{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:6647NTUW3KC2UQZHXQ2OJRLW6S","short_pith_number":"pith:6647NTUW","canonical_record":{"source":{"id":"2412.18726","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-12-25T00:58:37Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"58f9872cace6481960996b6c26542c9b041309c2dc7da8db99052d378dff7d30","abstract_canon_sha256":"f4cc2b3ff5ab0c994a43f0a10d49409db97379381fedc6010312df8763c1939f"},"schema_version":"1.0"},"canonical_sha256":"f7b9f6ce96da85aa4327bc34e4c576f48a83dd5ecbaa495cb524238fda29ad58","source":{"kind":"arxiv","id":"2412.18726","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.18726","created_at":"2026-07-05T09:54:09Z"},{"alias_kind":"arxiv_version","alias_value":"2412.18726v1","created_at":"2026-07-05T09:54:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.18726","created_at":"2026-07-05T09:54:09Z"},{"alias_kind":"pith_short_12","alias_value":"6647NTUW3KC2","created_at":"2026-07-05T09:54:09Z"},{"alias_kind":"pith_short_16","alias_value":"6647NTUW3KC2UQZH","created_at":"2026-07-05T09:54:09Z"},{"alias_kind":"pith_short_8","alias_value":"6647NTUW","created_at":"2026-07-05T09:54:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:6647NTUW3KC2UQZHXQ2OJRLW6S","target":"record","payload":{"canonical_record":{"source":{"id":"2412.18726","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-12-25T00:58:37Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"58f9872cace6481960996b6c26542c9b041309c2dc7da8db99052d378dff7d30","abstract_canon_sha256":"f4cc2b3ff5ab0c994a43f0a10d49409db97379381fedc6010312df8763c1939f"},"schema_version":"1.0"},"canonical_sha256":"f7b9f6ce96da85aa4327bc34e4c576f48a83dd5ecbaa495cb524238fda29ad58","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:54:09.700181Z","signature_b64":"n2Rfj9ylco+cUmK3WreaTlO8Ru4UEcBTRuG9+ap1YNRvz7IZsXjIj0gJDQTawNM8XhkaRotJHTp9o3HSzLVpBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7b9f6ce96da85aa4327bc34e4c576f48a83dd5ecbaa495cb524238fda29ad58","last_reissued_at":"2026-07-05T09:54:09.699726Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:54:09.699726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.18726","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":"2026-07-05T09:54:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VkbZ7Tb7atjipr5Q8iU0GZyv5vmvBtRMzOOOGwB75quPtHaIuoe+bGRNNSNCMr+fQ9bm8wwW7gcpojl95+RuBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T15:00:41.815299Z"},"content_sha256":"6b37d71333b3eb837d64c2663487d3a88e06f16afe14ae35b06ffc145516b91b","schema_version":"1.0","event_id":"sha256:6b37d71333b3eb837d64c2663487d3a88e06f16afe14ae35b06ffc145516b91b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:6647NTUW3KC2UQZHXQ2OJRLW6S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Opinion: The simplest quantum computer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"Charles Tahan","submitted_at":"2024-12-25T00:58:37Z","abstract_excerpt":"Instead of writing a review article on the state of the field, I'm going to instead write a retrospective from the year 2040. I'll tell you how this whole \"quantum computing thing\" turned out."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.18726","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/2412.18726/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":"2026-07-05T09:54:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l90uaFALSty1Wsj08bM4T3jrEoSfwxj++4wWPQDeBMk525mvXVnBczvJJ6vF+4gJ9yEob+0cyjom6ZM1DZTYDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T15:00:41.816247Z"},"content_sha256":"39244f8b78115ee7673875a10b76a2e680ca3f84b7a85e4baf1a213a00a82a47","schema_version":"1.0","event_id":"sha256:39244f8b78115ee7673875a10b76a2e680ca3f84b7a85e4baf1a213a00a82a47"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6647NTUW3KC2UQZHXQ2OJRLW6S/bundle.json","state_url":"https://pith.science/pith/6647NTUW3KC2UQZHXQ2OJRLW6S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6647NTUW3KC2UQZHXQ2OJRLW6S/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":"2026-08-14T15:00:41Z","links":{"resolver":"https://pith.science/pith/6647NTUW3KC2UQZHXQ2OJRLW6S","bundle":"https://pith.science/pith/6647NTUW3KC2UQZHXQ2OJRLW6S/bundle.json","state":"https://pith.science/pith/6647NTUW3KC2UQZHXQ2OJRLW6S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6647NTUW3KC2UQZHXQ2OJRLW6S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:6647NTUW3KC2UQZHXQ2OJRLW6S","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":"f4cc2b3ff5ab0c994a43f0a10d49409db97379381fedc6010312df8763c1939f","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-12-25T00:58:37Z","title_canon_sha256":"58f9872cace6481960996b6c26542c9b041309c2dc7da8db99052d378dff7d30"},"schema_version":"1.0","source":{"id":"2412.18726","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.18726","created_at":"2026-07-05T09:54:09Z"},{"alias_kind":"arxiv_version","alias_value":"2412.18726v1","created_at":"2026-07-05T09:54:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.18726","created_at":"2026-07-05T09:54:09Z"},{"alias_kind":"pith_short_12","alias_value":"6647NTUW3KC2","created_at":"2026-07-05T09:54:09Z"},{"alias_kind":"pith_short_16","alias_value":"6647NTUW3KC2UQZH","created_at":"2026-07-05T09:54:09Z"},{"alias_kind":"pith_short_8","alias_value":"6647NTUW","created_at":"2026-07-05T09:54:09Z"}],"graph_snapshots":[{"event_id":"sha256:39244f8b78115ee7673875a10b76a2e680ca3f84b7a85e4baf1a213a00a82a47","target":"graph","created_at":"2026-07-05T09:54:09Z","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/2412.18726/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Instead of writing a review article on the state of the field, I'm going to instead write a retrospective from the year 2040. I'll tell you how this whole \"quantum computing thing\" turned out.","authors_text":"Charles Tahan","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-12-25T00:58:37Z","title":"Opinion: The simplest quantum computer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.18726","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":"sha256:6b37d71333b3eb837d64c2663487d3a88e06f16afe14ae35b06ffc145516b91b","target":"record","created_at":"2026-07-05T09:54:09Z","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":"f4cc2b3ff5ab0c994a43f0a10d49409db97379381fedc6010312df8763c1939f","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-12-25T00:58:37Z","title_canon_sha256":"58f9872cace6481960996b6c26542c9b041309c2dc7da8db99052d378dff7d30"},"schema_version":"1.0","source":{"id":"2412.18726","kind":"arxiv","version":1}},"canonical_sha256":"f7b9f6ce96da85aa4327bc34e4c576f48a83dd5ecbaa495cb524238fda29ad58","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7b9f6ce96da85aa4327bc34e4c576f48a83dd5ecbaa495cb524238fda29ad58","first_computed_at":"2026-07-05T09:54:09.699726Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:54:09.699726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"n2Rfj9ylco+cUmK3WreaTlO8Ru4UEcBTRuG9+ap1YNRvz7IZsXjIj0gJDQTawNM8XhkaRotJHTp9o3HSzLVpBw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:54:09.700181Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.18726","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b37d71333b3eb837d64c2663487d3a88e06f16afe14ae35b06ffc145516b91b","sha256:39244f8b78115ee7673875a10b76a2e680ca3f84b7a85e4baf1a213a00a82a47"],"state_sha256":"d105b9dad2534001bc4a646ec63d7f3c4217f6ece1e29b837e237be5dadd984c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WW5BnZpeZ/uvI3QWQM/4Zmzkcg7n+DB5PSCyoSu1b8/qrSArLlsOGQ6V5+7HU7c+qgW0jqR37/tr1bQ0c2NEDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T15:00:41.822650Z","bundle_sha256":"202acceb0ce8b537d76c1b6924d6d06512b6395e15c02727213051e182c4df2b"}}