{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:MEAFHGUDCRNP4PD3NDTWPJYQKU","short_pith_number":"pith:MEAFHGUD","canonical_record":{"source":{"id":"1604.05973","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-20T14:22:31Z","cross_cats_sorted":[],"title_canon_sha256":"85431a20e85288326163c297a3045c375a14efc9887c91fe7d2dbcc25f6c8c0c","abstract_canon_sha256":"c0013654abba32527615b2a051afeaf1c0f3818153800b31d6e0bae504ee1023"},"schema_version":"1.0"},"canonical_sha256":"6100539a83145afe3c7b68e767a710550020d1bcd3cdbbccc418d76314dc2f41","source":{"kind":"arxiv","id":"1604.05973","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.05973","created_at":"2026-05-18T01:16:34Z"},{"alias_kind":"arxiv_version","alias_value":"1604.05973v1","created_at":"2026-05-18T01:16:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05973","created_at":"2026-05-18T01:16:34Z"},{"alias_kind":"pith_short_12","alias_value":"MEAFHGUDCRNP","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"MEAFHGUDCRNP4PD3","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"MEAFHGUD","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:MEAFHGUDCRNP4PD3NDTWPJYQKU","target":"record","payload":{"canonical_record":{"source":{"id":"1604.05973","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-20T14:22:31Z","cross_cats_sorted":[],"title_canon_sha256":"85431a20e85288326163c297a3045c375a14efc9887c91fe7d2dbcc25f6c8c0c","abstract_canon_sha256":"c0013654abba32527615b2a051afeaf1c0f3818153800b31d6e0bae504ee1023"},"schema_version":"1.0"},"canonical_sha256":"6100539a83145afe3c7b68e767a710550020d1bcd3cdbbccc418d76314dc2f41","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:34.051138Z","signature_b64":"q+sS1FW56IigF68NtoGh8j1+7PPXEmD4BvUAu/gMxLQ4PupAz3nQEIBVmq/JuyKNdj91Rnq+HcRPjObMH1uTCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6100539a83145afe3c7b68e767a710550020d1bcd3cdbbccc418d76314dc2f41","last_reissued_at":"2026-05-18T01:16:34.050552Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:34.050552Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.05973","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":"2026-05-18T01:16:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OKt5K41Wsfk8iGIE5tjXxDIw1Sfjb6edpiiscSRPBl7RcAn9b0RvhM5Ab6sU9G6x7TKhKofzgzY6exgeoH09BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:29:38.020408Z"},"content_sha256":"01ab144a57ed194cb95df5f5928c72e92b1bea6be2f0adbbe57841d4833a3720","schema_version":"1.0","event_id":"sha256:01ab144a57ed194cb95df5f5928c72e92b1bea6be2f0adbbe57841d4833a3720"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:MEAFHGUDCRNP4PD3NDTWPJYQKU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"What is orthodox quantum mechanics?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"David Wallace","submitted_at":"2016-04-20T14:22:31Z","abstract_excerpt":"What is called \"orthodox\" quantum mechanics, as presented in standard foundational discussions, relies on two substantive assumptions --- the projection postulate and the eigenvalue-eigenvector link --- that do not in fact play any part in practical applications of quantum mechanics. I argue for this conclusion on a number of grounds, but primarily on the grounds that the projection postulate fails correctly to account for repeated, continuous and unsharp measurements (all of which are standard in contemporary physics) and that the eigenvalue-eigenvector link implies that virtually all interes"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05973","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":"2026-05-18T01:16:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"evQFN/rs5Tg7nAl00MJDo0LWnFWIedLTZehOc5qI6Tsd1nStHkBxG9AUyKCoul5d9ZJdIPWvlOZPjh8IK/0uCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:29:38.020975Z"},"content_sha256":"678389de4a70c64ed03c046c212105b9f3cc004ea9685a2b347e4d800d285aec","schema_version":"1.0","event_id":"sha256:678389de4a70c64ed03c046c212105b9f3cc004ea9685a2b347e4d800d285aec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MEAFHGUDCRNP4PD3NDTWPJYQKU/bundle.json","state_url":"https://pith.science/pith/MEAFHGUDCRNP4PD3NDTWPJYQKU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MEAFHGUDCRNP4PD3NDTWPJYQKU/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":"2026-05-27T18:29:38Z","links":{"resolver":"https://pith.science/pith/MEAFHGUDCRNP4PD3NDTWPJYQKU","bundle":"https://pith.science/pith/MEAFHGUDCRNP4PD3NDTWPJYQKU/bundle.json","state":"https://pith.science/pith/MEAFHGUDCRNP4PD3NDTWPJYQKU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MEAFHGUDCRNP4PD3NDTWPJYQKU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:MEAFHGUDCRNP4PD3NDTWPJYQKU","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":"c0013654abba32527615b2a051afeaf1c0f3818153800b31d6e0bae504ee1023","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-20T14:22:31Z","title_canon_sha256":"85431a20e85288326163c297a3045c375a14efc9887c91fe7d2dbcc25f6c8c0c"},"schema_version":"1.0","source":{"id":"1604.05973","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.05973","created_at":"2026-05-18T01:16:34Z"},{"alias_kind":"arxiv_version","alias_value":"1604.05973v1","created_at":"2026-05-18T01:16:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05973","created_at":"2026-05-18T01:16:34Z"},{"alias_kind":"pith_short_12","alias_value":"MEAFHGUDCRNP","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"MEAFHGUDCRNP4PD3","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"MEAFHGUD","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:678389de4a70c64ed03c046c212105b9f3cc004ea9685a2b347e4d800d285aec","target":"graph","created_at":"2026-05-18T01:16:34Z","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":"What is called \"orthodox\" quantum mechanics, as presented in standard foundational discussions, relies on two substantive assumptions --- the projection postulate and the eigenvalue-eigenvector link --- that do not in fact play any part in practical applications of quantum mechanics. I argue for this conclusion on a number of grounds, but primarily on the grounds that the projection postulate fails correctly to account for repeated, continuous and unsharp measurements (all of which are standard in contemporary physics) and that the eigenvalue-eigenvector link implies that virtually all interes","authors_text":"David Wallace","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-20T14:22:31Z","title":"What is orthodox quantum mechanics?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05973","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":"sha256:01ab144a57ed194cb95df5f5928c72e92b1bea6be2f0adbbe57841d4833a3720","target":"record","created_at":"2026-05-18T01:16:34Z","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":"c0013654abba32527615b2a051afeaf1c0f3818153800b31d6e0bae504ee1023","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-20T14:22:31Z","title_canon_sha256":"85431a20e85288326163c297a3045c375a14efc9887c91fe7d2dbcc25f6c8c0c"},"schema_version":"1.0","source":{"id":"1604.05973","kind":"arxiv","version":1}},"canonical_sha256":"6100539a83145afe3c7b68e767a710550020d1bcd3cdbbccc418d76314dc2f41","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6100539a83145afe3c7b68e767a710550020d1bcd3cdbbccc418d76314dc2f41","first_computed_at":"2026-05-18T01:16:34.050552Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:34.050552Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q+sS1FW56IigF68NtoGh8j1+7PPXEmD4BvUAu/gMxLQ4PupAz3nQEIBVmq/JuyKNdj91Rnq+HcRPjObMH1uTCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:34.051138Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.05973","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:01ab144a57ed194cb95df5f5928c72e92b1bea6be2f0adbbe57841d4833a3720","sha256:678389de4a70c64ed03c046c212105b9f3cc004ea9685a2b347e4d800d285aec"],"state_sha256":"7a924d38a718cad83855ef941de799c2cd60d9883af2db3a99f76056c449c77f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G2tmji9dNXqafxDk55W01k8ChitMYPswwBZkYXSPfaoqQxkzandZY/9qP4rT5i2lqRidH4WRDALf2aNehmQjCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:29:38.023904Z","bundle_sha256":"8b63cdc16bf0010cf976cefc11be5025f7abf894a83c871b191b24daf1cd7291"}}