{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:PTROTU7OEOEY5GI6AVEWP3LMD7","short_pith_number":"pith:PTROTU7O","canonical_record":{"source":{"id":"1408.6857","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-28T20:28:37Z","cross_cats_sorted":[],"title_canon_sha256":"1a039ee893df6739c845cc364749e4af44f232a8e20d326cf3794f3e5fdd1772","abstract_canon_sha256":"413536a217d4e6476817b6af6302e7001fa3223320f49dcf8be919dabba2b521"},"schema_version":"1.0"},"canonical_sha256":"7ce2e9d3ee23898e991e054967ed6c1fdf3674b418ce42878410a8c69a84bdae","source":{"kind":"arxiv","id":"1408.6857","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6857","created_at":"2026-05-18T02:44:00Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6857v1","created_at":"2026-05-18T02:44:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6857","created_at":"2026-05-18T02:44:00Z"},{"alias_kind":"pith_short_12","alias_value":"PTROTU7OEOEY","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"PTROTU7OEOEY5GI6","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"PTROTU7O","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:PTROTU7OEOEY5GI6AVEWP3LMD7","target":"record","payload":{"canonical_record":{"source":{"id":"1408.6857","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-28T20:28:37Z","cross_cats_sorted":[],"title_canon_sha256":"1a039ee893df6739c845cc364749e4af44f232a8e20d326cf3794f3e5fdd1772","abstract_canon_sha256":"413536a217d4e6476817b6af6302e7001fa3223320f49dcf8be919dabba2b521"},"schema_version":"1.0"},"canonical_sha256":"7ce2e9d3ee23898e991e054967ed6c1fdf3674b418ce42878410a8c69a84bdae","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:44:00.128635Z","signature_b64":"IJKJRC0ZlEYI4QI0lSqulbeXqWq8BGsdL6DhC5zAEtFMF776ddJ8cxhZD09HGqnjvOOBREgXHFjnpC9uwwICCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ce2e9d3ee23898e991e054967ed6c1fdf3674b418ce42878410a8c69a84bdae","last_reissued_at":"2026-05-18T02:44:00.128056Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:44:00.128056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.6857","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":"2026-05-18T02:44:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dbYQPLKMn0YhZXwsu56/nCAASPr2Uc4xvDwXuCzRlzxJIdbLsFv8IebtPdLlZhtX096LzkhO9ue4KfntuqxqBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:43:58.513374Z"},"content_sha256":"91f990d0808b131ca679859eb17149fe4f5b9b658130cf088527294ef3583c4f","schema_version":"1.0","event_id":"sha256:91f990d0808b131ca679859eb17149fe4f5b9b658130cf088527294ef3583c4f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:PTROTU7OEOEY5GI6AVEWP3LMD7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Applying the simplest Kochen-Specker set for quantum information processing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Ad\\'an Cabello, Esteban S. G\\'omez, Guilherme B. Xavier, Gustavo Ca\\~nas, Gustavo Lima, Mauricio Arias, Sebasti\\'an Etcheverry","submitted_at":"2014-08-28T20:28:37Z","abstract_excerpt":"Kochen-Specker (KS) sets are key tools for proving some fundamental results in quantum theory and also have potential applications in quantum information processing. However, so far, their intrinsic complexity has prevented experimentalists from using them for any application. The KS set requiring the smallest number of contexts has been recently found. Relying on this simple KS set, here we report an input state-independent experimental technique to certify whether a set of measurements is actually accessing a preestablished quantum six-dimensional space encoded in the transverse momentum of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6857","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":"2026-05-18T02:44:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z1GH3GtxOx1kuOITf8U9WpQUOLe34Ls4U9o5SLB0EGgquqs9bkZMsKq6Yc7LhCLxiq19ZD3tQl0/5O60GmSjAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:43:58.513750Z"},"content_sha256":"ee470b1c1306ff61edc4479c418822ebf01cbb3eeb54477de8c36a9fc6bb6622","schema_version":"1.0","event_id":"sha256:ee470b1c1306ff61edc4479c418822ebf01cbb3eeb54477de8c36a9fc6bb6622"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PTROTU7OEOEY5GI6AVEWP3LMD7/bundle.json","state_url":"https://pith.science/pith/PTROTU7OEOEY5GI6AVEWP3LMD7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PTROTU7OEOEY5GI6AVEWP3LMD7/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":"2026-06-01T02:43:58Z","links":{"resolver":"https://pith.science/pith/PTROTU7OEOEY5GI6AVEWP3LMD7","bundle":"https://pith.science/pith/PTROTU7OEOEY5GI6AVEWP3LMD7/bundle.json","state":"https://pith.science/pith/PTROTU7OEOEY5GI6AVEWP3LMD7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PTROTU7OEOEY5GI6AVEWP3LMD7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:PTROTU7OEOEY5GI6AVEWP3LMD7","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":"413536a217d4e6476817b6af6302e7001fa3223320f49dcf8be919dabba2b521","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-28T20:28:37Z","title_canon_sha256":"1a039ee893df6739c845cc364749e4af44f232a8e20d326cf3794f3e5fdd1772"},"schema_version":"1.0","source":{"id":"1408.6857","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6857","created_at":"2026-05-18T02:44:00Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6857v1","created_at":"2026-05-18T02:44:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6857","created_at":"2026-05-18T02:44:00Z"},{"alias_kind":"pith_short_12","alias_value":"PTROTU7OEOEY","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"PTROTU7OEOEY5GI6","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"PTROTU7O","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:ee470b1c1306ff61edc4479c418822ebf01cbb3eeb54477de8c36a9fc6bb6622","target":"graph","created_at":"2026-05-18T02:44:00Z","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":"Kochen-Specker (KS) sets are key tools for proving some fundamental results in quantum theory and also have potential applications in quantum information processing. However, so far, their intrinsic complexity has prevented experimentalists from using them for any application. The KS set requiring the smallest number of contexts has been recently found. Relying on this simple KS set, here we report an input state-independent experimental technique to certify whether a set of measurements is actually accessing a preestablished quantum six-dimensional space encoded in the transverse momentum of ","authors_text":"Ad\\'an Cabello, Esteban S. G\\'omez, Guilherme B. Xavier, Gustavo Ca\\~nas, Gustavo Lima, Mauricio Arias, Sebasti\\'an Etcheverry","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-28T20:28:37Z","title":"Applying the simplest Kochen-Specker set for quantum information processing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6857","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":"sha256:91f990d0808b131ca679859eb17149fe4f5b9b658130cf088527294ef3583c4f","target":"record","created_at":"2026-05-18T02:44:00Z","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":"413536a217d4e6476817b6af6302e7001fa3223320f49dcf8be919dabba2b521","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-28T20:28:37Z","title_canon_sha256":"1a039ee893df6739c845cc364749e4af44f232a8e20d326cf3794f3e5fdd1772"},"schema_version":"1.0","source":{"id":"1408.6857","kind":"arxiv","version":1}},"canonical_sha256":"7ce2e9d3ee23898e991e054967ed6c1fdf3674b418ce42878410a8c69a84bdae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ce2e9d3ee23898e991e054967ed6c1fdf3674b418ce42878410a8c69a84bdae","first_computed_at":"2026-05-18T02:44:00.128056Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:44:00.128056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IJKJRC0ZlEYI4QI0lSqulbeXqWq8BGsdL6DhC5zAEtFMF776ddJ8cxhZD09HGqnjvOOBREgXHFjnpC9uwwICCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:44:00.128635Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.6857","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91f990d0808b131ca679859eb17149fe4f5b9b658130cf088527294ef3583c4f","sha256:ee470b1c1306ff61edc4479c418822ebf01cbb3eeb54477de8c36a9fc6bb6622"],"state_sha256":"7786080be52e9549945282152d947ab07ad8c47ab7922b7d1573c0a07984b286"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hubk2oqjeN1FAG3qB46ftCRU8KNSnYHNjCvMJjtPvb0rw4/VKqa39sLvR9Zz55QKuuJJizL8HRTaIao0WefnDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:43:58.515892Z","bundle_sha256":"7782c6b5f8b9b53c25382460ccff0d4611ab21c02b2e0ecc33d0b3a6f762a4ae"}}