{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:TWG3QKRG4ARUFN5GP3LIUW4JOV","short_pith_number":"pith:TWG3QKRG","canonical_record":{"source":{"id":"2606.23718","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T02:06:46Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"7eced8510cd3cc607546bf02b2051d6df14bdaba05042859e0e23e88d6517613","abstract_canon_sha256":"ea5bd9094f79dd4184aa2fdb4474bdc6bbd9669f45be78fc344ded8f9b2057ae"},"schema_version":"1.0"},"canonical_sha256":"9d8db82a26e02342b7a67ed68a5b897570d064c0e7904d33563bc51e0f860cc7","source":{"kind":"arxiv","id":"2606.23718","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.23718","created_at":"2026-06-24T00:14:24Z"},{"alias_kind":"arxiv_version","alias_value":"2606.23718v1","created_at":"2026-06-24T00:14:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.23718","created_at":"2026-06-24T00:14:24Z"},{"alias_kind":"pith_short_12","alias_value":"TWG3QKRG4ARU","created_at":"2026-06-24T00:14:24Z"},{"alias_kind":"pith_short_16","alias_value":"TWG3QKRG4ARUFN5G","created_at":"2026-06-24T00:14:24Z"},{"alias_kind":"pith_short_8","alias_value":"TWG3QKRG","created_at":"2026-06-24T00:14:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:TWG3QKRG4ARUFN5GP3LIUW4JOV","target":"record","payload":{"canonical_record":{"source":{"id":"2606.23718","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T02:06:46Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"7eced8510cd3cc607546bf02b2051d6df14bdaba05042859e0e23e88d6517613","abstract_canon_sha256":"ea5bd9094f79dd4184aa2fdb4474bdc6bbd9669f45be78fc344ded8f9b2057ae"},"schema_version":"1.0"},"canonical_sha256":"9d8db82a26e02342b7a67ed68a5b897570d064c0e7904d33563bc51e0f860cc7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-24T00:14:24.192453Z","signature_b64":"sEWCASIumQ9maBK6gcmcuTaiJUsLdiKYIOVHbBuUAZqyb2tbes97c5gOJWO7TdFgcYHwDmeXgh3YVUZ7DXwiAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d8db82a26e02342b7a67ed68a5b897570d064c0e7904d33563bc51e0f860cc7","last_reissued_at":"2026-06-24T00:14:24.192039Z","signature_status":"signed_v1","first_computed_at":"2026-06-24T00:14:24.192039Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.23718","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":"2026-06-24T00:14:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XkqUhcR6ypl2ENoKMeoWi+A4Dc+E18HWk8GpRae7DDxjYx3Nc6k3TuxPnfo/MAhBog8E/UD1nY/6qarb1P+WAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T01:00:22.588172Z"},"content_sha256":"51155a84f7bd50932ee58c477d9166cf994b01ffc3d3d85badca17abb7336587","schema_version":"1.0","event_id":"sha256:51155a84f7bd50932ee58c477d9166cf994b01ffc3d3d85badca17abb7336587"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:TWG3QKRG4ARUFN5GP3LIUW4JOV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dimensionality Reduction of QAOA Parameter Space with Kernel PCA for Max-Cut","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"quant-ph","authors_text":"Sidharth Brahmandam, Vayd Ramkumar","submitted_at":"2026-06-17T02:06:46Z","abstract_excerpt":"The Quantum Approximate Optimization Algorithm (QAOA) is a leading variational algorithm for combinatorial optimization on near term quantum devices. As circuit depth increases, the number of optimization parameters grows, making the search landscape increasingly nonlinear and difficult to optimize. Previous studies have shown that optimal QAOA parameters often lie on a low dimensional manifold that can be approximated using Principal Component Analysis (PCA) at shallow circuit depths. However, the effectiveness of PCA decreases at higher depths because the underlying parameter manifold become"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.23718","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/2606.23718/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":"2026-06-24T00:14:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c+2KBzHjjzmShlKkYoVepcoB+dAu8AkbPZZ0SF/b1bzXsK1JbWWgddiyeTd4lik8As9kGhQcnNWBRsgSMdQiBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T01:00:22.588552Z"},"content_sha256":"ad7a7de5e91a8a9071a0bd328886e98c428a341e5f6160b4ad0f1bdd12d02fb8","schema_version":"1.0","event_id":"sha256:ad7a7de5e91a8a9071a0bd328886e98c428a341e5f6160b4ad0f1bdd12d02fb8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TWG3QKRG4ARUFN5GP3LIUW4JOV/bundle.json","state_url":"https://pith.science/pith/TWG3QKRG4ARUFN5GP3LIUW4JOV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TWG3QKRG4ARUFN5GP3LIUW4JOV/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":"2026-06-27T01:00:22Z","links":{"resolver":"https://pith.science/pith/TWG3QKRG4ARUFN5GP3LIUW4JOV","bundle":"https://pith.science/pith/TWG3QKRG4ARUFN5GP3LIUW4JOV/bundle.json","state":"https://pith.science/pith/TWG3QKRG4ARUFN5GP3LIUW4JOV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TWG3QKRG4ARUFN5GP3LIUW4JOV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:TWG3QKRG4ARUFN5GP3LIUW4JOV","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":"ea5bd9094f79dd4184aa2fdb4474bdc6bbd9669f45be78fc344ded8f9b2057ae","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T02:06:46Z","title_canon_sha256":"7eced8510cd3cc607546bf02b2051d6df14bdaba05042859e0e23e88d6517613"},"schema_version":"1.0","source":{"id":"2606.23718","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.23718","created_at":"2026-06-24T00:14:24Z"},{"alias_kind":"arxiv_version","alias_value":"2606.23718v1","created_at":"2026-06-24T00:14:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.23718","created_at":"2026-06-24T00:14:24Z"},{"alias_kind":"pith_short_12","alias_value":"TWG3QKRG4ARU","created_at":"2026-06-24T00:14:24Z"},{"alias_kind":"pith_short_16","alias_value":"TWG3QKRG4ARUFN5G","created_at":"2026-06-24T00:14:24Z"},{"alias_kind":"pith_short_8","alias_value":"TWG3QKRG","created_at":"2026-06-24T00:14:24Z"}],"graph_snapshots":[{"event_id":"sha256:ad7a7de5e91a8a9071a0bd328886e98c428a341e5f6160b4ad0f1bdd12d02fb8","target":"graph","created_at":"2026-06-24T00:14:24Z","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/2606.23718/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Quantum Approximate Optimization Algorithm (QAOA) is a leading variational algorithm for combinatorial optimization on near term quantum devices. As circuit depth increases, the number of optimization parameters grows, making the search landscape increasingly nonlinear and difficult to optimize. Previous studies have shown that optimal QAOA parameters often lie on a low dimensional manifold that can be approximated using Principal Component Analysis (PCA) at shallow circuit depths. However, the effectiveness of PCA decreases at higher depths because the underlying parameter manifold become","authors_text":"Sidharth Brahmandam, Vayd Ramkumar","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T02:06:46Z","title":"Dimensionality Reduction of QAOA Parameter Space with Kernel PCA for Max-Cut"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.23718","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":"sha256:51155a84f7bd50932ee58c477d9166cf994b01ffc3d3d85badca17abb7336587","target":"record","created_at":"2026-06-24T00:14:24Z","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":"ea5bd9094f79dd4184aa2fdb4474bdc6bbd9669f45be78fc344ded8f9b2057ae","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T02:06:46Z","title_canon_sha256":"7eced8510cd3cc607546bf02b2051d6df14bdaba05042859e0e23e88d6517613"},"schema_version":"1.0","source":{"id":"2606.23718","kind":"arxiv","version":1}},"canonical_sha256":"9d8db82a26e02342b7a67ed68a5b897570d064c0e7904d33563bc51e0f860cc7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d8db82a26e02342b7a67ed68a5b897570d064c0e7904d33563bc51e0f860cc7","first_computed_at":"2026-06-24T00:14:24.192039Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-24T00:14:24.192039Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sEWCASIumQ9maBK6gcmcuTaiJUsLdiKYIOVHbBuUAZqyb2tbes97c5gOJWO7TdFgcYHwDmeXgh3YVUZ7DXwiAg==","signature_status":"signed_v1","signed_at":"2026-06-24T00:14:24.192453Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.23718","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:51155a84f7bd50932ee58c477d9166cf994b01ffc3d3d85badca17abb7336587","sha256:ad7a7de5e91a8a9071a0bd328886e98c428a341e5f6160b4ad0f1bdd12d02fb8"],"state_sha256":"2d55391a72a045c6eb24f58996a453617dbc57f231e3c7052a14349b41161f55"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KMaWREDzNMJFf1Glt/8xhYV1Q1HUCthx/9Cpf9Du0S1TjFIstsqo0cfnLL6/E5u5W5ctiCHn1q3rIg2kNB2OBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T01:00:22.590545Z","bundle_sha256":"c7efd2c601fc65507104cdb678a8d22fef1d3861e2aee58f298994721a784a36"}}