{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:D6NCKDXUCG57JQOIB52QYKHVOD","short_pith_number":"pith:D6NCKDXU","canonical_record":{"source":{"id":"2504.12382","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-04-16T18:00:01Z","cross_cats_sorted":["hep-ex","quant-ph"],"title_canon_sha256":"c8d4c3140c6c175fe64b8e2d61d65fb0bc47b0161933a09a307c38b371cd8364","abstract_canon_sha256":"16a498d5efdbfc6d493eaf7d353e0f29bf8e1b13bd080b50eaf0c5da8982fcf8"},"schema_version":"1.0"},"canonical_sha256":"1f9a250ef411bbf4c1c80f750c28f570f8abf3b1fe81b18b08284f231f392339","source":{"kind":"arxiv","id":"2504.12382","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.12382","created_at":"2026-07-05T10:50:15Z"},{"alias_kind":"arxiv_version","alias_value":"2504.12382v1","created_at":"2026-07-05T10:50:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.12382","created_at":"2026-07-05T10:50:15Z"},{"alias_kind":"pith_short_12","alias_value":"D6NCKDXUCG57","created_at":"2026-07-05T10:50:15Z"},{"alias_kind":"pith_short_16","alias_value":"D6NCKDXUCG57JQOI","created_at":"2026-07-05T10:50:15Z"},{"alias_kind":"pith_short_8","alias_value":"D6NCKDXU","created_at":"2026-07-05T10:50:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:D6NCKDXUCG57JQOIB52QYKHVOD","target":"record","payload":{"canonical_record":{"source":{"id":"2504.12382","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-04-16T18:00:01Z","cross_cats_sorted":["hep-ex","quant-ph"],"title_canon_sha256":"c8d4c3140c6c175fe64b8e2d61d65fb0bc47b0161933a09a307c38b371cd8364","abstract_canon_sha256":"16a498d5efdbfc6d493eaf7d353e0f29bf8e1b13bd080b50eaf0c5da8982fcf8"},"schema_version":"1.0"},"canonical_sha256":"1f9a250ef411bbf4c1c80f750c28f570f8abf3b1fe81b18b08284f231f392339","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:50:15.243439Z","signature_b64":"RCnw7wpW87FgJHgyCBL/TtJ8buOMCQ0ED5uia0H+USHbsF1XdS1HTf9EUOXdHOcqcnK0e43eEk4d17tXXjFqDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f9a250ef411bbf4c1c80f750c28f570f8abf3b1fe81b18b08284f231f392339","last_reissued_at":"2026-07-05T10:50:15.242928Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:50:15.242928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.12382","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":"2026-07-05T10:50:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Iayf+XSrKPH+evR5ev9+HSSuHfhesZ4Pfov2lyRznug+KFaPbtsbWzMvHna1aamUv716vfGW5v7/k/nUptFqDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T13:50:07.186324Z"},"content_sha256":"7b3bbb176b948176b05ef1361ef8dcfa333b01c5f9479fe3ad4bc4fc389ac862","schema_version":"1.0","event_id":"sha256:7b3bbb176b948176b05ef1361ef8dcfa333b01c5f9479fe3ad4bc4fc389ac862"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:D6NCKDXUCG57JQOIB52QYKHVOD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tests of quantum contextuality in particle physics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","quant-ph"],"primary_cat":"hep-ph","authors_text":"E. Gabrielli, L. Marzola, M. Fabbrichesi, R. Floreanini","submitted_at":"2025-04-16T18:00:01Z","abstract_excerpt":"Quantum contextuality refers to the impossibility of assigning a predefined, intrinsic value to a physical property of a system independently of the context in which the property is measured. It is, perhaps, the most fundamental feature of quantum mechanics. The many states with different spin that particle physics provides are the ideal setting for testing contextuality. We verify that the polarization states of single spin-1 massive particles produced at colliders are contextual. We test $W^{+}$ gauge bosons produced in top-quark decays, $J/\\psi$ and $K^{*}(892)^0$ mesons in $B$-meson decays"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.12382","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2504.12382/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":"2026-07-05T10:50:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0UL/G1FPThX/TxGUG4lMBekf9izINm00nXDm6e5HiMDZucYCsiZx1gUcMQCNQ8jZ6f3B/3ULBcgU8GD7zomBDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T13:50:07.189256Z"},"content_sha256":"c5caa077b2c8c9886a956d8f9e8a180c3d9731bfcc40d6c9fa368a69e4d75fc6","schema_version":"1.0","event_id":"sha256:c5caa077b2c8c9886a956d8f9e8a180c3d9731bfcc40d6c9fa368a69e4d75fc6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D6NCKDXUCG57JQOIB52QYKHVOD/bundle.json","state_url":"https://pith.science/pith/D6NCKDXUCG57JQOIB52QYKHVOD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D6NCKDXUCG57JQOIB52QYKHVOD/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":"2026-08-17T13:50:07Z","links":{"resolver":"https://pith.science/pith/D6NCKDXUCG57JQOIB52QYKHVOD","bundle":"https://pith.science/pith/D6NCKDXUCG57JQOIB52QYKHVOD/bundle.json","state":"https://pith.science/pith/D6NCKDXUCG57JQOIB52QYKHVOD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D6NCKDXUCG57JQOIB52QYKHVOD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:D6NCKDXUCG57JQOIB52QYKHVOD","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":"16a498d5efdbfc6d493eaf7d353e0f29bf8e1b13bd080b50eaf0c5da8982fcf8","cross_cats_sorted":["hep-ex","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-04-16T18:00:01Z","title_canon_sha256":"c8d4c3140c6c175fe64b8e2d61d65fb0bc47b0161933a09a307c38b371cd8364"},"schema_version":"1.0","source":{"id":"2504.12382","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.12382","created_at":"2026-07-05T10:50:15Z"},{"alias_kind":"arxiv_version","alias_value":"2504.12382v1","created_at":"2026-07-05T10:50:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.12382","created_at":"2026-07-05T10:50:15Z"},{"alias_kind":"pith_short_12","alias_value":"D6NCKDXUCG57","created_at":"2026-07-05T10:50:15Z"},{"alias_kind":"pith_short_16","alias_value":"D6NCKDXUCG57JQOI","created_at":"2026-07-05T10:50:15Z"},{"alias_kind":"pith_short_8","alias_value":"D6NCKDXU","created_at":"2026-07-05T10:50:15Z"}],"graph_snapshots":[{"event_id":"sha256:c5caa077b2c8c9886a956d8f9e8a180c3d9731bfcc40d6c9fa368a69e4d75fc6","target":"graph","created_at":"2026-07-05T10:50:15Z","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/2504.12382/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum contextuality refers to the impossibility of assigning a predefined, intrinsic value to a physical property of a system independently of the context in which the property is measured. It is, perhaps, the most fundamental feature of quantum mechanics. The many states with different spin that particle physics provides are the ideal setting for testing contextuality. We verify that the polarization states of single spin-1 massive particles produced at colliders are contextual. We test $W^{+}$ gauge bosons produced in top-quark decays, $J/\\psi$ and $K^{*}(892)^0$ mesons in $B$-meson decays","authors_text":"E. Gabrielli, L. Marzola, M. Fabbrichesi, R. Floreanini","cross_cats":["hep-ex","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-04-16T18:00:01Z","title":"Tests of quantum contextuality in particle physics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.12382","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":"sha256:7b3bbb176b948176b05ef1361ef8dcfa333b01c5f9479fe3ad4bc4fc389ac862","target":"record","created_at":"2026-07-05T10:50:15Z","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":"16a498d5efdbfc6d493eaf7d353e0f29bf8e1b13bd080b50eaf0c5da8982fcf8","cross_cats_sorted":["hep-ex","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-04-16T18:00:01Z","title_canon_sha256":"c8d4c3140c6c175fe64b8e2d61d65fb0bc47b0161933a09a307c38b371cd8364"},"schema_version":"1.0","source":{"id":"2504.12382","kind":"arxiv","version":1}},"canonical_sha256":"1f9a250ef411bbf4c1c80f750c28f570f8abf3b1fe81b18b08284f231f392339","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f9a250ef411bbf4c1c80f750c28f570f8abf3b1fe81b18b08284f231f392339","first_computed_at":"2026-07-05T10:50:15.242928Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:50:15.242928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RCnw7wpW87FgJHgyCBL/TtJ8buOMCQ0ED5uia0H+USHbsF1XdS1HTf9EUOXdHOcqcnK0e43eEk4d17tXXjFqDw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:50:15.243439Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.12382","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b3bbb176b948176b05ef1361ef8dcfa333b01c5f9479fe3ad4bc4fc389ac862","sha256:c5caa077b2c8c9886a956d8f9e8a180c3d9731bfcc40d6c9fa368a69e4d75fc6"],"state_sha256":"3f3840fc34ababa4e19b90acab44e87281eab13f479d7e0e3a54ed8be943c4c8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9DLtjhklZkw8pPW2d0JVHOl69hu6uDDPpM7bwXC1HPZs3hnRXh8BVmbZ191e/ZDAg1KWz2JA06oQ363T7ilwCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T13:50:07.197942Z","bundle_sha256":"82b51d84d3470c1ba34c32b99f311b39d390b5ae4b52a3f4220025a71edddda8"}}