{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:Y6UMTCFFMZ4UYWJ6M4EJR4PY7C","short_pith_number":"pith:Y6UMTCFF","canonical_record":{"source":{"id":"2206.11937","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-06-23T18:39:30Z","cross_cats_sorted":["q-fin.RM"],"title_canon_sha256":"acbfbb0a199f2e509ee8338a0bb62ce86bc68dd22b5a95c5fb94a575b225d074","abstract_canon_sha256":"8d94240ab0f37cfbab122211c1763772d112db0eb4f5f5bdf286c9712b0a7514"},"schema_version":"1.0"},"canonical_sha256":"c7a8c988a566794c593e670898f1f8f88dda7580496d5185139823962ad214ae","source":{"kind":"arxiv","id":"2206.11937","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.11937","created_at":"2026-07-05T04:34:55Z"},{"alias_kind":"arxiv_version","alias_value":"2206.11937v1","created_at":"2026-07-05T04:34:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.11937","created_at":"2026-07-05T04:34:55Z"},{"alias_kind":"pith_short_12","alias_value":"Y6UMTCFFMZ4U","created_at":"2026-07-05T04:34:55Z"},{"alias_kind":"pith_short_16","alias_value":"Y6UMTCFFMZ4UYWJ6","created_at":"2026-07-05T04:34:55Z"},{"alias_kind":"pith_short_8","alias_value":"Y6UMTCFF","created_at":"2026-07-05T04:34:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:Y6UMTCFFMZ4UYWJ6M4EJR4PY7C","target":"record","payload":{"canonical_record":{"source":{"id":"2206.11937","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-06-23T18:39:30Z","cross_cats_sorted":["q-fin.RM"],"title_canon_sha256":"acbfbb0a199f2e509ee8338a0bb62ce86bc68dd22b5a95c5fb94a575b225d074","abstract_canon_sha256":"8d94240ab0f37cfbab122211c1763772d112db0eb4f5f5bdf286c9712b0a7514"},"schema_version":"1.0"},"canonical_sha256":"c7a8c988a566794c593e670898f1f8f88dda7580496d5185139823962ad214ae","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:34:55.608533Z","signature_b64":"++nXUhOmBpusCbWjXuHZztNub50x2+sdnQhnbkJEj48ekeh45xv3T+TGP4BfB91TaKCPiq5hz5uQwWst3RC8Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c7a8c988a566794c593e670898f1f8f88dda7580496d5185139823962ad214ae","last_reissued_at":"2026-07-05T04:34:55.608108Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:34:55.608108Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.11937","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":"2026-07-05T04:34:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s6+L1dxVeECM5SX/7Uc1v2cjoQ83KZGqtfdAO1yk+ZiWMxGDHbSZMF8TkFDRRuXaHt02lL0JSZEyw/UcB8G9BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T06:49:40.166535Z"},"content_sha256":"51b499e5a8c39bc045e8964a08148e785ba35fd28654f96d0e1d979471dee184","schema_version":"1.0","event_id":"sha256:51b499e5a8c39bc045e8964a08148e785ba35fd28654f96d0e1d979471dee184"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:Y6UMTCFFMZ4UYWJ6M4EJR4PY7C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Copula-based Risk Aggregation with Trapped Ion Quantum Computers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-fin.RM"],"primary_cat":"quant-ph","authors_text":"Annarita Giani, Bogdan Neculaes, Daiwei Zhu, Saikat Ray Majumder, Sonika Johri, Weiwei Shen","submitted_at":"2022-06-23T18:39:30Z","abstract_excerpt":"Copulas are mathematical tools for modeling joint probability distributions. Since copulas enable one to conveniently treat the marginal distribution of each variable and the interdependencies among variables separately, in the past 60 years they have become an essential analysis tool on classical computers in various fields ranging from quantitative finance and civil engineering to signal processing and medicine. The recent finding that copulas can be expressed as maximally entangled quantum states has revealed a promising approach to practical quantum advantages: performing tasks faster, req"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.11937","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/2206.11937/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":"2026-07-05T04:34:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CNpdSZwo9g0Stdc9ZsbhPQYeRA/OcfOxJeuGr6eIzI+uwUam2uQmhJB8VL9LSFy72CV44GyblnrpYq2srjMnAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T06:49:40.167064Z"},"content_sha256":"2e1dd47955e4c09dc57d6076a56a1e302f22b3e42a416512a9f868ccd56dfc20","schema_version":"1.0","event_id":"sha256:2e1dd47955e4c09dc57d6076a56a1e302f22b3e42a416512a9f868ccd56dfc20"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y6UMTCFFMZ4UYWJ6M4EJR4PY7C/bundle.json","state_url":"https://pith.science/pith/Y6UMTCFFMZ4UYWJ6M4EJR4PY7C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y6UMTCFFMZ4UYWJ6M4EJR4PY7C/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":"2026-08-23T06:49:40Z","links":{"resolver":"https://pith.science/pith/Y6UMTCFFMZ4UYWJ6M4EJR4PY7C","bundle":"https://pith.science/pith/Y6UMTCFFMZ4UYWJ6M4EJR4PY7C/bundle.json","state":"https://pith.science/pith/Y6UMTCFFMZ4UYWJ6M4EJR4PY7C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y6UMTCFFMZ4UYWJ6M4EJR4PY7C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:Y6UMTCFFMZ4UYWJ6M4EJR4PY7C","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":"8d94240ab0f37cfbab122211c1763772d112db0eb4f5f5bdf286c9712b0a7514","cross_cats_sorted":["q-fin.RM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-06-23T18:39:30Z","title_canon_sha256":"acbfbb0a199f2e509ee8338a0bb62ce86bc68dd22b5a95c5fb94a575b225d074"},"schema_version":"1.0","source":{"id":"2206.11937","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.11937","created_at":"2026-07-05T04:34:55Z"},{"alias_kind":"arxiv_version","alias_value":"2206.11937v1","created_at":"2026-07-05T04:34:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.11937","created_at":"2026-07-05T04:34:55Z"},{"alias_kind":"pith_short_12","alias_value":"Y6UMTCFFMZ4U","created_at":"2026-07-05T04:34:55Z"},{"alias_kind":"pith_short_16","alias_value":"Y6UMTCFFMZ4UYWJ6","created_at":"2026-07-05T04:34:55Z"},{"alias_kind":"pith_short_8","alias_value":"Y6UMTCFF","created_at":"2026-07-05T04:34:55Z"}],"graph_snapshots":[{"event_id":"sha256:2e1dd47955e4c09dc57d6076a56a1e302f22b3e42a416512a9f868ccd56dfc20","target":"graph","created_at":"2026-07-05T04:34:55Z","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/2206.11937/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Copulas are mathematical tools for modeling joint probability distributions. Since copulas enable one to conveniently treat the marginal distribution of each variable and the interdependencies among variables separately, in the past 60 years they have become an essential analysis tool on classical computers in various fields ranging from quantitative finance and civil engineering to signal processing and medicine. The recent finding that copulas can be expressed as maximally entangled quantum states has revealed a promising approach to practical quantum advantages: performing tasks faster, req","authors_text":"Annarita Giani, Bogdan Neculaes, Daiwei Zhu, Saikat Ray Majumder, Sonika Johri, Weiwei Shen","cross_cats":["q-fin.RM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-06-23T18:39:30Z","title":"Copula-based Risk Aggregation with Trapped Ion Quantum Computers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.11937","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":"sha256:51b499e5a8c39bc045e8964a08148e785ba35fd28654f96d0e1d979471dee184","target":"record","created_at":"2026-07-05T04:34:55Z","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":"8d94240ab0f37cfbab122211c1763772d112db0eb4f5f5bdf286c9712b0a7514","cross_cats_sorted":["q-fin.RM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-06-23T18:39:30Z","title_canon_sha256":"acbfbb0a199f2e509ee8338a0bb62ce86bc68dd22b5a95c5fb94a575b225d074"},"schema_version":"1.0","source":{"id":"2206.11937","kind":"arxiv","version":1}},"canonical_sha256":"c7a8c988a566794c593e670898f1f8f88dda7580496d5185139823962ad214ae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7a8c988a566794c593e670898f1f8f88dda7580496d5185139823962ad214ae","first_computed_at":"2026-07-05T04:34:55.608108Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:34:55.608108Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"++nXUhOmBpusCbWjXuHZztNub50x2+sdnQhnbkJEj48ekeh45xv3T+TGP4BfB91TaKCPiq5hz5uQwWst3RC8Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:34:55.608533Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.11937","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:51b499e5a8c39bc045e8964a08148e785ba35fd28654f96d0e1d979471dee184","sha256:2e1dd47955e4c09dc57d6076a56a1e302f22b3e42a416512a9f868ccd56dfc20"],"state_sha256":"15dc11faf7f9a230e7f395d696d55a33f9657aaf2477ee740e7bfa8beb98cb34"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eiB1o7Gr7H3m8NxWSLbecSrg7uJtLChbEGb9yZ95kkcy77of/hDdwZ5fb4j82ga5LU34Zs8Lwean4KyJ5NZgCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T06:49:40.172087Z","bundle_sha256":"7437559adc2e733533fff1cb91d4eb0bfa512dce5864b455da1c288725e767e8"}}