{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:YLGYFWSY6VDZUICXPVE6Q743KX","short_pith_number":"pith:YLGYFWSY","canonical_record":{"source":{"id":"1306.0820","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-06-04T14:52:44Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"65ddab25311985d372dfeda5a342e7a256c0cdf1272160b38b76528e8f6142e7","abstract_canon_sha256":"d66af16fd17c986fd18a24b6e1302db28f79731e5cfc66e148b5c5d64cb8353b"},"schema_version":"1.0"},"canonical_sha256":"c2cd82da58f5479a20577d49e87f9b55c1015d87bf3d5fa4263c5dbef2494eda","source":{"kind":"arxiv","id":"1306.0820","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.0820","created_at":"2026-05-18T01:49:33Z"},{"alias_kind":"arxiv_version","alias_value":"1306.0820v1","created_at":"2026-05-18T01:49:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.0820","created_at":"2026-05-18T01:49:33Z"},{"alias_kind":"pith_short_12","alias_value":"YLGYFWSY6VDZ","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"YLGYFWSY6VDZUICX","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"YLGYFWSY","created_at":"2026-05-18T12:28:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:YLGYFWSY6VDZUICXPVE6Q743KX","target":"record","payload":{"canonical_record":{"source":{"id":"1306.0820","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-06-04T14:52:44Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"65ddab25311985d372dfeda5a342e7a256c0cdf1272160b38b76528e8f6142e7","abstract_canon_sha256":"d66af16fd17c986fd18a24b6e1302db28f79731e5cfc66e148b5c5d64cb8353b"},"schema_version":"1.0"},"canonical_sha256":"c2cd82da58f5479a20577d49e87f9b55c1015d87bf3d5fa4263c5dbef2494eda","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:33.020262Z","signature_b64":"mnCw95lrmAjq3Z9AH92dguCIlzk4S/t0+E4KImjSw/JQXUzd5uGo4PyMfvered0t498/MghRx4givDe7zZDLCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2cd82da58f5479a20577d49e87f9b55c1015d87bf3d5fa4263c5dbef2494eda","last_reissued_at":"2026-05-18T01:49:33.019691Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:33.019691Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.0820","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":"2026-05-18T01:49:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DPGFdoHJjxedPgtWHGt9fMKplcgCHgk+JUKPA6o4d8BgA1ZigDFdi9hdHX5H1g2Hph4PLOW73kjmrbLcMO7JDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:29:05.293210Z"},"content_sha256":"51945f384b247fe6410db255ceeec311a0ee1121a744fca335a8e7c141b4b1b0","schema_version":"1.0","event_id":"sha256:51945f384b247fe6410db255ceeec311a0ee1121a744fca335a8e7c141b4b1b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:YLGYFWSY6VDZUICXPVE6Q743KX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum cosmology from the de Broglie-Bohm perspective","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"J.C. Fabris, N. Pinto-Neto","submitted_at":"2013-06-04T14:52:44Z","abstract_excerpt":"We review the main results that have been obtained in quantum cosmology from the perspective of the de Broglie-Bohm quantum theory. As it is a dynamical theory of assumed objectively real trajectories in the configuration space of the physical system under investigation, this quantum theory is not essentially probabilistic and dispenses the collapse postulate, turning it suitable to be applied to cosmology. In the framework of minisuperspace models, we show how quantum cosmological effects in the de-Broglie-Bohm's approach can avoid the initial singularity, and isotropize the Universe. We then"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.0820","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":""},"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":"2026-05-18T01:49:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h3D2/4CwDQQY6Gs9fJFJDEA6hcVVWic3rIXxAtZv5RlHavqYY9XrGa3FpgXDHgkFJdnGWv82SDhznVfkJcftAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:29:05.293607Z"},"content_sha256":"d7b9cadb978f7836fd98b9eb66fb41bcca663954d36e2bde73cbfd2cd43be550","schema_version":"1.0","event_id":"sha256:d7b9cadb978f7836fd98b9eb66fb41bcca663954d36e2bde73cbfd2cd43be550"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YLGYFWSY6VDZUICXPVE6Q743KX/bundle.json","state_url":"https://pith.science/pith/YLGYFWSY6VDZUICXPVE6Q743KX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YLGYFWSY6VDZUICXPVE6Q743KX/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":"2026-05-27T15:29:05Z","links":{"resolver":"https://pith.science/pith/YLGYFWSY6VDZUICXPVE6Q743KX","bundle":"https://pith.science/pith/YLGYFWSY6VDZUICXPVE6Q743KX/bundle.json","state":"https://pith.science/pith/YLGYFWSY6VDZUICXPVE6Q743KX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YLGYFWSY6VDZUICXPVE6Q743KX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:YLGYFWSY6VDZUICXPVE6Q743KX","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":"d66af16fd17c986fd18a24b6e1302db28f79731e5cfc66e148b5c5d64cb8353b","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-06-04T14:52:44Z","title_canon_sha256":"65ddab25311985d372dfeda5a342e7a256c0cdf1272160b38b76528e8f6142e7"},"schema_version":"1.0","source":{"id":"1306.0820","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.0820","created_at":"2026-05-18T01:49:33Z"},{"alias_kind":"arxiv_version","alias_value":"1306.0820v1","created_at":"2026-05-18T01:49:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.0820","created_at":"2026-05-18T01:49:33Z"},{"alias_kind":"pith_short_12","alias_value":"YLGYFWSY6VDZ","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"YLGYFWSY6VDZUICX","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"YLGYFWSY","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:d7b9cadb978f7836fd98b9eb66fb41bcca663954d36e2bde73cbfd2cd43be550","target":"graph","created_at":"2026-05-18T01:49:33Z","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"},"paper":{"abstract_excerpt":"We review the main results that have been obtained in quantum cosmology from the perspective of the de Broglie-Bohm quantum theory. As it is a dynamical theory of assumed objectively real trajectories in the configuration space of the physical system under investigation, this quantum theory is not essentially probabilistic and dispenses the collapse postulate, turning it suitable to be applied to cosmology. In the framework of minisuperspace models, we show how quantum cosmological effects in the de-Broglie-Bohm's approach can avoid the initial singularity, and isotropize the Universe. We then","authors_text":"J.C. Fabris, N. Pinto-Neto","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-06-04T14:52:44Z","title":"Quantum cosmology from the de Broglie-Bohm perspective"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.0820","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":"sha256:51945f384b247fe6410db255ceeec311a0ee1121a744fca335a8e7c141b4b1b0","target":"record","created_at":"2026-05-18T01:49:33Z","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":"d66af16fd17c986fd18a24b6e1302db28f79731e5cfc66e148b5c5d64cb8353b","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-06-04T14:52:44Z","title_canon_sha256":"65ddab25311985d372dfeda5a342e7a256c0cdf1272160b38b76528e8f6142e7"},"schema_version":"1.0","source":{"id":"1306.0820","kind":"arxiv","version":1}},"canonical_sha256":"c2cd82da58f5479a20577d49e87f9b55c1015d87bf3d5fa4263c5dbef2494eda","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2cd82da58f5479a20577d49e87f9b55c1015d87bf3d5fa4263c5dbef2494eda","first_computed_at":"2026-05-18T01:49:33.019691Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:33.019691Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mnCw95lrmAjq3Z9AH92dguCIlzk4S/t0+E4KImjSw/JQXUzd5uGo4PyMfvered0t498/MghRx4givDe7zZDLCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:33.020262Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.0820","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:51945f384b247fe6410db255ceeec311a0ee1121a744fca335a8e7c141b4b1b0","sha256:d7b9cadb978f7836fd98b9eb66fb41bcca663954d36e2bde73cbfd2cd43be550"],"state_sha256":"83c1d085cc82805ec6673653f9ba68f1f4f85374c0f666e006d9a2f2dee402ea"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/AjR9cs7mLKz76PkcRocchGAmi0iMkntt7hWxYSL5PdfsUKIUGq0a1HeODmSRQ/sibHyJ7jfOAh+kBq6fdVMCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T15:29:05.297081Z","bundle_sha256":"304c286a70dace5d40798a1039d3bbd80222c95d66b530dd9d18b980a157d8b1"}}