{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:K7LUJMHKEXYAOENAVDJFCU7Z2R","short_pith_number":"pith:K7LUJMHK","schema_version":"1.0","canonical_sha256":"57d744b0ea25f00711a0a8d25153f9d47b6d3b5d304af696fac558090eae76c1","source":{"kind":"arxiv","id":"1508.05377","version":2},"attestation_state":"computed","paper":{"title":"On decoherence in quantum gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Dmitriy Podolskiy, Robert Lanza","submitted_at":"2015-08-21T19:35:50Z","abstract_excerpt":"It was previously argued that the phenomenon of quantum gravitational decoherence described by the Wheeler-DeWitt equation is responsible for the emergence of the arrow of time. Here we show that the characteristic spatio-temporal scales of quantum gravitational decoherence are typically logarithmically larger than a characteristic curvature radius $R^{-1/2}$ of the background space-time with a factor under the logarithm proportional to $M_{P}^{2}/R$. This largeness is a direct consequence of the fact that gravity is a non-renormalizable theory, as the corresponding effective field theory is n"},"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":"1508.05377","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-08-21T19:35:50Z","cross_cats_sorted":[],"title_canon_sha256":"26d65691f1d40e4d3cb36c76067022514e3e9cc1cf812d08f0643b4e0e614ca7","abstract_canon_sha256":"49e5ee917975a108357d3e8baa2c4f192e61759fef19ce94d733439296f8acd0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:50:01.910277Z","signature_b64":"5bIZ+NKm9pjbOVzNh6GicpxEsE8Kd4eerU636H2C+/0OlhJRpRCuR0DRd1elYELTtsV6nFQGn1dMAAS7+8kwAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57d744b0ea25f00711a0a8d25153f9d47b6d3b5d304af696fac558090eae76c1","last_reissued_at":"2026-05-18T00:50:01.909649Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:50:01.909649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On decoherence in quantum gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Dmitriy Podolskiy, Robert Lanza","submitted_at":"2015-08-21T19:35:50Z","abstract_excerpt":"It was previously argued that the phenomenon of quantum gravitational decoherence described by the Wheeler-DeWitt equation is responsible for the emergence of the arrow of time. Here we show that the characteristic spatio-temporal scales of quantum gravitational decoherence are typically logarithmically larger than a characteristic curvature radius $R^{-1/2}$ of the background space-time with a factor under the logarithm proportional to $M_{P}^{2}/R$. This largeness is a direct consequence of the fact that gravity is a non-renormalizable theory, as the corresponding effective field theory is n"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.05377","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":""},"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":"1508.05377","created_at":"2026-05-18T00:50:01.909739+00:00"},{"alias_kind":"arxiv_version","alias_value":"1508.05377v2","created_at":"2026-05-18T00:50:01.909739+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.05377","created_at":"2026-05-18T00:50:01.909739+00:00"},{"alias_kind":"pith_short_12","alias_value":"K7LUJMHKEXYA","created_at":"2026-05-18T12:29:27.538025+00:00"},{"alias_kind":"pith_short_16","alias_value":"K7LUJMHKEXYAOENA","created_at":"2026-05-18T12:29:27.538025+00:00"},{"alias_kind":"pith_short_8","alias_value":"K7LUJMHK","created_at":"2026-05-18T12:29:27.538025+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/K7LUJMHKEXYAOENAVDJFCU7Z2R","json":"https://pith.science/pith/K7LUJMHKEXYAOENAVDJFCU7Z2R.json","graph_json":"https://pith.science/api/pith-number/K7LUJMHKEXYAOENAVDJFCU7Z2R/graph.json","events_json":"https://pith.science/api/pith-number/K7LUJMHKEXYAOENAVDJFCU7Z2R/events.json","paper":"https://pith.science/paper/K7LUJMHK"},"agent_actions":{"view_html":"https://pith.science/pith/K7LUJMHKEXYAOENAVDJFCU7Z2R","download_json":"https://pith.science/pith/K7LUJMHKEXYAOENAVDJFCU7Z2R.json","view_paper":"https://pith.science/paper/K7LUJMHK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1508.05377&json=true","fetch_graph":"https://pith.science/api/pith-number/K7LUJMHKEXYAOENAVDJFCU7Z2R/graph.json","fetch_events":"https://pith.science/api/pith-number/K7LUJMHKEXYAOENAVDJFCU7Z2R/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/K7LUJMHKEXYAOENAVDJFCU7Z2R/action/timestamp_anchor","attest_storage":"https://pith.science/pith/K7LUJMHKEXYAOENAVDJFCU7Z2R/action/storage_attestation","attest_author":"https://pith.science/pith/K7LUJMHKEXYAOENAVDJFCU7Z2R/action/author_attestation","sign_citation":"https://pith.science/pith/K7LUJMHKEXYAOENAVDJFCU7Z2R/action/citation_signature","submit_replication":"https://pith.science/pith/K7LUJMHKEXYAOENAVDJFCU7Z2R/action/replication_record"}},"created_at":"2026-05-18T00:50:01.909739+00:00","updated_at":"2026-05-18T00:50:01.909739+00:00"}