{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:L2BJORMGR5ZLFU25BOSUXJEL52","short_pith_number":"pith:L2BJORMG","canonical_record":{"source":{"id":"2501.11688","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-01-20T19:12:34Z","cross_cats_sorted":[],"title_canon_sha256":"2599848ec782aba0c624affa76da343ee261c6440a3dce751ea08275b5e5dd16","abstract_canon_sha256":"7be7b3d3780ab34c4efb0179619570cbf6c16c7ab0deff188d0cd1896ca0804a"},"schema_version":"1.0"},"canonical_sha256":"5e829745868f72b2d35d0ba54ba48beeb380bc13f1c42f773d0e1916025bcbce","source":{"kind":"arxiv","id":"2501.11688","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.11688","created_at":"2026-07-05T11:49:06Z"},{"alias_kind":"arxiv_version","alias_value":"2501.11688v2","created_at":"2026-07-05T11:49:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.11688","created_at":"2026-07-05T11:49:06Z"},{"alias_kind":"pith_short_12","alias_value":"L2BJORMGR5ZL","created_at":"2026-07-05T11:49:06Z"},{"alias_kind":"pith_short_16","alias_value":"L2BJORMGR5ZLFU25","created_at":"2026-07-05T11:49:06Z"},{"alias_kind":"pith_short_8","alias_value":"L2BJORMG","created_at":"2026-07-05T11:49:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:L2BJORMGR5ZLFU25BOSUXJEL52","target":"record","payload":{"canonical_record":{"source":{"id":"2501.11688","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-01-20T19:12:34Z","cross_cats_sorted":[],"title_canon_sha256":"2599848ec782aba0c624affa76da343ee261c6440a3dce751ea08275b5e5dd16","abstract_canon_sha256":"7be7b3d3780ab34c4efb0179619570cbf6c16c7ab0deff188d0cd1896ca0804a"},"schema_version":"1.0"},"canonical_sha256":"5e829745868f72b2d35d0ba54ba48beeb380bc13f1c42f773d0e1916025bcbce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:49:06.346980Z","signature_b64":"hMKqEXnadN2z0o3v+4lwl2N6iMjhwaWxh0hvvEqJh2OIcpcwgvGruyFEnYcQumF/O46sXeDK4chohGR5RAfjDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5e829745868f72b2d35d0ba54ba48beeb380bc13f1c42f773d0e1916025bcbce","last_reissued_at":"2026-07-05T11:49:06.346401Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:49:06.346401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.11688","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":"2026-07-05T11:49:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mejJ2jrphFUFykWlhU2+VCqCzSuTej8zYeBI3TSZow8UJ0yINBz6zRaKIgpF5pbev+aKUzt1hkjIaQSyS214BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T09:59:51.567937Z"},"content_sha256":"92fbd4efafb9cca5d54233c4e9cd057c1199f322afc2086e83dc83d4402edf56","schema_version":"1.0","event_id":"sha256:92fbd4efafb9cca5d54233c4e9cd057c1199f322afc2086e83dc83d4402edf56"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:L2BJORMGR5ZLFU25BOSUXJEL52","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Highly-entangled, highly-doped states that are efficiently cross-device verifiable","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Janek Denzler, Jose Carrasco, Santiago Varona, Tommaso Guaita","submitted_at":"2025-01-20T19:12:34Z","abstract_excerpt":"In this paper, we introduce a class of highly entangled real quantum states that cannot be approximated by circuits with $\\log$-many non-Clifford gates and prove that Bell sampling enables efficient cross-device verification (or distributed inner product estimation) for these states. That is, two remote parties can estimate the inner product ${\\rm tr}(\\rho\\sigma)$, each having black-box access to copies of a state $\\rho$ (or respectively $\\sigma$) in this class. This is significant because it is clear that this task can be achieved in those cases (such as low entanglement or low non-Clifford g"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.11688","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2501.11688/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":"2026-07-05T11:49:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Oi39NxKelUiiCWupvHaLBISNXPjteEquQfjjUn1DirCooe1JuDhd1IsglReD9bTTThgssiXEGbHVP/m+xSzCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T09:59:51.568446Z"},"content_sha256":"cdf1634ca29d3765a1358f6d5a5b743576660c313085331fbb8172a046ee21f9","schema_version":"1.0","event_id":"sha256:cdf1634ca29d3765a1358f6d5a5b743576660c313085331fbb8172a046ee21f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L2BJORMGR5ZLFU25BOSUXJEL52/bundle.json","state_url":"https://pith.science/pith/L2BJORMGR5ZLFU25BOSUXJEL52/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L2BJORMGR5ZLFU25BOSUXJEL52/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":"2026-08-11T09:59:51Z","links":{"resolver":"https://pith.science/pith/L2BJORMGR5ZLFU25BOSUXJEL52","bundle":"https://pith.science/pith/L2BJORMGR5ZLFU25BOSUXJEL52/bundle.json","state":"https://pith.science/pith/L2BJORMGR5ZLFU25BOSUXJEL52/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L2BJORMGR5ZLFU25BOSUXJEL52/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:L2BJORMGR5ZLFU25BOSUXJEL52","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":"7be7b3d3780ab34c4efb0179619570cbf6c16c7ab0deff188d0cd1896ca0804a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-01-20T19:12:34Z","title_canon_sha256":"2599848ec782aba0c624affa76da343ee261c6440a3dce751ea08275b5e5dd16"},"schema_version":"1.0","source":{"id":"2501.11688","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.11688","created_at":"2026-07-05T11:49:06Z"},{"alias_kind":"arxiv_version","alias_value":"2501.11688v2","created_at":"2026-07-05T11:49:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.11688","created_at":"2026-07-05T11:49:06Z"},{"alias_kind":"pith_short_12","alias_value":"L2BJORMGR5ZL","created_at":"2026-07-05T11:49:06Z"},{"alias_kind":"pith_short_16","alias_value":"L2BJORMGR5ZLFU25","created_at":"2026-07-05T11:49:06Z"},{"alias_kind":"pith_short_8","alias_value":"L2BJORMG","created_at":"2026-07-05T11:49:06Z"}],"graph_snapshots":[{"event_id":"sha256:cdf1634ca29d3765a1358f6d5a5b743576660c313085331fbb8172a046ee21f9","target":"graph","created_at":"2026-07-05T11:49:06Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2501.11688/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we introduce a class of highly entangled real quantum states that cannot be approximated by circuits with $\\log$-many non-Clifford gates and prove that Bell sampling enables efficient cross-device verification (or distributed inner product estimation) for these states. That is, two remote parties can estimate the inner product ${\\rm tr}(\\rho\\sigma)$, each having black-box access to copies of a state $\\rho$ (or respectively $\\sigma$) in this class. This is significant because it is clear that this task can be achieved in those cases (such as low entanglement or low non-Clifford g","authors_text":"Janek Denzler, Jose Carrasco, Santiago Varona, Tommaso Guaita","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-01-20T19:12:34Z","title":"Highly-entangled, highly-doped states that are efficiently cross-device verifiable"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.11688","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":"sha256:92fbd4efafb9cca5d54233c4e9cd057c1199f322afc2086e83dc83d4402edf56","target":"record","created_at":"2026-07-05T11:49:06Z","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":"7be7b3d3780ab34c4efb0179619570cbf6c16c7ab0deff188d0cd1896ca0804a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-01-20T19:12:34Z","title_canon_sha256":"2599848ec782aba0c624affa76da343ee261c6440a3dce751ea08275b5e5dd16"},"schema_version":"1.0","source":{"id":"2501.11688","kind":"arxiv","version":2}},"canonical_sha256":"5e829745868f72b2d35d0ba54ba48beeb380bc13f1c42f773d0e1916025bcbce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5e829745868f72b2d35d0ba54ba48beeb380bc13f1c42f773d0e1916025bcbce","first_computed_at":"2026-07-05T11:49:06.346401Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:49:06.346401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hMKqEXnadN2z0o3v+4lwl2N6iMjhwaWxh0hvvEqJh2OIcpcwgvGruyFEnYcQumF/O46sXeDK4chohGR5RAfjDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:49:06.346980Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.11688","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:92fbd4efafb9cca5d54233c4e9cd057c1199f322afc2086e83dc83d4402edf56","sha256:cdf1634ca29d3765a1358f6d5a5b743576660c313085331fbb8172a046ee21f9"],"state_sha256":"17ceaeee430a19349bf2903f9440fadbfd4b0bc1c9c18d082c45cbc89920bb45"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FMAhA23WcwteEBRJuaswW5NzFuNi5fSMYiNkyjjtoMstzmuCBqOdQ3OWK4p+yOmZ7K8+aDLnpu88Z3f7kNwhCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T09:59:51.573845Z","bundle_sha256":"d21e0fa6fe10abe85c469438b16bc08c686f3752abbd30827c47d27203c1ce8c"}}