{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:NH7OUQYOTPFNWB6QFWLF3JWZB3","short_pith_number":"pith:NH7OUQYO","canonical_record":{"source":{"id":"1401.1338","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-07T10:57:27Z","cross_cats_sorted":[],"title_canon_sha256":"a6da0195c86010611236654c36536f9cff0b802e9204d5c9f8fe1ff067e71961","abstract_canon_sha256":"fc1961ec6dfbb144afcde89b53e3a55ae1d875a39dac08094c027b0ad4c41666"},"schema_version":"1.0"},"canonical_sha256":"69feea430e9bcadb07d02d965da6d90edfe61b9ead90934dc2857ec0b53c57e7","source":{"kind":"arxiv","id":"1401.1338","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.1338","created_at":"2026-05-18T01:04:06Z"},{"alias_kind":"arxiv_version","alias_value":"1401.1338v2","created_at":"2026-05-18T01:04:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.1338","created_at":"2026-05-18T01:04:06Z"},{"alias_kind":"pith_short_12","alias_value":"NH7OUQYOTPFN","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NH7OUQYOTPFNWB6Q","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NH7OUQYO","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:NH7OUQYOTPFNWB6QFWLF3JWZB3","target":"record","payload":{"canonical_record":{"source":{"id":"1401.1338","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-07T10:57:27Z","cross_cats_sorted":[],"title_canon_sha256":"a6da0195c86010611236654c36536f9cff0b802e9204d5c9f8fe1ff067e71961","abstract_canon_sha256":"fc1961ec6dfbb144afcde89b53e3a55ae1d875a39dac08094c027b0ad4c41666"},"schema_version":"1.0"},"canonical_sha256":"69feea430e9bcadb07d02d965da6d90edfe61b9ead90934dc2857ec0b53c57e7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:06.057995Z","signature_b64":"hrCcN5DNbJ+i/Qy/d7uB8TFNdIbSwF2cv9D1OGlEFhjS7Vsz53Ivf+9YxVo5A1gd+fGVelYs59t4lTlqyAXQAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69feea430e9bcadb07d02d965da6d90edfe61b9ead90934dc2857ec0b53c57e7","last_reissued_at":"2026-05-18T01:04:06.057420Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:06.057420Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.1338","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:04:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lzcxt2etRLMZvGjj2UA0GE1MVPk69oBnbI9hYjgn5iRElngxAbWybQb/jz8szbiJ64rCjlLE9ulYldnenQL6Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T15:06:27.654548Z"},"content_sha256":"8638937bd40d7c41ffb78829554203fd1000c29b0432a03926a86286bc5fe4a2","schema_version":"1.0","event_id":"sha256:8638937bd40d7c41ffb78829554203fd1000c29b0432a03926a86286bc5fe4a2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:NH7OUQYOTPFNWB6QFWLF3JWZB3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement-device-independent randomness from local entangled states","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Anubhav Chaturvedi, Manik Banik","submitted_at":"2014-01-07T10:57:27Z","abstract_excerpt":"Nonlocal correlations are useful for device independent (DI) randomness certification [Nature (London) {\\bf 464}, 1021 (2010)]. The advantage of this DI protocol over the conventional quantum protocol is that randomness can be certified even when experimental apparatuses are not trusted. Quantum entanglement is the necessary physical source for the nonlocal correlation required for such DI task. However, nonlocality and entanglement are distinct concepts. There exist entangled states which produce no nonlocal correlation and hence are not useful for the DI randomness certification task. Here w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.1338","kind":"arxiv","version":2},"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":"2026-05-18T01:04:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xv1XAyyh0XkgMH2xCmBHLoYy03F3DB0FfRLGqvx0mjRMO7jaZAziDxcFodZpzG8gjW1huiVKxpvNoLuSkmLzDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T15:06:27.654898Z"},"content_sha256":"361520c9f766f431264e6f36435b09444290b376fd248882bd1e1ee2c2dbb429","schema_version":"1.0","event_id":"sha256:361520c9f766f431264e6f36435b09444290b376fd248882bd1e1ee2c2dbb429"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NH7OUQYOTPFNWB6QFWLF3JWZB3/bundle.json","state_url":"https://pith.science/pith/NH7OUQYOTPFNWB6QFWLF3JWZB3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NH7OUQYOTPFNWB6QFWLF3JWZB3/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":"2026-07-02T15:06:27Z","links":{"resolver":"https://pith.science/pith/NH7OUQYOTPFNWB6QFWLF3JWZB3","bundle":"https://pith.science/pith/NH7OUQYOTPFNWB6QFWLF3JWZB3/bundle.json","state":"https://pith.science/pith/NH7OUQYOTPFNWB6QFWLF3JWZB3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NH7OUQYOTPFNWB6QFWLF3JWZB3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:NH7OUQYOTPFNWB6QFWLF3JWZB3","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":"fc1961ec6dfbb144afcde89b53e3a55ae1d875a39dac08094c027b0ad4c41666","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-07T10:57:27Z","title_canon_sha256":"a6da0195c86010611236654c36536f9cff0b802e9204d5c9f8fe1ff067e71961"},"schema_version":"1.0","source":{"id":"1401.1338","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.1338","created_at":"2026-05-18T01:04:06Z"},{"alias_kind":"arxiv_version","alias_value":"1401.1338v2","created_at":"2026-05-18T01:04:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.1338","created_at":"2026-05-18T01:04:06Z"},{"alias_kind":"pith_short_12","alias_value":"NH7OUQYOTPFN","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NH7OUQYOTPFNWB6Q","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NH7OUQYO","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:361520c9f766f431264e6f36435b09444290b376fd248882bd1e1ee2c2dbb429","target":"graph","created_at":"2026-05-18T01:04:06Z","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":"Nonlocal correlations are useful for device independent (DI) randomness certification [Nature (London) {\\bf 464}, 1021 (2010)]. The advantage of this DI protocol over the conventional quantum protocol is that randomness can be certified even when experimental apparatuses are not trusted. Quantum entanglement is the necessary physical source for the nonlocal correlation required for such DI task. However, nonlocality and entanglement are distinct concepts. There exist entangled states which produce no nonlocal correlation and hence are not useful for the DI randomness certification task. Here w","authors_text":"Anubhav Chaturvedi, Manik Banik","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-07T10:57:27Z","title":"Measurement-device-independent randomness from local entangled states"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.1338","kind":"arxiv","version":2},"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":"sha256:8638937bd40d7c41ffb78829554203fd1000c29b0432a03926a86286bc5fe4a2","target":"record","created_at":"2026-05-18T01:04:06Z","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":"fc1961ec6dfbb144afcde89b53e3a55ae1d875a39dac08094c027b0ad4c41666","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-07T10:57:27Z","title_canon_sha256":"a6da0195c86010611236654c36536f9cff0b802e9204d5c9f8fe1ff067e71961"},"schema_version":"1.0","source":{"id":"1401.1338","kind":"arxiv","version":2}},"canonical_sha256":"69feea430e9bcadb07d02d965da6d90edfe61b9ead90934dc2857ec0b53c57e7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"69feea430e9bcadb07d02d965da6d90edfe61b9ead90934dc2857ec0b53c57e7","first_computed_at":"2026-05-18T01:04:06.057420Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:04:06.057420Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hrCcN5DNbJ+i/Qy/d7uB8TFNdIbSwF2cv9D1OGlEFhjS7Vsz53Ivf+9YxVo5A1gd+fGVelYs59t4lTlqyAXQAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:04:06.057995Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.1338","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8638937bd40d7c41ffb78829554203fd1000c29b0432a03926a86286bc5fe4a2","sha256:361520c9f766f431264e6f36435b09444290b376fd248882bd1e1ee2c2dbb429"],"state_sha256":"afafb48838e650d5e0de399b2aab2bac815e01ae5c7771b66fbbe3d3ec2e530d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EvGl9Lp3c2mDbVcdidClDjiS3hxaFh2NJ4SPZ9yZ6WzpF2IlbfnzdnLkvEkdziqM3teX/dCppqylBSKMOKRFDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T15:06:27.656857Z","bundle_sha256":"8799bdb17dd840bf5179b65f0c1dc429f3fe697d498358deb943c6b362b77530"}}