{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:ZT6DIKIQFQYLA56RLZIXTUW6PR","short_pith_number":"pith:ZT6DIKIQ","canonical_record":{"source":{"id":"2107.09793","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-07-20T22:46:02Z","cross_cats_sorted":[],"title_canon_sha256":"1395183f8766d146d546d745a679bb6dec8146238de21a1970ad5418c06c3ef6","abstract_canon_sha256":"74616b3ffd6c290410e6ed49d5f6831454c20b2745b006276e904b0342faef3e"},"schema_version":"1.0"},"canonical_sha256":"ccfc3429102c30b077d15e5179d2de7c7cf462a12813b3cdbe184721d5339a56","source":{"kind":"arxiv","id":"2107.09793","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.09793","created_at":"2026-07-05T04:21:47Z"},{"alias_kind":"arxiv_version","alias_value":"2107.09793v3","created_at":"2026-07-05T04:21:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.09793","created_at":"2026-07-05T04:21:47Z"},{"alias_kind":"pith_short_12","alias_value":"ZT6DIKIQFQYL","created_at":"2026-07-05T04:21:47Z"},{"alias_kind":"pith_short_16","alias_value":"ZT6DIKIQFQYLA56R","created_at":"2026-07-05T04:21:47Z"},{"alias_kind":"pith_short_8","alias_value":"ZT6DIKIQ","created_at":"2026-07-05T04:21:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:ZT6DIKIQFQYLA56RLZIXTUW6PR","target":"record","payload":{"canonical_record":{"source":{"id":"2107.09793","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-07-20T22:46:02Z","cross_cats_sorted":[],"title_canon_sha256":"1395183f8766d146d546d745a679bb6dec8146238de21a1970ad5418c06c3ef6","abstract_canon_sha256":"74616b3ffd6c290410e6ed49d5f6831454c20b2745b006276e904b0342faef3e"},"schema_version":"1.0"},"canonical_sha256":"ccfc3429102c30b077d15e5179d2de7c7cf462a12813b3cdbe184721d5339a56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:21:47.989389Z","signature_b64":"5PfprckyjKHY9LAOinMBzOEohUOU6ZBrwNgBey38XTL8GRrowdSI+b1UKUmCE35I4awh82S5aGrIh/6nS5SZAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ccfc3429102c30b077d15e5179d2de7c7cf462a12813b3cdbe184721d5339a56","last_reissued_at":"2026-07-05T04:21:47.988782Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:21:47.988782Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.09793","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:21:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x0vWszhhBwE7U3tOJufbq6r7i3ucZZp7oZ2uA8jPAbUqQ9o1wGKq+0IC6ZcNzYehPoD2yRrRUff1fdiN3lbpCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T20:18:50.020186Z"},"content_sha256":"d3dbcaf935c1ea817687b4aebf4b0f15d09d267c80ffa0aea29fa8fe240c6e88","schema_version":"1.0","event_id":"sha256:d3dbcaf935c1ea817687b4aebf4b0f15d09d267c80ffa0aea29fa8fe240c6e88"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:ZT6DIKIQFQYLA56RLZIXTUW6PR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Jet: Fast quantum circuit simulations with parallel task-based tensor-network contraction","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Haoyu Qi, Ish Dhand, Jack Brown, Lee J. O'Riordan, Mikhail Andrenkov, Nathan Killoran, Trevor Vincent","submitted_at":"2021-07-20T22:46:02Z","abstract_excerpt":"We introduce a new open-source software library Jet, which uses task-based parallelism to obtain speed-ups in classical tensor-network simulations of quantum circuits. These speed-ups result from i) the increased parallelism introduced by mapping the tensor-network simulation to a task-based framework, ii) a novel method of reusing shared work between tensor-network contraction tasks, and iii) the concurrent contraction of tensor networks on all available hardware. We demonstrate the advantages of our method by benchmarking our code on several Sycamore-53 and Gaussian boson sampling (GBS) supr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.09793","kind":"arxiv","version":3},"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/2107.09793/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":"2026-07-05T04:21:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QkFQAL74E308PPcKWtC5RhalZ78JjyuqlTaO2TyQGTZcnxUeowvcw1SKzp6da3eCwfyBDuT0Sv91TbGqhUSXDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T20:18:50.020586Z"},"content_sha256":"86d9afb29e38ba16cc7cf6219b3e35ab04dff6947afeb686b0654b1e14ab615f","schema_version":"1.0","event_id":"sha256:86d9afb29e38ba16cc7cf6219b3e35ab04dff6947afeb686b0654b1e14ab615f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZT6DIKIQFQYLA56RLZIXTUW6PR/bundle.json","state_url":"https://pith.science/pith/ZT6DIKIQFQYLA56RLZIXTUW6PR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZT6DIKIQFQYLA56RLZIXTUW6PR/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":"2026-07-06T20:18:50Z","links":{"resolver":"https://pith.science/pith/ZT6DIKIQFQYLA56RLZIXTUW6PR","bundle":"https://pith.science/pith/ZT6DIKIQFQYLA56RLZIXTUW6PR/bundle.json","state":"https://pith.science/pith/ZT6DIKIQFQYLA56RLZIXTUW6PR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZT6DIKIQFQYLA56RLZIXTUW6PR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:ZT6DIKIQFQYLA56RLZIXTUW6PR","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":"74616b3ffd6c290410e6ed49d5f6831454c20b2745b006276e904b0342faef3e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-07-20T22:46:02Z","title_canon_sha256":"1395183f8766d146d546d745a679bb6dec8146238de21a1970ad5418c06c3ef6"},"schema_version":"1.0","source":{"id":"2107.09793","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.09793","created_at":"2026-07-05T04:21:47Z"},{"alias_kind":"arxiv_version","alias_value":"2107.09793v3","created_at":"2026-07-05T04:21:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.09793","created_at":"2026-07-05T04:21:47Z"},{"alias_kind":"pith_short_12","alias_value":"ZT6DIKIQFQYL","created_at":"2026-07-05T04:21:47Z"},{"alias_kind":"pith_short_16","alias_value":"ZT6DIKIQFQYLA56R","created_at":"2026-07-05T04:21:47Z"},{"alias_kind":"pith_short_8","alias_value":"ZT6DIKIQ","created_at":"2026-07-05T04:21:47Z"}],"graph_snapshots":[{"event_id":"sha256:86d9afb29e38ba16cc7cf6219b3e35ab04dff6947afeb686b0654b1e14ab615f","target":"graph","created_at":"2026-07-05T04:21:47Z","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/2107.09793/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce a new open-source software library Jet, which uses task-based parallelism to obtain speed-ups in classical tensor-network simulations of quantum circuits. These speed-ups result from i) the increased parallelism introduced by mapping the tensor-network simulation to a task-based framework, ii) a novel method of reusing shared work between tensor-network contraction tasks, and iii) the concurrent contraction of tensor networks on all available hardware. We demonstrate the advantages of our method by benchmarking our code on several Sycamore-53 and Gaussian boson sampling (GBS) supr","authors_text":"Haoyu Qi, Ish Dhand, Jack Brown, Lee J. O'Riordan, Mikhail Andrenkov, Nathan Killoran, Trevor Vincent","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-07-20T22:46:02Z","title":"Jet: Fast quantum circuit simulations with parallel task-based tensor-network contraction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.09793","kind":"arxiv","version":3},"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:d3dbcaf935c1ea817687b4aebf4b0f15d09d267c80ffa0aea29fa8fe240c6e88","target":"record","created_at":"2026-07-05T04:21:47Z","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":"74616b3ffd6c290410e6ed49d5f6831454c20b2745b006276e904b0342faef3e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-07-20T22:46:02Z","title_canon_sha256":"1395183f8766d146d546d745a679bb6dec8146238de21a1970ad5418c06c3ef6"},"schema_version":"1.0","source":{"id":"2107.09793","kind":"arxiv","version":3}},"canonical_sha256":"ccfc3429102c30b077d15e5179d2de7c7cf462a12813b3cdbe184721d5339a56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ccfc3429102c30b077d15e5179d2de7c7cf462a12813b3cdbe184721d5339a56","first_computed_at":"2026-07-05T04:21:47.988782Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:21:47.988782Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5PfprckyjKHY9LAOinMBzOEohUOU6ZBrwNgBey38XTL8GRrowdSI+b1UKUmCE35I4awh82S5aGrIh/6nS5SZAg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:21:47.989389Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.09793","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d3dbcaf935c1ea817687b4aebf4b0f15d09d267c80ffa0aea29fa8fe240c6e88","sha256:86d9afb29e38ba16cc7cf6219b3e35ab04dff6947afeb686b0654b1e14ab615f"],"state_sha256":"83e0bf3c2a7f8680e8f5d424ee9d3ef735c9e1d18357c0bedb6cbfafdfb07679"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FGhej/LAiLm6Qj8VTfGsN6ru52WYeph0ayPaLsOJB8rRKczfWerG/szwSy9+3FSc3Elq7JeKS49FqUATEaNnBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T20:18:50.022652Z","bundle_sha256":"deb4ddcdeb1a7cde67c228dd1d67f20a85383c5b6165c10029ea18c787de7fa8"}}