{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:O2O6PY5TQGXGRGMCC25U7U4W3C","short_pith_number":"pith:O2O6PY5T","canonical_record":{"source":{"id":"1912.08704","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-12-18T16:33:47Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"2e3151f3cc44ab68242ab3d8d96037a2bbc060df36297560400575ac0e0c2d42","abstract_canon_sha256":"4575b515ae3bc8592ca32511704bb238c7343931c11fe367ef51e4213e431735"},"schema_version":"1.0"},"canonical_sha256":"769de7e3b381ae68998216bb4fd396d8b37dec0894f0ca43a8e360c3af4768d2","source":{"kind":"arxiv","id":"1912.08704","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.08704","created_at":"2026-07-05T02:48:50Z"},{"alias_kind":"arxiv_version","alias_value":"1912.08704v1","created_at":"2026-07-05T02:48:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.08704","created_at":"2026-07-05T02:48:50Z"},{"alias_kind":"pith_short_12","alias_value":"O2O6PY5TQGXG","created_at":"2026-07-05T02:48:50Z"},{"alias_kind":"pith_short_16","alias_value":"O2O6PY5TQGXGRGMC","created_at":"2026-07-05T02:48:50Z"},{"alias_kind":"pith_short_8","alias_value":"O2O6PY5T","created_at":"2026-07-05T02:48:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:O2O6PY5TQGXGRGMCC25U7U4W3C","target":"record","payload":{"canonical_record":{"source":{"id":"1912.08704","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-12-18T16:33:47Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"2e3151f3cc44ab68242ab3d8d96037a2bbc060df36297560400575ac0e0c2d42","abstract_canon_sha256":"4575b515ae3bc8592ca32511704bb238c7343931c11fe367ef51e4213e431735"},"schema_version":"1.0"},"canonical_sha256":"769de7e3b381ae68998216bb4fd396d8b37dec0894f0ca43a8e360c3af4768d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:48:50.270088Z","signature_b64":"f9U53rRI9jBnaSPoKapp/9RqDe3O7aseBCqIoBCvk2uw6CG7S4n+oN1hAFzmbmI0uwKp2N8dDmTzTtX42c0EDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"769de7e3b381ae68998216bb4fd396d8b37dec0894f0ca43a8e360c3af4768d2","last_reissued_at":"2026-07-05T02:48:50.269651Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:48:50.269651Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.08704","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":"2026-07-05T02:48:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jhv7bymd+w2bvRDp/El9ZOJfFmhSBGe1u+n+GC2CeYdcsAS64KKZTX7dYZLMQiTLQ7pSZPKsUzP/SOsN0mfUAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T05:41:14.415663Z"},"content_sha256":"7836876d738efb8359445f21e6a377888ec83da6bc6b0d6bae3f31258ebdda45","schema_version":"1.0","event_id":"sha256:7836876d738efb8359445f21e6a377888ec83da6bc6b0d6bae3f31258ebdda45"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:O2O6PY5TQGXGRGMCC25U7U4W3C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamical quantum collapse and an experimental test","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"quant-ph","authors_text":"Tanmay Vachaspati","submitted_at":"2019-12-18T16:33:47Z","abstract_excerpt":"The quantum measurement problem may have a resolution in de Broglie-Bohm theory in which measurements lead to dynamical wavefunction collapse. We study the collapse in a simple setup and find that there may be slight differences between probabilities derived from standard quantum mechanics versus those from de Broglie-Bohm theory in certain situations, possibly paving the way for an experimental test."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.08704","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/1912.08704/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":"2026-07-05T02:48:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YHU3e/ZzX7j3lW6wUiO0eSzd8bmgXcCrysUUYsQ8Iz1Ck+MTMIL3tyy8vXPKE2KVARZEqP2mNDU8UlTjOw80Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T05:41:14.416642Z"},"content_sha256":"17ad61cb7431534a2340e2a6c5ac9f9c8958347744edadfb751cdb2ef5fa31b5","schema_version":"1.0","event_id":"sha256:17ad61cb7431534a2340e2a6c5ac9f9c8958347744edadfb751cdb2ef5fa31b5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O2O6PY5TQGXGRGMCC25U7U4W3C/bundle.json","state_url":"https://pith.science/pith/O2O6PY5TQGXGRGMCC25U7U4W3C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O2O6PY5TQGXGRGMCC25U7U4W3C/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":"2026-08-07T05:41:14Z","links":{"resolver":"https://pith.science/pith/O2O6PY5TQGXGRGMCC25U7U4W3C","bundle":"https://pith.science/pith/O2O6PY5TQGXGRGMCC25U7U4W3C/bundle.json","state":"https://pith.science/pith/O2O6PY5TQGXGRGMCC25U7U4W3C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O2O6PY5TQGXGRGMCC25U7U4W3C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:O2O6PY5TQGXGRGMCC25U7U4W3C","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":"4575b515ae3bc8592ca32511704bb238c7343931c11fe367ef51e4213e431735","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-12-18T16:33:47Z","title_canon_sha256":"2e3151f3cc44ab68242ab3d8d96037a2bbc060df36297560400575ac0e0c2d42"},"schema_version":"1.0","source":{"id":"1912.08704","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.08704","created_at":"2026-07-05T02:48:50Z"},{"alias_kind":"arxiv_version","alias_value":"1912.08704v1","created_at":"2026-07-05T02:48:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.08704","created_at":"2026-07-05T02:48:50Z"},{"alias_kind":"pith_short_12","alias_value":"O2O6PY5TQGXG","created_at":"2026-07-05T02:48:50Z"},{"alias_kind":"pith_short_16","alias_value":"O2O6PY5TQGXGRGMC","created_at":"2026-07-05T02:48:50Z"},{"alias_kind":"pith_short_8","alias_value":"O2O6PY5T","created_at":"2026-07-05T02:48:50Z"}],"graph_snapshots":[{"event_id":"sha256:17ad61cb7431534a2340e2a6c5ac9f9c8958347744edadfb751cdb2ef5fa31b5","target":"graph","created_at":"2026-07-05T02:48:50Z","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/1912.08704/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The quantum measurement problem may have a resolution in de Broglie-Bohm theory in which measurements lead to dynamical wavefunction collapse. We study the collapse in a simple setup and find that there may be slight differences between probabilities derived from standard quantum mechanics versus those from de Broglie-Bohm theory in certain situations, possibly paving the way for an experimental test.","authors_text":"Tanmay Vachaspati","cross_cats":["gr-qc","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-12-18T16:33:47Z","title":"Dynamical quantum collapse and an experimental test"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.08704","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":"sha256:7836876d738efb8359445f21e6a377888ec83da6bc6b0d6bae3f31258ebdda45","target":"record","created_at":"2026-07-05T02:48:50Z","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":"4575b515ae3bc8592ca32511704bb238c7343931c11fe367ef51e4213e431735","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-12-18T16:33:47Z","title_canon_sha256":"2e3151f3cc44ab68242ab3d8d96037a2bbc060df36297560400575ac0e0c2d42"},"schema_version":"1.0","source":{"id":"1912.08704","kind":"arxiv","version":1}},"canonical_sha256":"769de7e3b381ae68998216bb4fd396d8b37dec0894f0ca43a8e360c3af4768d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"769de7e3b381ae68998216bb4fd396d8b37dec0894f0ca43a8e360c3af4768d2","first_computed_at":"2026-07-05T02:48:50.269651Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:48:50.269651Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f9U53rRI9jBnaSPoKapp/9RqDe3O7aseBCqIoBCvk2uw6CG7S4n+oN1hAFzmbmI0uwKp2N8dDmTzTtX42c0EDw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:48:50.270088Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.08704","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7836876d738efb8359445f21e6a377888ec83da6bc6b0d6bae3f31258ebdda45","sha256:17ad61cb7431534a2340e2a6c5ac9f9c8958347744edadfb751cdb2ef5fa31b5"],"state_sha256":"8ab52314e23f8b96bba5a25e7b7bb839aeb8dbde2721ecca1449fcad491a5ffe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"txIRcBSHWrtS2rxyoAtZ2JoHSGmUTMS2OcZcABCIPwWww8590TMcXjYErv+006oMm7KFDWkUUJ4UtgJ+RSCKCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T05:41:14.427494Z","bundle_sha256":"95f80e1b148bed0f79c14f21295676dc2f036fc8e16482323b456f7441e88c78"}}