{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:NFDD5JBY3PQB77FEP6C2MR6PBZ","short_pith_number":"pith:NFDD5JBY","schema_version":"1.0","canonical_sha256":"69463ea438dbe01ffca47f85a647cf0e4eeb708da7961a68cb63bfc9f9f3c31c","source":{"kind":"arxiv","id":"1305.0961","version":2},"attestation_state":"computed","paper":{"title":"Time-Reversible Random Number Generators : Solution of Our Challenge by Federico Ricci-Tersenghi","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","physics.comp-ph"],"primary_cat":"cs.DM","authors_text":"Carol G. Hoover, Wm. G. Hoover","submitted_at":"2013-05-04T21:30:36Z","abstract_excerpt":"Nearly all the evolution equations of physics are time-reversible, in the sense that a movie of the solution, played backwards, would obey exactly the same differential equations as the original forward solution. By way of contrast, stochastic approaches are typically not time-reversible, though they could be made so by the simple expedient of storing their underlying pseudorandom numbers in an array. Here we illustrate the notion of time-reversible random number generators. In Version 1 we offered a suitable reward for the first arXiv response furnishing a reversed version of an only slightly"},"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":"1305.0961","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2013-05-04T21:30:36Z","cross_cats_sorted":["cond-mat.stat-mech","physics.comp-ph"],"title_canon_sha256":"8eeb035bbe17071623815fc2fd0ec8321846f165a21ea5c18a78504a09ceb21e","abstract_canon_sha256":"7f5eea7deb3cc3bb3343179d86b5acfd6a3c8cba8d492827738c473ac60ebf4f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:25:24.711003Z","signature_b64":"jBI16cqxm+itO4rWO43F/IQhWRc2RwoXffI7N2/v6jkF4iPNf7azxS16qUvSKROjQCY3kk4QqDt8OCTmWeRnBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69463ea438dbe01ffca47f85a647cf0e4eeb708da7961a68cb63bfc9f9f3c31c","last_reissued_at":"2026-05-18T03:25:24.709455Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:25:24.709455Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Time-Reversible Random Number Generators : Solution of Our Challenge by Federico Ricci-Tersenghi","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","physics.comp-ph"],"primary_cat":"cs.DM","authors_text":"Carol G. Hoover, Wm. G. Hoover","submitted_at":"2013-05-04T21:30:36Z","abstract_excerpt":"Nearly all the evolution equations of physics are time-reversible, in the sense that a movie of the solution, played backwards, would obey exactly the same differential equations as the original forward solution. By way of contrast, stochastic approaches are typically not time-reversible, though they could be made so by the simple expedient of storing their underlying pseudorandom numbers in an array. Here we illustrate the notion of time-reversible random number generators. In Version 1 we offered a suitable reward for the first arXiv response furnishing a reversed version of an only slightly"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.0961","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":"1305.0961","created_at":"2026-05-18T03:25:24.710389+00:00"},{"alias_kind":"arxiv_version","alias_value":"1305.0961v2","created_at":"2026-05-18T03:25:24.710389+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.0961","created_at":"2026-05-18T03:25:24.710389+00:00"},{"alias_kind":"pith_short_12","alias_value":"NFDD5JBY3PQB","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_16","alias_value":"NFDD5JBY3PQB77FE","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_8","alias_value":"NFDD5JBY","created_at":"2026-05-18T12:27:52.871228+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/NFDD5JBY3PQB77FEP6C2MR6PBZ","json":"https://pith.science/pith/NFDD5JBY3PQB77FEP6C2MR6PBZ.json","graph_json":"https://pith.science/api/pith-number/NFDD5JBY3PQB77FEP6C2MR6PBZ/graph.json","events_json":"https://pith.science/api/pith-number/NFDD5JBY3PQB77FEP6C2MR6PBZ/events.json","paper":"https://pith.science/paper/NFDD5JBY"},"agent_actions":{"view_html":"https://pith.science/pith/NFDD5JBY3PQB77FEP6C2MR6PBZ","download_json":"https://pith.science/pith/NFDD5JBY3PQB77FEP6C2MR6PBZ.json","view_paper":"https://pith.science/paper/NFDD5JBY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1305.0961&json=true","fetch_graph":"https://pith.science/api/pith-number/NFDD5JBY3PQB77FEP6C2MR6PBZ/graph.json","fetch_events":"https://pith.science/api/pith-number/NFDD5JBY3PQB77FEP6C2MR6PBZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NFDD5JBY3PQB77FEP6C2MR6PBZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NFDD5JBY3PQB77FEP6C2MR6PBZ/action/storage_attestation","attest_author":"https://pith.science/pith/NFDD5JBY3PQB77FEP6C2MR6PBZ/action/author_attestation","sign_citation":"https://pith.science/pith/NFDD5JBY3PQB77FEP6C2MR6PBZ/action/citation_signature","submit_replication":"https://pith.science/pith/NFDD5JBY3PQB77FEP6C2MR6PBZ/action/replication_record"}},"created_at":"2026-05-18T03:25:24.710389+00:00","updated_at":"2026-05-18T03:25:24.710389+00:00"}