{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:LOSFYHEYUEKWXR2PU7YWSMNZ2X","short_pith_number":"pith:LOSFYHEY","canonical_record":{"source":{"id":"1902.10782","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-02-27T20:57:10Z","cross_cats_sorted":[],"title_canon_sha256":"778e0f7df1b244a6ca2ced677139f20b28896f5a63d61a03bbc91d353ce50c69","abstract_canon_sha256":"5488fda6deb73079b45579eb9e7630155da5174f7e9826a2aaa80bd914114e7d"},"schema_version":"1.0"},"canonical_sha256":"5ba45c1c98a1156bc74fa7f16931b9d5d53e868df4ae568d08acc8ea6a41a61c","source":{"kind":"arxiv","id":"1902.10782","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.10782","created_at":"2026-05-17T23:47:50Z"},{"alias_kind":"arxiv_version","alias_value":"1902.10782v2","created_at":"2026-05-17T23:47:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.10782","created_at":"2026-05-17T23:47:50Z"},{"alias_kind":"pith_short_12","alias_value":"LOSFYHEYUEKW","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LOSFYHEYUEKWXR2P","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LOSFYHEY","created_at":"2026-05-18T12:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:LOSFYHEYUEKWXR2PU7YWSMNZ2X","target":"record","payload":{"canonical_record":{"source":{"id":"1902.10782","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-02-27T20:57:10Z","cross_cats_sorted":[],"title_canon_sha256":"778e0f7df1b244a6ca2ced677139f20b28896f5a63d61a03bbc91d353ce50c69","abstract_canon_sha256":"5488fda6deb73079b45579eb9e7630155da5174f7e9826a2aaa80bd914114e7d"},"schema_version":"1.0"},"canonical_sha256":"5ba45c1c98a1156bc74fa7f16931b9d5d53e868df4ae568d08acc8ea6a41a61c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:50.606035Z","signature_b64":"GBweroyTANJhiWs+Wj0IKSbLZfVxeH8k3tMI/vRtwxMWW0TNldhnR/pl9JjS8c42nOIX3e6yLn4e/tWmayFLAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ba45c1c98a1156bc74fa7f16931b9d5d53e868df4ae568d08acc8ea6a41a61c","last_reissued_at":"2026-05-17T23:47:50.605530Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:50.605530Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.10782","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:47:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f+CLwsufB65UDPFzuz4Rv4D3gDAEoVEDiidzBQsbK/WDJMrTrBTiKzQ6IDbyLXlT/1jhf4OpvDknYStkVS+4Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T08:36:30.661820Z"},"content_sha256":"83b3f9260fab2b5b9d61d98259c0147f818b2729d64431fd7e2c39d234ce546f","schema_version":"1.0","event_id":"sha256:83b3f9260fab2b5b9d61d98259c0147f818b2729d64431fd7e2c39d234ce546f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:LOSFYHEYUEKWXR2PU7YWSMNZ2X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Foundations of quantum physics III. Measurement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Arnold Neumaier","submitted_at":"2019-02-27T20:57:10Z","abstract_excerpt":"This paper presents the measurement problem from the point of view of the thermal interpretation of quantum physics introduced in Part II. The measurement of a Hermitian quantity $A$ is regarded as giving an uncertain value approximating the q-expectation $\\langle A\\rangle$ rather than (as tradition wanted to have it) as an exact revelation of an eigenvalue of $A$. Single observations of microscopic systems are (except under special circumstances) very uncertain measurements only. The thermal interpretation\n  * treats detection events as a statistical measurement of particle beam intensity.\n  "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.10782","kind":"arxiv","version":2},"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":"2026-05-17T23:47:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y3VEl8ktNdr7+R5FZiccbPgG4Oj68AxCsOlIUlJWcmnX2R2CUdPdUnzM4Nte8mu+UE8AIv4jIw/m7oXHye3oBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T08:36:30.662166Z"},"content_sha256":"8d3a7b2da1153baa0880c816d5f2486627ec1ebd41daca676966044d9b2507f6","schema_version":"1.0","event_id":"sha256:8d3a7b2da1153baa0880c816d5f2486627ec1ebd41daca676966044d9b2507f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LOSFYHEYUEKWXR2PU7YWSMNZ2X/bundle.json","state_url":"https://pith.science/pith/LOSFYHEYUEKWXR2PU7YWSMNZ2X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LOSFYHEYUEKWXR2PU7YWSMNZ2X/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":"2026-06-24T08:36:30Z","links":{"resolver":"https://pith.science/pith/LOSFYHEYUEKWXR2PU7YWSMNZ2X","bundle":"https://pith.science/pith/LOSFYHEYUEKWXR2PU7YWSMNZ2X/bundle.json","state":"https://pith.science/pith/LOSFYHEYUEKWXR2PU7YWSMNZ2X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LOSFYHEYUEKWXR2PU7YWSMNZ2X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:LOSFYHEYUEKWXR2PU7YWSMNZ2X","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":"5488fda6deb73079b45579eb9e7630155da5174f7e9826a2aaa80bd914114e7d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-02-27T20:57:10Z","title_canon_sha256":"778e0f7df1b244a6ca2ced677139f20b28896f5a63d61a03bbc91d353ce50c69"},"schema_version":"1.0","source":{"id":"1902.10782","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.10782","created_at":"2026-05-17T23:47:50Z"},{"alias_kind":"arxiv_version","alias_value":"1902.10782v2","created_at":"2026-05-17T23:47:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.10782","created_at":"2026-05-17T23:47:50Z"},{"alias_kind":"pith_short_12","alias_value":"LOSFYHEYUEKW","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LOSFYHEYUEKWXR2P","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LOSFYHEY","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:8d3a7b2da1153baa0880c816d5f2486627ec1ebd41daca676966044d9b2507f6","target":"graph","created_at":"2026-05-17T23:47:50Z","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":"This paper presents the measurement problem from the point of view of the thermal interpretation of quantum physics introduced in Part II. The measurement of a Hermitian quantity $A$ is regarded as giving an uncertain value approximating the q-expectation $\\langle A\\rangle$ rather than (as tradition wanted to have it) as an exact revelation of an eigenvalue of $A$. Single observations of microscopic systems are (except under special circumstances) very uncertain measurements only. The thermal interpretation\n  * treats detection events as a statistical measurement of particle beam intensity.\n  ","authors_text":"Arnold Neumaier","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-02-27T20:57:10Z","title":"Foundations of quantum physics III. Measurement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.10782","kind":"arxiv","version":2},"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":"sha256:83b3f9260fab2b5b9d61d98259c0147f818b2729d64431fd7e2c39d234ce546f","target":"record","created_at":"2026-05-17T23:47:50Z","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":"5488fda6deb73079b45579eb9e7630155da5174f7e9826a2aaa80bd914114e7d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-02-27T20:57:10Z","title_canon_sha256":"778e0f7df1b244a6ca2ced677139f20b28896f5a63d61a03bbc91d353ce50c69"},"schema_version":"1.0","source":{"id":"1902.10782","kind":"arxiv","version":2}},"canonical_sha256":"5ba45c1c98a1156bc74fa7f16931b9d5d53e868df4ae568d08acc8ea6a41a61c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ba45c1c98a1156bc74fa7f16931b9d5d53e868df4ae568d08acc8ea6a41a61c","first_computed_at":"2026-05-17T23:47:50.605530Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:50.605530Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GBweroyTANJhiWs+Wj0IKSbLZfVxeH8k3tMI/vRtwxMWW0TNldhnR/pl9JjS8c42nOIX3e6yLn4e/tWmayFLAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:50.606035Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.10782","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:83b3f9260fab2b5b9d61d98259c0147f818b2729d64431fd7e2c39d234ce546f","sha256:8d3a7b2da1153baa0880c816d5f2486627ec1ebd41daca676966044d9b2507f6"],"state_sha256":"720ccc52b0d7957eb9a0871c5ee60fea38fa40abdea0000381b8275e5fcf9cf9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qy4kuu3AAf+AsTSI8CWisCkMt8jT+3mGRd0rY1F0FQ7iQkv2RJYAIo60T0lP/lNLAEFHkSwRDpJitlOiessZDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T08:36:30.664186Z","bundle_sha256":"2f953dc3979a057d310ce540d1ddbbf64c152769900f970a7f21d8b79f38518c"}}