{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:PZIU6VEMEXQIYORDG6OBXB3KSF","short_pith_number":"pith:PZIU6VEM","canonical_record":{"source":{"id":"2501.15261","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-01-25T16:10:15Z","cross_cats_sorted":[],"title_canon_sha256":"f27c88a0fa3accde748b1b13e854020943ddf66c68c7c2ea8aa1df1dbc7e95c5","abstract_canon_sha256":"ba4dd936472fea212d23dad05448b432b5517100dfbd65b89c08aed1e0136851"},"schema_version":"1.0"},"canonical_sha256":"7e514f548c25e08c3a23379c1b876a9157566b885d3239c773c40b36f765e237","source":{"kind":"arxiv","id":"2501.15261","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.15261","created_at":"2026-07-05T10:45:38Z"},{"alias_kind":"arxiv_version","alias_value":"2501.15261v3","created_at":"2026-07-05T10:45:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.15261","created_at":"2026-07-05T10:45:38Z"},{"alias_kind":"pith_short_12","alias_value":"PZIU6VEMEXQI","created_at":"2026-07-05T10:45:38Z"},{"alias_kind":"pith_short_16","alias_value":"PZIU6VEMEXQIYORD","created_at":"2026-07-05T10:45:38Z"},{"alias_kind":"pith_short_8","alias_value":"PZIU6VEM","created_at":"2026-07-05T10:45:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:PZIU6VEMEXQIYORDG6OBXB3KSF","target":"record","payload":{"canonical_record":{"source":{"id":"2501.15261","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-01-25T16:10:15Z","cross_cats_sorted":[],"title_canon_sha256":"f27c88a0fa3accde748b1b13e854020943ddf66c68c7c2ea8aa1df1dbc7e95c5","abstract_canon_sha256":"ba4dd936472fea212d23dad05448b432b5517100dfbd65b89c08aed1e0136851"},"schema_version":"1.0"},"canonical_sha256":"7e514f548c25e08c3a23379c1b876a9157566b885d3239c773c40b36f765e237","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:45:38.916688Z","signature_b64":"WKMj+31L0KkDyRWLMSPIDjO5C4gLaSZQh5KnObocLyOls3KYXdxoGLVu6XSaG16fzKcQSv8xK6nNg5iEg0bYBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e514f548c25e08c3a23379c1b876a9157566b885d3239c773c40b36f765e237","last_reissued_at":"2026-07-05T10:45:38.916216Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:45:38.916216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.15261","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:45:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QB+OLGHgCsbVg77M0EpTmLLcgzUrhlqgFGnr0Yevv4ejLvQ/Q2GPVXz12Ed+nIeO/ej9i4U4ITqAt6lv+puSBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T01:39:30.200905Z"},"content_sha256":"52b7c3f378ccb49ad313e101f93717a66cba03baef376b89b626641819238186","schema_version":"1.0","event_id":"sha256:52b7c3f378ccb49ad313e101f93717a66cba03baef376b89b626641819238186"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:PZIU6VEMEXQIYORDG6OBXB3KSF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chromatic Quantum Contextuality","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Karl Svozil","submitted_at":"2025-01-25T16:10:15Z","abstract_excerpt":"Chromatic quantum contextuality is a criterion of quantum nonclassicality based on (hyper)graph coloring constraints. If a quantum hypergraph requires more colors than the number of outcomes per maximal observable (context), it lacks a classical realization with n-uniform outcomes per context. Consequently, it cannot represent a \"completable\" non-contextual set of coexisting n-ary outcomes per maximal observable. This result serves as a chromatic analogue of the Kochen-Specker theorem. We present an explicit example of a four-colorable quantum logic in dimension three. Furthermore, chromatic c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.15261","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/2501.15261/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":"2026-07-05T10:45:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VZ9HuLACotFOpEeFPHqkx23IWd3W+I4Ne0P8ERdNSsqbxLLc5tOa+l1+R6wN1foCVTFqiXve0XECuWMSQ9xECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T01:39:30.201388Z"},"content_sha256":"b0e5b9b08ca05b2fa067a2311d9bfb9de1b110be314d11ee29dca0ef77364d1f","schema_version":"1.0","event_id":"sha256:b0e5b9b08ca05b2fa067a2311d9bfb9de1b110be314d11ee29dca0ef77364d1f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PZIU6VEMEXQIYORDG6OBXB3KSF/bundle.json","state_url":"https://pith.science/pith/PZIU6VEMEXQIYORDG6OBXB3KSF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PZIU6VEMEXQIYORDG6OBXB3KSF/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":"2026-08-10T01:39:30Z","links":{"resolver":"https://pith.science/pith/PZIU6VEMEXQIYORDG6OBXB3KSF","bundle":"https://pith.science/pith/PZIU6VEMEXQIYORDG6OBXB3KSF/bundle.json","state":"https://pith.science/pith/PZIU6VEMEXQIYORDG6OBXB3KSF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PZIU6VEMEXQIYORDG6OBXB3KSF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:PZIU6VEMEXQIYORDG6OBXB3KSF","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":"ba4dd936472fea212d23dad05448b432b5517100dfbd65b89c08aed1e0136851","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-01-25T16:10:15Z","title_canon_sha256":"f27c88a0fa3accde748b1b13e854020943ddf66c68c7c2ea8aa1df1dbc7e95c5"},"schema_version":"1.0","source":{"id":"2501.15261","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.15261","created_at":"2026-07-05T10:45:38Z"},{"alias_kind":"arxiv_version","alias_value":"2501.15261v3","created_at":"2026-07-05T10:45:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.15261","created_at":"2026-07-05T10:45:38Z"},{"alias_kind":"pith_short_12","alias_value":"PZIU6VEMEXQI","created_at":"2026-07-05T10:45:38Z"},{"alias_kind":"pith_short_16","alias_value":"PZIU6VEMEXQIYORD","created_at":"2026-07-05T10:45:38Z"},{"alias_kind":"pith_short_8","alias_value":"PZIU6VEM","created_at":"2026-07-05T10:45:38Z"}],"graph_snapshots":[{"event_id":"sha256:b0e5b9b08ca05b2fa067a2311d9bfb9de1b110be314d11ee29dca0ef77364d1f","target":"graph","created_at":"2026-07-05T10:45:38Z","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/2501.15261/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Chromatic quantum contextuality is a criterion of quantum nonclassicality based on (hyper)graph coloring constraints. If a quantum hypergraph requires more colors than the number of outcomes per maximal observable (context), it lacks a classical realization with n-uniform outcomes per context. Consequently, it cannot represent a \"completable\" non-contextual set of coexisting n-ary outcomes per maximal observable. This result serves as a chromatic analogue of the Kochen-Specker theorem. We present an explicit example of a four-colorable quantum logic in dimension three. Furthermore, chromatic c","authors_text":"Karl Svozil","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-01-25T16:10:15Z","title":"Chromatic Quantum Contextuality"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.15261","kind":"arxiv","version":3},"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":"sha256:52b7c3f378ccb49ad313e101f93717a66cba03baef376b89b626641819238186","target":"record","created_at":"2026-07-05T10:45:38Z","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":"ba4dd936472fea212d23dad05448b432b5517100dfbd65b89c08aed1e0136851","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-01-25T16:10:15Z","title_canon_sha256":"f27c88a0fa3accde748b1b13e854020943ddf66c68c7c2ea8aa1df1dbc7e95c5"},"schema_version":"1.0","source":{"id":"2501.15261","kind":"arxiv","version":3}},"canonical_sha256":"7e514f548c25e08c3a23379c1b876a9157566b885d3239c773c40b36f765e237","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e514f548c25e08c3a23379c1b876a9157566b885d3239c773c40b36f765e237","first_computed_at":"2026-07-05T10:45:38.916216Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:45:38.916216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WKMj+31L0KkDyRWLMSPIDjO5C4gLaSZQh5KnObocLyOls3KYXdxoGLVu6XSaG16fzKcQSv8xK6nNg5iEg0bYBg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:45:38.916688Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.15261","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:52b7c3f378ccb49ad313e101f93717a66cba03baef376b89b626641819238186","sha256:b0e5b9b08ca05b2fa067a2311d9bfb9de1b110be314d11ee29dca0ef77364d1f"],"state_sha256":"6b51dfa4d34a672b4a5ea61f4efeab9c42ee09badc24d84fbf4e8e884b5020b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"66U/i6oBmAByOQTrL0RPdoZ2Afq4LlyQl3IY39LcwOsGPDaz4lPixm+48WMTMF9XAYkwtwFFSmd5Qguu1oEZDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T01:39:30.204727Z","bundle_sha256":"e63e23b9181e1b7dc46758696254ab5f57f12d0b3baf124edff03576a4b1fa3a"}}