{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:65EQFCZECXHAAQDNOU66FAKHVO","short_pith_number":"pith:65EQFCZE","canonical_record":{"source":{"id":"2508.05883","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-08-07T22:25:51Z","cross_cats_sorted":["cs.ET","cs.SE"],"title_canon_sha256":"97252e764d6b4e5347b58648dedf4dd1ba5bfe07c95d637bf6fa3e0701736fd1","abstract_canon_sha256":"a5a0fb9afd51550c1f498c2f53e9cd337d27f51186939732e1976f2c429cda45"},"schema_version":"1.0"},"canonical_sha256":"f749028b2415ce00406d753de28147ab92cdb4ab531e99ed2915d99c99b507d9","source":{"kind":"arxiv","id":"2508.05883","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.05883","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"arxiv_version","alias_value":"2508.05883v1","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.05883","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"pith_short_12","alias_value":"65EQFCZECXHA","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"pith_short_16","alias_value":"65EQFCZECXHAAQDN","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"pith_short_8","alias_value":"65EQFCZE","created_at":"2026-07-05T11:50:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:65EQFCZECXHAAQDNOU66FAKHVO","target":"record","payload":{"canonical_record":{"source":{"id":"2508.05883","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-08-07T22:25:51Z","cross_cats_sorted":["cs.ET","cs.SE"],"title_canon_sha256":"97252e764d6b4e5347b58648dedf4dd1ba5bfe07c95d637bf6fa3e0701736fd1","abstract_canon_sha256":"a5a0fb9afd51550c1f498c2f53e9cd337d27f51186939732e1976f2c429cda45"},"schema_version":"1.0"},"canonical_sha256":"f749028b2415ce00406d753de28147ab92cdb4ab531e99ed2915d99c99b507d9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:50:44.960567Z","signature_b64":"uo0jL/0Vj/ldm7gQlhpz70oEjHKmrZZASjyWIWxO0LSsXNdsei0nkZwUkx2K8nXe/YeGXFcCO/XZsvKXzO4sCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f749028b2415ce00406d753de28147ab92cdb4ab531e99ed2915d99c99b507d9","last_reissued_at":"2026-07-05T11:50:44.959875Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:50:44.959875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.05883","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":"2026-07-05T11:50:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TwKQ88DqIVLHGYFSvvRjNrgAw9qHpUyPbttbDkO/SXjsYOs4YhblIYPRZhr0o+sReK2NNq6IaX/8oDQOBDrwBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T10:04:12.798626Z"},"content_sha256":"8c9f4a109d4e7e1b5a8a1aa8cdba3e20edef4df405a4028772df5496ff322f89","schema_version":"1.0","event_id":"sha256:8c9f4a109d4e7e1b5a8a1aa8cdba3e20edef4df405a4028772df5496ff322f89"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:65EQFCZECXHAAQDNOU66FAKHVO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MPS-JuliQAOA: User-friendly, Scalable MPS-based Simulation for Quantum Optimization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.ET","cs.SE"],"primary_cat":"quant-ph","authors_text":"John Golden, Reuben Tate, Sean Feeney, Stephan Eidenbenz","submitted_at":"2025-08-07T22:25:51Z","abstract_excerpt":"We present the MPS-JuliQAOA simulator, a user-friendly, open-source tool to simulate the Quantum Approximate Optimization Algorithm (QAOA) of any optimization problem that can be expressed as diagonal Hamiltonian. By leveraging Julia-language constructs and the ITensor package to implement a Matrix Product State (MPS) approach to simulating QAOA, MPS-Juli-QAOA effortlessly scales to 512 qubits and 20 simulation rounds on the standard de-facto benchmark 3-regular MaxCut QAOA problem. MPS-JuliQAOA also has built-in parameter finding capabilities, which is a crucial performance aspect of QAOA. We"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.05883","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/2508.05883/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":"2026-07-05T11:50:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/OT4K0jGqs+oO0XpVFOIMrfocCWM9sVhdShXjY36Ieg2t9i21qSZj7BVdQ2zhr+j229VHZl83lplJYrsBv8aBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T10:04:12.798998Z"},"content_sha256":"eb6263908b57f1d28672c9d97469fe01e75be5a1b19bcad568394071b5e4a133","schema_version":"1.0","event_id":"sha256:eb6263908b57f1d28672c9d97469fe01e75be5a1b19bcad568394071b5e4a133"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/65EQFCZECXHAAQDNOU66FAKHVO/bundle.json","state_url":"https://pith.science/pith/65EQFCZECXHAAQDNOU66FAKHVO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/65EQFCZECXHAAQDNOU66FAKHVO/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":"2026-07-06T10:04:12Z","links":{"resolver":"https://pith.science/pith/65EQFCZECXHAAQDNOU66FAKHVO","bundle":"https://pith.science/pith/65EQFCZECXHAAQDNOU66FAKHVO/bundle.json","state":"https://pith.science/pith/65EQFCZECXHAAQDNOU66FAKHVO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/65EQFCZECXHAAQDNOU66FAKHVO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:65EQFCZECXHAAQDNOU66FAKHVO","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":"a5a0fb9afd51550c1f498c2f53e9cd337d27f51186939732e1976f2c429cda45","cross_cats_sorted":["cs.ET","cs.SE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-08-07T22:25:51Z","title_canon_sha256":"97252e764d6b4e5347b58648dedf4dd1ba5bfe07c95d637bf6fa3e0701736fd1"},"schema_version":"1.0","source":{"id":"2508.05883","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.05883","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"arxiv_version","alias_value":"2508.05883v1","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.05883","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"pith_short_12","alias_value":"65EQFCZECXHA","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"pith_short_16","alias_value":"65EQFCZECXHAAQDN","created_at":"2026-07-05T11:50:44Z"},{"alias_kind":"pith_short_8","alias_value":"65EQFCZE","created_at":"2026-07-05T11:50:44Z"}],"graph_snapshots":[{"event_id":"sha256:eb6263908b57f1d28672c9d97469fe01e75be5a1b19bcad568394071b5e4a133","target":"graph","created_at":"2026-07-05T11:50:44Z","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/2508.05883/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the MPS-JuliQAOA simulator, a user-friendly, open-source tool to simulate the Quantum Approximate Optimization Algorithm (QAOA) of any optimization problem that can be expressed as diagonal Hamiltonian. By leveraging Julia-language constructs and the ITensor package to implement a Matrix Product State (MPS) approach to simulating QAOA, MPS-Juli-QAOA effortlessly scales to 512 qubits and 20 simulation rounds on the standard de-facto benchmark 3-regular MaxCut QAOA problem. MPS-JuliQAOA also has built-in parameter finding capabilities, which is a crucial performance aspect of QAOA. We","authors_text":"John Golden, Reuben Tate, Sean Feeney, Stephan Eidenbenz","cross_cats":["cs.ET","cs.SE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-08-07T22:25:51Z","title":"MPS-JuliQAOA: User-friendly, Scalable MPS-based Simulation for Quantum Optimization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.05883","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":"sha256:8c9f4a109d4e7e1b5a8a1aa8cdba3e20edef4df405a4028772df5496ff322f89","target":"record","created_at":"2026-07-05T11:50:44Z","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":"a5a0fb9afd51550c1f498c2f53e9cd337d27f51186939732e1976f2c429cda45","cross_cats_sorted":["cs.ET","cs.SE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-08-07T22:25:51Z","title_canon_sha256":"97252e764d6b4e5347b58648dedf4dd1ba5bfe07c95d637bf6fa3e0701736fd1"},"schema_version":"1.0","source":{"id":"2508.05883","kind":"arxiv","version":1}},"canonical_sha256":"f749028b2415ce00406d753de28147ab92cdb4ab531e99ed2915d99c99b507d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f749028b2415ce00406d753de28147ab92cdb4ab531e99ed2915d99c99b507d9","first_computed_at":"2026-07-05T11:50:44.959875Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:50:44.959875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uo0jL/0Vj/ldm7gQlhpz70oEjHKmrZZASjyWIWxO0LSsXNdsei0nkZwUkx2K8nXe/YeGXFcCO/XZsvKXzO4sCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:50:44.960567Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.05883","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8c9f4a109d4e7e1b5a8a1aa8cdba3e20edef4df405a4028772df5496ff322f89","sha256:eb6263908b57f1d28672c9d97469fe01e75be5a1b19bcad568394071b5e4a133"],"state_sha256":"ab0acbbc5070d84891a9c2c1284affc295bc537d6d202ae1fbfcbcf8df3aff25"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VOzXw7Zx7oOMXS4886oh0pok63C/G6Bk5dDlqEvKfKE5drF9TTk33BGQmBAETx0acoDf4LA4x6Wz4jiHYP2YBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T10:04:12.800890Z","bundle_sha256":"7741e9739255ea91b6096c49b373c78b6f6482087cdd764efd8de633060bad64"}}