{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:DGEUHA6XPNFXU3MAR3BP3IMIGH","short_pith_number":"pith:DGEUHA6X","canonical_record":{"source":{"id":"1708.01875","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-08-06T11:03:09Z","cross_cats_sorted":[],"title_canon_sha256":"7f561345854a1dc6eff88d125e9516dd218a2c03b6d56624877779559ee1f5cb","abstract_canon_sha256":"872684a7bfb0fdab17830d2203e6b5bf1ef4f550e3f10b0a81e0b504efc552bb"},"schema_version":"1.0"},"canonical_sha256":"19894383d77b4b7a6d808ec2fda18831f27ff501461c06e456e56435ba022309","source":{"kind":"arxiv","id":"1708.01875","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.01875","created_at":"2026-05-18T00:38:32Z"},{"alias_kind":"arxiv_version","alias_value":"1708.01875v1","created_at":"2026-05-18T00:38:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.01875","created_at":"2026-05-18T00:38:32Z"},{"alias_kind":"pith_short_12","alias_value":"DGEUHA6XPNFX","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"DGEUHA6XPNFXU3MA","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"DGEUHA6X","created_at":"2026-05-18T12:31:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:DGEUHA6XPNFXU3MAR3BP3IMIGH","target":"record","payload":{"canonical_record":{"source":{"id":"1708.01875","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-08-06T11:03:09Z","cross_cats_sorted":[],"title_canon_sha256":"7f561345854a1dc6eff88d125e9516dd218a2c03b6d56624877779559ee1f5cb","abstract_canon_sha256":"872684a7bfb0fdab17830d2203e6b5bf1ef4f550e3f10b0a81e0b504efc552bb"},"schema_version":"1.0"},"canonical_sha256":"19894383d77b4b7a6d808ec2fda18831f27ff501461c06e456e56435ba022309","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:32.885785Z","signature_b64":"6ZmRY9HKvH5HFCXrNerPMrarDf+QrcxP/tZK53k6hmsgh74v4S6BsGrrkexMmJxA/EprvGjjtue1X7Vdl3SPBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19894383d77b4b7a6d808ec2fda18831f27ff501461c06e456e56435ba022309","last_reissued_at":"2026-05-18T00:38:32.885262Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:32.885262Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.01875","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":"2026-05-18T00:38:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/BWGlLl82gJh9DENHdl4g6utuFgemxOslG0XphndAFbjIrhT43ZZ5DQYQVat78UuPoRpTmTJD+IvxCA4Ou4gCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T14:37:34.888465Z"},"content_sha256":"71fbd107d41472111360047dfba4f881f964a3a7e77b5034b66717648d7a6d65","schema_version":"1.0","event_id":"sha256:71fbd107d41472111360047dfba4f881f964a3a7e77b5034b66717648d7a6d65"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:DGEUHA6XPNFXU3MAR3BP3IMIGH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fourier analysis of sampling from noisy chaotic quantum circuits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hartmut Neven, Sergio Boixo, Vadim N. Smelyanskiy","submitted_at":"2017-08-06T11:03:09Z","abstract_excerpt":"Sampling from the output distribution of chaotic quantum evolutions, and of pseudo-random universal quantum circuits in particular, has been proposed as a prominent milestone for near-term quantum supremacy. The same paper notes that chaotic distributions are very sensitive to noise, and under quite general noise models converge to the uniform distribution over bit-strings exponentially in the number of gates. On the one hand, for increasing number of gates, it suffices to choose bit-strings at random to approximate the noisy distribution with fixed statistical distance. On the other hand, cro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.01875","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":""},"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":"2026-05-18T00:38:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/xPArfLMzQd6KvFRqNQUSek0sRuNRIrha791Is006rOhC04NDmsVLJZUUMXjxqXKNI8n2LZK+OFxQTNtbGUxBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T14:37:34.888808Z"},"content_sha256":"7c0b398426b6a9b5c51f157038761fb3d8ab4ebf7b2a210d68da462152c32bf5","schema_version":"1.0","event_id":"sha256:7c0b398426b6a9b5c51f157038761fb3d8ab4ebf7b2a210d68da462152c32bf5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DGEUHA6XPNFXU3MAR3BP3IMIGH/bundle.json","state_url":"https://pith.science/pith/DGEUHA6XPNFXU3MAR3BP3IMIGH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DGEUHA6XPNFXU3MAR3BP3IMIGH/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":"2026-06-08T14:37:34Z","links":{"resolver":"https://pith.science/pith/DGEUHA6XPNFXU3MAR3BP3IMIGH","bundle":"https://pith.science/pith/DGEUHA6XPNFXU3MAR3BP3IMIGH/bundle.json","state":"https://pith.science/pith/DGEUHA6XPNFXU3MAR3BP3IMIGH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DGEUHA6XPNFXU3MAR3BP3IMIGH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:DGEUHA6XPNFXU3MAR3BP3IMIGH","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":"872684a7bfb0fdab17830d2203e6b5bf1ef4f550e3f10b0a81e0b504efc552bb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-08-06T11:03:09Z","title_canon_sha256":"7f561345854a1dc6eff88d125e9516dd218a2c03b6d56624877779559ee1f5cb"},"schema_version":"1.0","source":{"id":"1708.01875","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.01875","created_at":"2026-05-18T00:38:32Z"},{"alias_kind":"arxiv_version","alias_value":"1708.01875v1","created_at":"2026-05-18T00:38:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.01875","created_at":"2026-05-18T00:38:32Z"},{"alias_kind":"pith_short_12","alias_value":"DGEUHA6XPNFX","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"DGEUHA6XPNFXU3MA","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"DGEUHA6X","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:7c0b398426b6a9b5c51f157038761fb3d8ab4ebf7b2a210d68da462152c32bf5","target":"graph","created_at":"2026-05-18T00:38:32Z","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"},"paper":{"abstract_excerpt":"Sampling from the output distribution of chaotic quantum evolutions, and of pseudo-random universal quantum circuits in particular, has been proposed as a prominent milestone for near-term quantum supremacy. The same paper notes that chaotic distributions are very sensitive to noise, and under quite general noise models converge to the uniform distribution over bit-strings exponentially in the number of gates. On the one hand, for increasing number of gates, it suffices to choose bit-strings at random to approximate the noisy distribution with fixed statistical distance. On the other hand, cro","authors_text":"Hartmut Neven, Sergio Boixo, Vadim N. Smelyanskiy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-08-06T11:03:09Z","title":"Fourier analysis of sampling from noisy chaotic quantum circuits"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.01875","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":"sha256:71fbd107d41472111360047dfba4f881f964a3a7e77b5034b66717648d7a6d65","target":"record","created_at":"2026-05-18T00:38:32Z","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":"872684a7bfb0fdab17830d2203e6b5bf1ef4f550e3f10b0a81e0b504efc552bb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-08-06T11:03:09Z","title_canon_sha256":"7f561345854a1dc6eff88d125e9516dd218a2c03b6d56624877779559ee1f5cb"},"schema_version":"1.0","source":{"id":"1708.01875","kind":"arxiv","version":1}},"canonical_sha256":"19894383d77b4b7a6d808ec2fda18831f27ff501461c06e456e56435ba022309","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"19894383d77b4b7a6d808ec2fda18831f27ff501461c06e456e56435ba022309","first_computed_at":"2026-05-18T00:38:32.885262Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:32.885262Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6ZmRY9HKvH5HFCXrNerPMrarDf+QrcxP/tZK53k6hmsgh74v4S6BsGrrkexMmJxA/EprvGjjtue1X7Vdl3SPBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:32.885785Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.01875","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:71fbd107d41472111360047dfba4f881f964a3a7e77b5034b66717648d7a6d65","sha256:7c0b398426b6a9b5c51f157038761fb3d8ab4ebf7b2a210d68da462152c32bf5"],"state_sha256":"27ef363862d8755130fb95ea8b9ff41667a0a4641c1e1f83f578303e0683dd2e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tgpFMsoQQjcaZaaXvwm2UjyKauzYm2rwBC0PIhDggBGkIDjhc8oxqo6NJ9yMGAzHfjaEnRrpyDpG6ssEOdsVBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T14:37:34.890704Z","bundle_sha256":"015eff7eb56cfb9a890fcd0c36f01ac1824fef399ae6b4c1afc34be9cf14b2ed"}}