75984d3cbedc","source":{"kind":"arxiv","id":"2309.16312","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.16312","created_at":"2026-07-05T09:19:06Z"},{"alias_kind":"arxiv_version","alias_value":"2309.16312v1","created_at":"2026-07-05T09:19:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.16312","created_at":"2026-07-05T09:19:06Z"},{"alias_kind":"pith_short_12","alias_value":"FHTBHWX6GIZW","created_at":"2026-07-05T09:19:06Z"},{"alias_kind":"pith_short_16","alias_value":"FHTBHWX6GIZWE7VJ","created_at":"2026-07-05T09:19:06Z"},{"alias_kind":"pith_short_8","alias_value":"FHTBHWX6","created_at":"2026-07-05T09:19:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:FHTBHWX6GIZWE7VJK5HGVMD2VB","target":"record","payload":{"canonical_record":{"source":{"id":"2309.16312","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-09-28T10:07:43Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"b7bfecbdab852d31c3823c01f1db021182bd046219da6ee859935df8bae34b17","abstract_canon_sha256":"c0e4ab1934f8168ee17dc75ebfe0e707f417b1af15057b1d0198afb5647ed332"},"schema_version":"1.0"},"canonical_sha256":"29e613dafe3233627ea9574e6ab07aa84633f91e9439dddaaf4b75984d3cbedc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:19:06.493209Z","signature_b64":"nmlM0Z4C8PXMFUc79uv/w6WyQGToM85e8WkMiY59MPIvySncoq4eX2019fh4fAYXktayuHE3v85cYnl97wIfAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"29e613dafe3233627ea9574e6ab07aa84633f91e9439dddaaf4b75984d3cbedc","last_reissued_at":"2026-07-05T09:19:06.492757Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:19:06.492757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.16312","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":"2026-07-05T09:19:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"alvCyxY9KRcqkWL37xP/c25iEU0kRguZ6fC9Tw2CF3SYDuP7m/eLALyMtQ+QJa+aWZwlohEVyyOAizZZabfWAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T21:33:45.841708Z"},"content_sha256":"96b7f51c37c773a0c2eeb14def0389820519323a8e37ea3486996eb0d598114d","schema_version":"1.0","event_id":"sha256:96b7f51c37c773a0c2eeb14def0389820519323a8e37ea3486996eb0d598114d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:FHTBHWX6GIZWE7VJK5HGVMD2VB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gravity Mediated Entanglement between Oscillators as Quantum Superposition of Geometries","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"quant-ph","authors_text":"Andrea Di Biagio, Marios Christodoulou, Markus Aspelmeyer, Ofek Bengyat","submitted_at":"2023-09-28T10:07:43Z","abstract_excerpt":"Protocols for observing gravity induced entanglement typically comprise the interaction of two particles prepared either in a superposition of two discrete paths, or in a continuously delocalized (harmonic oscillator) state of motion. An important open question has been whether these two different approaches allow to draw the same conclusions on the quantum nature of gravity. To answer this question, we analyse using the path-integral approach a setup that contains both features: a superposition of two highly delocalized center of mass states. We conclude that the two usual protocols are of si"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.16312","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/2309.16312/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":"2026-07-05T09:19:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hUiY2InamouB5xcT7Spf/p28rtltcLoc4qIAqy4OTQOPWdHUvMeEiqteEZDgYDr+yxE1DIBJgq8fN9d6tj4TCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T21:33:45.842381Z"},"content_sha256":"63379a6a39125738ebdcc5d88a72f3abecdad70b9cae7374283c5a38a2709435","schema_version":"1.0","event_id":"sha256:63379a6a39125738ebdcc5d88a72f3abecdad70b9cae7374283c5a38a2709435"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FHTBHWX6GIZWE7VJK5HGVMD2VB/bundle.json","state_url":"https://pith.science/pith/FHTBHWX6GIZWE7VJK5HGVMD2VB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FHTBHWX6GIZWE7VJK5HGVMD2VB/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":"2026-08-06T21:33:45Z","links":{"resolver":"https://pith.science/pith/FHTBHWX6GIZWE7VJK5HGVMD2VB","bundle":"https://pith.science/pith/FHTBHWX6GIZWE7VJK5HGVMD2VB/bundle.json","state":"https://pith.science/pith/FHTBHWX6GIZWE7VJK5HGVMD2VB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FHTBHWX6GIZWE7VJK5HGVMD2VB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:FHTBHWX6GIZWE7VJK5HGVMD2VB","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":"c0e4ab1934f8168ee17dc75ebfe0e707f417b1af15057b1d0198afb5647ed332","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-09-28T10:07:43Z","title_canon_sha256":"b7bfecbdab852d31c3823c01f1db021182bd046219da6ee859935df8bae34b17"},"schema_version":"1.0","source":{"id":"2309.16312","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.16312","created_at":"2026-07-05T09:19:06Z"},{"alias_kind":"arxiv_version","alias_value":"2309.16312v1","created_at":"2026-07-05T09:19:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.16312","created_at":"2026-07-05T09:19:06Z"},{"alias_kind":"pith_short_12","alias_value":"FHTBHWX6GIZW","created_at":"2026-07-05T09:19:06Z"},{"alias_kind":"pith_short_16","alias_value":"FHTBHWX6GIZWE7VJ","created_at":"2026-07-05T09:19:06Z"},{"alias_kind":"pith_short_8","alias_value":"FHTBHWX6","created_at":"2026-07-05T09:19:06Z"}],"graph_snapshots":[{"event_id":"sha256:63379a6a39125738ebdcc5d88a72f3abecdad70b9cae7374283c5a38a2709435","target":"graph","created_at":"2026-07-05T09:19:06Z","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/2309.16312/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Protocols for observing gravity induced entanglement typically comprise the interaction of two particles prepared either in a superposition of two discrete paths, or in a continuously delocalized (harmonic oscillator) state of motion. An important open question has been whether these two different approaches allow to draw the same conclusions on the quantum nature of gravity. To answer this question, we analyse using the path-integral approach a setup that contains both features: a superposition of two highly delocalized center of mass states. We conclude that the two usual protocols are of si","authors_text":"Andrea Di Biagio, Marios Christodoulou, Markus Aspelmeyer, Ofek Bengyat","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-09-28T10:07:43Z","title":"Gravity Mediated Entanglement between Oscillators as Quantum Superposition of Geometries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.16312","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":"sha256:96b7f51c37c773a0c2eeb14def0389820519323a8e37ea3486996eb0d598114d","target":"record","created_at":"2026-07-05T09:19:06Z","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":"c0e4ab1934f8168ee17dc75ebfe0e707f417b1af15057b1d0198afb5647ed332","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-09-28T10:07:43Z","title_canon_sha256":"b7bfecbdab852d31c3823c01f1db021182bd046219da6ee859935df8bae34b17"},"schema_version":"1.0","source":{"id":"2309.16312","kind":"arxiv","version":1}},"canonical_sha256":"29e613dafe3233627ea9574e6ab07aa84633f91e9439dddaaf4b75984d3cbedc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"29e613dafe3233627ea9574e6ab07aa84633f91e9439dddaaf4b75984d3cbedc","first_computed_at":"2026-07-05T09:19:06.492757Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:19:06.492757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nmlM0Z4C8PXMFUc79uv/w6WyQGToM85e8WkMiY59MPIvySncoq4eX2019fh4fAYXktayuHE3v85cYnl97wIfAg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:19:06.493209Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.16312","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:96b7f51c37c773a0c2eeb14def0389820519323a8e37ea3486996eb0d598114d","sha256:63379a6a39125738ebdcc5d88a72f3abecdad70b9cae7374283c5a38a2709435"],"state_sha256":"87b4d538bf6053e447acaf3b092728d338226a448c496d9f14421956aacdd151"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xQnfQX4OVWNKu2O4SEfYsycbaT/qv0h//p2yLbuDYeOmU/2qRoY1CjEae7vKhKxIi18hjRdVeKXtZ5ySNADmBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T21:33:45.846280Z","bundle_sha256":"79062ee0d68ebb9f5c4da220687e2429d7b920f5c8f174490b318e485b1500b8"}}