{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:4KP662FGUJIRURN4CQR4OTKTPE","short_pith_number":"pith:4KP662FG","schema_version":"1.0","canonical_sha256":"e29fef68a6a2511a45bc1423c74d537910ba7bb0b77b553f9c026c54ab51efaf","source":{"kind":"arxiv","id":"2512.09100","version":3},"attestation_state":"computed","paper":{"title":"Certified Private Relational Time from Entanglement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Karl Svozil","submitted_at":"2025-12-09T20:33:04Z","abstract_excerpt":"We introduce an ``entangled clock'' in which time is defined operationally by discrete measurement registrations on a singlet state. Locally, each party's tick rate is fixed by the unbiased marginals. The nontrivial resource is the relational (coincidence-tick) stream: because the singlet's information budget is entirely exhausted by joint properties, the only definite temporal structure resides in the correlations between the two parties. Operationally, after exchanging time tags and outcomes, Alice and Bob identify synchronized events (that is, the $++$ channel) and thereby obtain a joint ti"},"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":"2512.09100","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-12-09T20:33:04Z","cross_cats_sorted":[],"title_canon_sha256":"cfa5bbba185bf13f35b7f6367edf637d041b7976911bd4dbbd509228964a8bd8","abstract_canon_sha256":"83a7f4b57fc0de6749f29b7f7de23412deeeb540c5215481734ee938559db2fc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T02:13:19.314612Z","signature_b64":"f191vIr3oWYZm6pqE+euHdSvCxxVudU2C2/ICYzRH6VARdMXyrD0d+6ikW1KIbdbOQ5MMluB5r9YIOuclSxDCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e29fef68a6a2511a45bc1423c74d537910ba7bb0b77b553f9c026c54ab51efaf","last_reissued_at":"2026-06-23T02:13:19.314248Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T02:13:19.314248Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Certified Private Relational Time from Entanglement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Karl Svozil","submitted_at":"2025-12-09T20:33:04Z","abstract_excerpt":"We introduce an ``entangled clock'' in which time is defined operationally by discrete measurement registrations on a singlet state. Locally, each party's tick rate is fixed by the unbiased marginals. The nontrivial resource is the relational (coincidence-tick) stream: because the singlet's information budget is entirely exhausted by joint properties, the only definite temporal structure resides in the correlations between the two parties. Operationally, after exchanging time tags and outcomes, Alice and Bob identify synchronized events (that is, the $++$ channel) and thereby obtain a joint ti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.09100","kind":"arxiv","version":3},"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/2512.09100/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2512.09100","created_at":"2026-06-23T02:13:19.314306+00:00"},{"alias_kind":"arxiv_version","alias_value":"2512.09100v3","created_at":"2026-06-23T02:13:19.314306+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.09100","created_at":"2026-06-23T02:13:19.314306+00:00"},{"alias_kind":"pith_short_12","alias_value":"4KP662FGUJIR","created_at":"2026-06-23T02:13:19.314306+00:00"},{"alias_kind":"pith_short_16","alias_value":"4KP662FGUJIRURN4","created_at":"2026-06-23T02:13:19.314306+00:00"},{"alias_kind":"pith_short_8","alias_value":"4KP662FG","created_at":"2026-06-23T02:13:19.314306+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/4KP662FGUJIRURN4CQR4OTKTPE","json":"https://pith.science/pith/4KP662FGUJIRURN4CQR4OTKTPE.json","graph_json":"https://pith.science/api/pith-number/4KP662FGUJIRURN4CQR4OTKTPE/graph.json","events_json":"https://pith.science/api/pith-number/4KP662FGUJIRURN4CQR4OTKTPE/events.json","paper":"https://pith.science/paper/4KP662FG"},"agent_actions":{"view_html":"https://pith.science/pith/4KP662FGUJIRURN4CQR4OTKTPE","download_json":"https://pith.science/pith/4KP662FGUJIRURN4CQR4OTKTPE.json","view_paper":"https://pith.science/paper/4KP662FG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2512.09100&json=true","fetch_graph":"https://pith.science/api/pith-number/4KP662FGUJIRURN4CQR4OTKTPE/graph.json","fetch_events":"https://pith.science/api/pith-number/4KP662FGUJIRURN4CQR4OTKTPE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4KP662FGUJIRURN4CQR4OTKTPE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4KP662FGUJIRURN4CQR4OTKTPE/action/storage_attestation","attest_author":"https://pith.science/pith/4KP662FGUJIRURN4CQR4OTKTPE/action/author_attestation","sign_citation":"https://pith.science/pith/4KP662FGUJIRURN4CQR4OTKTPE/action/citation_signature","submit_replication":"https://pith.science/pith/4KP662FGUJIRURN4CQR4OTKTPE/action/replication_record"}},"created_at":"2026-06-23T02:13:19.314306+00:00","updated_at":"2026-06-23T02:13:19.314306+00:00"}