{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:AXHFQDMG5LQSI2UO6D6TDGVXNR","short_pith_number":"pith:AXHFQDMG","canonical_record":{"source":{"id":"1004.2836","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-04-16T13:22:55Z","cross_cats_sorted":[],"title_canon_sha256":"025909e4b31e827a3175ac17bb54a45b7b7a808524bb87da37aca714f3688c0b","abstract_canon_sha256":"ad5e7ff87045f2ad1e13822494897d823cbeeb1ef974fa4ffb02a6136ddc0b40"},"schema_version":"1.0"},"canonical_sha256":"05ce580d86eae1246a8ef0fd319ab76c4da182b4d4036833838e2e479ece3d72","source":{"kind":"arxiv","id":"1004.2836","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.2836","created_at":"2026-05-18T04:42:36Z"},{"alias_kind":"arxiv_version","alias_value":"1004.2836v1","created_at":"2026-05-18T04:42:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.2836","created_at":"2026-05-18T04:42:36Z"},{"alias_kind":"pith_short_12","alias_value":"AXHFQDMG5LQS","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"AXHFQDMG5LQSI2UO","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"AXHFQDMG","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:AXHFQDMG5LQSI2UO6D6TDGVXNR","target":"record","payload":{"canonical_record":{"source":{"id":"1004.2836","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-04-16T13:22:55Z","cross_cats_sorted":[],"title_canon_sha256":"025909e4b31e827a3175ac17bb54a45b7b7a808524bb87da37aca714f3688c0b","abstract_canon_sha256":"ad5e7ff87045f2ad1e13822494897d823cbeeb1ef974fa4ffb02a6136ddc0b40"},"schema_version":"1.0"},"canonical_sha256":"05ce580d86eae1246a8ef0fd319ab76c4da182b4d4036833838e2e479ece3d72","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:42:36.103835Z","signature_b64":"NjQZbY9M5ElfyqRQOED21d5lDqgXuq0Az8rufja7M6nrO+0TkmzkYeK1m/IATQJ3P4a7bwDVOLwIvSe8cBBeAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"05ce580d86eae1246a8ef0fd319ab76c4da182b4d4036833838e2e479ece3d72","last_reissued_at":"2026-05-18T04:42:36.102788Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:42:36.102788Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1004.2836","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":"2026-05-18T04:42:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z4O4ddqxZTXfrQmWgIn5d8PbJa3YIAuaFqMeiBujOoHEiSYUYG8Vb50ZR6flSk+pXI/5C40/2wzzhPYA19/sCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T05:26:00.277129Z"},"content_sha256":"07f63199673cbe7cabb36fcbea01a3c3e6588d97a472c4a62986c93797db904c","schema_version":"1.0","event_id":"sha256:07f63199673cbe7cabb36fcbea01a3c3e6588d97a472c4a62986c93797db904c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:AXHFQDMG5LQSI2UO6D6TDGVXNR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Kochen-Specker theorem studied with neutron interferometer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Helmut Rauch, Katharina Durstberger-Rennhofer, Stephan Sponar, Yuji Hasegawa","submitted_at":"2010-04-16T13:22:55Z","abstract_excerpt":"The Kochen-Specker theorem theoretically shows evidence of the incompatibility of noncontextual hidden variable theories with quantum mechanics. Quantum contextuality is a more general concept than quantum non-locality which is quite well tested in experiments by using Bell inequalities. Within neutron interferometry we performed an experimental test  of the Kochen-Specker theorem with an inequality, which identifies quantum contextuality, by using spin-path entanglement in a single neutron system. Here entanglement is achieved not between different particles, but between degrees of freedom, i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.2836","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":""},"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":"2026-05-18T04:42:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lqDndjISsZJjbtEn1T9Dfz/E2zSTWWT+e8xoz9Gx/tIeun8dgz68k/j4LaOpHrOwjTu66ndTvG91p1B4wH46DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T05:26:00.277877Z"},"content_sha256":"4a64c19235e63a220fc4e6fadfa2cd89815a3d6ec8cac4ed9934426ec1128d43","schema_version":"1.0","event_id":"sha256:4a64c19235e63a220fc4e6fadfa2cd89815a3d6ec8cac4ed9934426ec1128d43"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AXHFQDMG5LQSI2UO6D6TDGVXNR/bundle.json","state_url":"https://pith.science/pith/AXHFQDMG5LQSI2UO6D6TDGVXNR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AXHFQDMG5LQSI2UO6D6TDGVXNR/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":"2026-06-09T05:26:00Z","links":{"resolver":"https://pith.science/pith/AXHFQDMG5LQSI2UO6D6TDGVXNR","bundle":"https://pith.science/pith/AXHFQDMG5LQSI2UO6D6TDGVXNR/bundle.json","state":"https://pith.science/pith/AXHFQDMG5LQSI2UO6D6TDGVXNR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AXHFQDMG5LQSI2UO6D6TDGVXNR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:AXHFQDMG5LQSI2UO6D6TDGVXNR","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":"ad5e7ff87045f2ad1e13822494897d823cbeeb1ef974fa4ffb02a6136ddc0b40","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-04-16T13:22:55Z","title_canon_sha256":"025909e4b31e827a3175ac17bb54a45b7b7a808524bb87da37aca714f3688c0b"},"schema_version":"1.0","source":{"id":"1004.2836","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.2836","created_at":"2026-05-18T04:42:36Z"},{"alias_kind":"arxiv_version","alias_value":"1004.2836v1","created_at":"2026-05-18T04:42:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.2836","created_at":"2026-05-18T04:42:36Z"},{"alias_kind":"pith_short_12","alias_value":"AXHFQDMG5LQS","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"AXHFQDMG5LQSI2UO","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"AXHFQDMG","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:4a64c19235e63a220fc4e6fadfa2cd89815a3d6ec8cac4ed9934426ec1128d43","target":"graph","created_at":"2026-05-18T04:42:36Z","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"},"paper":{"abstract_excerpt":"The Kochen-Specker theorem theoretically shows evidence of the incompatibility of noncontextual hidden variable theories with quantum mechanics. Quantum contextuality is a more general concept than quantum non-locality which is quite well tested in experiments by using Bell inequalities. Within neutron interferometry we performed an experimental test  of the Kochen-Specker theorem with an inequality, which identifies quantum contextuality, by using spin-path entanglement in a single neutron system. Here entanglement is achieved not between different particles, but between degrees of freedom, i","authors_text":"Helmut Rauch, Katharina Durstberger-Rennhofer, Stephan Sponar, Yuji Hasegawa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-04-16T13:22:55Z","title":"Kochen-Specker theorem studied with neutron interferometer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.2836","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":"sha256:07f63199673cbe7cabb36fcbea01a3c3e6588d97a472c4a62986c93797db904c","target":"record","created_at":"2026-05-18T04:42:36Z","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":"ad5e7ff87045f2ad1e13822494897d823cbeeb1ef974fa4ffb02a6136ddc0b40","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-04-16T13:22:55Z","title_canon_sha256":"025909e4b31e827a3175ac17bb54a45b7b7a808524bb87da37aca714f3688c0b"},"schema_version":"1.0","source":{"id":"1004.2836","kind":"arxiv","version":1}},"canonical_sha256":"05ce580d86eae1246a8ef0fd319ab76c4da182b4d4036833838e2e479ece3d72","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"05ce580d86eae1246a8ef0fd319ab76c4da182b4d4036833838e2e479ece3d72","first_computed_at":"2026-05-18T04:42:36.102788Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:42:36.102788Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NjQZbY9M5ElfyqRQOED21d5lDqgXuq0Az8rufja7M6nrO+0TkmzkYeK1m/IATQJ3P4a7bwDVOLwIvSe8cBBeAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:42:36.103835Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.2836","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07f63199673cbe7cabb36fcbea01a3c3e6588d97a472c4a62986c93797db904c","sha256:4a64c19235e63a220fc4e6fadfa2cd89815a3d6ec8cac4ed9934426ec1128d43"],"state_sha256":"4a3f11fdaa0167f9927f8c1d224775cc633d7cdc85f28f7956e759d884110d2f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rN8llnsYbX0yRVz736ospVRRCo1wWuts3ZjDVmrML8IjJ8Gq3otmTMLmO8gSDBGy9RDTaQcHLfiIbSC0r+gKBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T05:26:00.281018Z","bundle_sha256":"af5e79ce9529458d0fddece354950d0896a32c54e54639782154a410db6a7133"}}