{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:HYQWC3X6Q464RLOJTEE7DIM6Y2","short_pith_number":"pith:HYQWC3X6","canonical_record":{"source":{"id":"1510.08064","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-27T20:06:03Z","cross_cats_sorted":[],"title_canon_sha256":"944f7d40aa96915603c7f4e1919c1b51135a31b659568cfd2d66c3d3b017c936","abstract_canon_sha256":"80374c74f5f09ddaa63368af0e3fb9cab17dfc393eedf46e88f93bbd6ec6b46b"},"schema_version":"1.0"},"canonical_sha256":"3e21616efe873dc8adc99909f1a19ec68d1e6070eb6adf90a78d5d0da2114a66","source":{"kind":"arxiv","id":"1510.08064","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.08064","created_at":"2026-05-18T01:03:12Z"},{"alias_kind":"arxiv_version","alias_value":"1510.08064v1","created_at":"2026-05-18T01:03:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.08064","created_at":"2026-05-18T01:03:12Z"},{"alias_kind":"pith_short_12","alias_value":"HYQWC3X6Q464","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HYQWC3X6Q464RLOJ","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HYQWC3X6","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:HYQWC3X6Q464RLOJTEE7DIM6Y2","target":"record","payload":{"canonical_record":{"source":{"id":"1510.08064","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-27T20:06:03Z","cross_cats_sorted":[],"title_canon_sha256":"944f7d40aa96915603c7f4e1919c1b51135a31b659568cfd2d66c3d3b017c936","abstract_canon_sha256":"80374c74f5f09ddaa63368af0e3fb9cab17dfc393eedf46e88f93bbd6ec6b46b"},"schema_version":"1.0"},"canonical_sha256":"3e21616efe873dc8adc99909f1a19ec68d1e6070eb6adf90a78d5d0da2114a66","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:12.029220Z","signature_b64":"A6JoxCnxB3ONJThlCNzfyg1JCDFU20vTnd3YZH3bzsH8OJCCfYTKMSNKZzAiVXB3XwkUywD4uj+ofnzjq1y7BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e21616efe873dc8adc99909f1a19ec68d1e6070eb6adf90a78d5d0da2114a66","last_reissued_at":"2026-05-18T01:03:12.028749Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:12.028749Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.08064","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":"2026-05-18T01:03:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0TBkoQabdj8njjAxL9lK4bG8kTrxw0SAUCMdiFE9//7m2w72IUGov0KjXIp1Df6Beu5YY6+lH5PFND316havBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:36:24.479846Z"},"content_sha256":"cbcd3dca108b0f406f35d9934e1496d6c16bac0781571b3ea58a2e159eeaa44f","schema_version":"1.0","event_id":"sha256:cbcd3dca108b0f406f35d9934e1496d6c16bac0781571b3ea58a2e159eeaa44f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:HYQWC3X6Q464RLOJTEE7DIM6Y2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Microwave Boson Sampling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Al\\'an Aspuru-Guzik, Borja Peropadre, Gian Giacomo Guerreschi, Joonsuk Huh","submitted_at":"2015-10-27T20:06:03Z","abstract_excerpt":"The first post-classical computation will most probably be performed not on a universal quantum computer, but rather on a dedicated quantum hardware. A strong candidate for achieving this is represented by the task of sampling from the output distribution of linear quantum optical networks. This problem, known as boson sampling, has recently been shown to be intractable for any classical computer, but it is naturally carried out by running the corresponding experiment. However, only small scale realizations of boson sampling experiments have been demonstrated to date. Their main limitation is "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.08064","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":"2026-05-18T01:03:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ElGIfVOOo9tN0DdeUtd4+iKb8HTShdDJgH7yTP9KwWQtYkbEltEPyd8zUK8qECS7YsZML7lJ60yQWSE9NFQ8Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:36:24.480189Z"},"content_sha256":"cb85bd1fe40b235f6996a7281ea04d9bac8873a6c32e9121152873925b60acaa","schema_version":"1.0","event_id":"sha256:cb85bd1fe40b235f6996a7281ea04d9bac8873a6c32e9121152873925b60acaa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HYQWC3X6Q464RLOJTEE7DIM6Y2/bundle.json","state_url":"https://pith.science/pith/HYQWC3X6Q464RLOJTEE7DIM6Y2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HYQWC3X6Q464RLOJTEE7DIM6Y2/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":"2026-05-28T07:36:24Z","links":{"resolver":"https://pith.science/pith/HYQWC3X6Q464RLOJTEE7DIM6Y2","bundle":"https://pith.science/pith/HYQWC3X6Q464RLOJTEE7DIM6Y2/bundle.json","state":"https://pith.science/pith/HYQWC3X6Q464RLOJTEE7DIM6Y2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HYQWC3X6Q464RLOJTEE7DIM6Y2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:HYQWC3X6Q464RLOJTEE7DIM6Y2","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":"80374c74f5f09ddaa63368af0e3fb9cab17dfc393eedf46e88f93bbd6ec6b46b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-27T20:06:03Z","title_canon_sha256":"944f7d40aa96915603c7f4e1919c1b51135a31b659568cfd2d66c3d3b017c936"},"schema_version":"1.0","source":{"id":"1510.08064","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.08064","created_at":"2026-05-18T01:03:12Z"},{"alias_kind":"arxiv_version","alias_value":"1510.08064v1","created_at":"2026-05-18T01:03:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.08064","created_at":"2026-05-18T01:03:12Z"},{"alias_kind":"pith_short_12","alias_value":"HYQWC3X6Q464","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HYQWC3X6Q464RLOJ","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HYQWC3X6","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:cb85bd1fe40b235f6996a7281ea04d9bac8873a6c32e9121152873925b60acaa","target":"graph","created_at":"2026-05-18T01:03:12Z","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":"The first post-classical computation will most probably be performed not on a universal quantum computer, but rather on a dedicated quantum hardware. A strong candidate for achieving this is represented by the task of sampling from the output distribution of linear quantum optical networks. This problem, known as boson sampling, has recently been shown to be intractable for any classical computer, but it is naturally carried out by running the corresponding experiment. However, only small scale realizations of boson sampling experiments have been demonstrated to date. Their main limitation is ","authors_text":"Al\\'an Aspuru-Guzik, Borja Peropadre, Gian Giacomo Guerreschi, Joonsuk Huh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-27T20:06:03Z","title":"Microwave Boson Sampling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.08064","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:cbcd3dca108b0f406f35d9934e1496d6c16bac0781571b3ea58a2e159eeaa44f","target":"record","created_at":"2026-05-18T01:03:12Z","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":"80374c74f5f09ddaa63368af0e3fb9cab17dfc393eedf46e88f93bbd6ec6b46b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-27T20:06:03Z","title_canon_sha256":"944f7d40aa96915603c7f4e1919c1b51135a31b659568cfd2d66c3d3b017c936"},"schema_version":"1.0","source":{"id":"1510.08064","kind":"arxiv","version":1}},"canonical_sha256":"3e21616efe873dc8adc99909f1a19ec68d1e6070eb6adf90a78d5d0da2114a66","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e21616efe873dc8adc99909f1a19ec68d1e6070eb6adf90a78d5d0da2114a66","first_computed_at":"2026-05-18T01:03:12.028749Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:12.028749Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A6JoxCnxB3ONJThlCNzfyg1JCDFU20vTnd3YZH3bzsH8OJCCfYTKMSNKZzAiVXB3XwkUywD4uj+ofnzjq1y7BA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:12.029220Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.08064","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cbcd3dca108b0f406f35d9934e1496d6c16bac0781571b3ea58a2e159eeaa44f","sha256:cb85bd1fe40b235f6996a7281ea04d9bac8873a6c32e9121152873925b60acaa"],"state_sha256":"bc8f4619e13ea52eb80d4e9f88a9ef71605857493d99b08c57b87333f8105193"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uWESWfepq/XQPPXLLdEGVcwQjiUfDA07wqwIGVMgBL4In0w7esYGu6yN2cReJPlF1qdgUXOZongcnI/TSua5BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T07:36:24.482144Z","bundle_sha256":"772251824a76f85869f49c8e5d0ca4bdda5a14f5833cfa85d95e9f2b9ce4349e"}}