{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:K6VAXS4DJBJHVOMMZHSMF7M4RZ","short_pith_number":"pith:K6VAXS4D","canonical_record":{"source":{"id":"1104.4405","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-04-22T07:52:07Z","cross_cats_sorted":[],"title_canon_sha256":"d38c437c864b9d9ef0e982b1677f3da2de7fa143cdc997a97f4aa0ef880a2161","abstract_canon_sha256":"357e4a69f789f13baa6ac28f795eb0fe054d6752ba13f65711411e707d53f254"},"schema_version":"1.0"},"canonical_sha256":"57aa0bcb8348527ab98cc9e4c2fd9c8e59f188761dbf8eafbe2ebd0219b4b14c","source":{"kind":"arxiv","id":"1104.4405","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.4405","created_at":"2026-05-18T04:23:34Z"},{"alias_kind":"arxiv_version","alias_value":"1104.4405v1","created_at":"2026-05-18T04:23:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.4405","created_at":"2026-05-18T04:23:34Z"},{"alias_kind":"pith_short_12","alias_value":"K6VAXS4DJBJH","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"K6VAXS4DJBJHVOMM","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"K6VAXS4D","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:K6VAXS4DJBJHVOMMZHSMF7M4RZ","target":"record","payload":{"canonical_record":{"source":{"id":"1104.4405","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-04-22T07:52:07Z","cross_cats_sorted":[],"title_canon_sha256":"d38c437c864b9d9ef0e982b1677f3da2de7fa143cdc997a97f4aa0ef880a2161","abstract_canon_sha256":"357e4a69f789f13baa6ac28f795eb0fe054d6752ba13f65711411e707d53f254"},"schema_version":"1.0"},"canonical_sha256":"57aa0bcb8348527ab98cc9e4c2fd9c8e59f188761dbf8eafbe2ebd0219b4b14c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:23:34.678635Z","signature_b64":"8Iq9fx+jKc8YQbTLdWOJBt7e3WXO5I9DUcUxFWjXDsLgcKTJwXA0EroGm5lqNd0Hhul02lwqKMiYLv0pTjyQAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57aa0bcb8348527ab98cc9e4c2fd9c8e59f188761dbf8eafbe2ebd0219b4b14c","last_reissued_at":"2026-05-18T04:23:34.678171Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:23:34.678171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.4405","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":"2026-05-18T04:23:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jlCgkYtoM2xKuo189xGKN37IC0GpuVdWIq3P2cXGC7csflNKmgFSWWFckgIzwuSKuVTBgkd251r/9Liyh+zeAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:37:34.283033Z"},"content_sha256":"a595faba74d796c0f3d03d33da3d4df06ec24e4640b62039c1f3c4fe5999219d","schema_version":"1.0","event_id":"sha256:a595faba74d796c0f3d03d33da3d4df06ec24e4640b62039c1f3c4fe5999219d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:K6VAXS4DJBJHVOMMZHSMF7M4RZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Time-dependent pointer states and determination of the preferred basis of measurement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"G.W.F. Drake, Hoofar Daneshvar","submitted_at":"2011-04-22T07:52:07Z","abstract_excerpt":"We present a general analytic method for evaluating the generally time-dependent pointer states of a subsystem, which are defined by their capability not to entangle with the states of another subsystem. In this way, we show how in practice the global state of the system and the environment may evolve into a diagonal state as a result of the natural evolution of the total composite system. We explore the conditions under which the pointer states of the system become independent of time; so that a preferred basis of measurement can be realized. As we show, these conditions include the so-called"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4405","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":"2026-05-18T04:23:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7nxivWg98z+ae9hR2eKjB8nsdlvnevH4AEvmX58isl04FsCgeOhPaScnqUidQgG9eFHSVXhmaEs/mgt5aeFuDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:37:34.283474Z"},"content_sha256":"cb316254928cd35e887e133e6f92e926e6c671eef08a02bb1b1448a197267f44","schema_version":"1.0","event_id":"sha256:cb316254928cd35e887e133e6f92e926e6c671eef08a02bb1b1448a197267f44"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K6VAXS4DJBJHVOMMZHSMF7M4RZ/bundle.json","state_url":"https://pith.science/pith/K6VAXS4DJBJHVOMMZHSMF7M4RZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K6VAXS4DJBJHVOMMZHSMF7M4RZ/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":"2026-08-03T18:37:34Z","links":{"resolver":"https://pith.science/pith/K6VAXS4DJBJHVOMMZHSMF7M4RZ","bundle":"https://pith.science/pith/K6VAXS4DJBJHVOMMZHSMF7M4RZ/bundle.json","state":"https://pith.science/pith/K6VAXS4DJBJHVOMMZHSMF7M4RZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K6VAXS4DJBJHVOMMZHSMF7M4RZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:K6VAXS4DJBJHVOMMZHSMF7M4RZ","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":"357e4a69f789f13baa6ac28f795eb0fe054d6752ba13f65711411e707d53f254","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-04-22T07:52:07Z","title_canon_sha256":"d38c437c864b9d9ef0e982b1677f3da2de7fa143cdc997a97f4aa0ef880a2161"},"schema_version":"1.0","source":{"id":"1104.4405","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.4405","created_at":"2026-05-18T04:23:34Z"},{"alias_kind":"arxiv_version","alias_value":"1104.4405v1","created_at":"2026-05-18T04:23:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.4405","created_at":"2026-05-18T04:23:34Z"},{"alias_kind":"pith_short_12","alias_value":"K6VAXS4DJBJH","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"K6VAXS4DJBJHVOMM","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"K6VAXS4D","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:cb316254928cd35e887e133e6f92e926e6c671eef08a02bb1b1448a197267f44","target":"graph","created_at":"2026-05-18T04:23:34Z","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":"We present a general analytic method for evaluating the generally time-dependent pointer states of a subsystem, which are defined by their capability not to entangle with the states of another subsystem. In this way, we show how in practice the global state of the system and the environment may evolve into a diagonal state as a result of the natural evolution of the total composite system. We explore the conditions under which the pointer states of the system become independent of time; so that a preferred basis of measurement can be realized. As we show, these conditions include the so-called","authors_text":"G.W.F. Drake, Hoofar Daneshvar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-04-22T07:52:07Z","title":"Time-dependent pointer states and determination of the preferred basis of measurement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4405","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:a595faba74d796c0f3d03d33da3d4df06ec24e4640b62039c1f3c4fe5999219d","target":"record","created_at":"2026-05-18T04:23:34Z","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":"357e4a69f789f13baa6ac28f795eb0fe054d6752ba13f65711411e707d53f254","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-04-22T07:52:07Z","title_canon_sha256":"d38c437c864b9d9ef0e982b1677f3da2de7fa143cdc997a97f4aa0ef880a2161"},"schema_version":"1.0","source":{"id":"1104.4405","kind":"arxiv","version":1}},"canonical_sha256":"57aa0bcb8348527ab98cc9e4c2fd9c8e59f188761dbf8eafbe2ebd0219b4b14c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57aa0bcb8348527ab98cc9e4c2fd9c8e59f188761dbf8eafbe2ebd0219b4b14c","first_computed_at":"2026-05-18T04:23:34.678171Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:23:34.678171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8Iq9fx+jKc8YQbTLdWOJBt7e3WXO5I9DUcUxFWjXDsLgcKTJwXA0EroGm5lqNd0Hhul02lwqKMiYLv0pTjyQAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:23:34.678635Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.4405","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a595faba74d796c0f3d03d33da3d4df06ec24e4640b62039c1f3c4fe5999219d","sha256:cb316254928cd35e887e133e6f92e926e6c671eef08a02bb1b1448a197267f44"],"state_sha256":"35ecf2ae658b5b69b7f3c15eb3e4c1b9863b8bb3e3b8c4e7064d037b126fde2e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MygElxwWcOZX4qsTafvOtoTMtdALUyan6rUAKfovcpUl+P/7H7A26jKQb3aBPnqSWIbxss/K4M+7aUfV1t/yCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T18:37:34.287095Z","bundle_sha256":"f44dc34144b69848fa3494b3f324cdfcd08db2d4a7498ec9d81b5ec465deac63"}}