{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:GGT7I2TOLMNG4ULMZVCFPMQMUN","short_pith_number":"pith:GGT7I2TO","canonical_record":{"source":{"id":"1801.01341","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-04T13:33:49Z","cross_cats_sorted":[],"title_canon_sha256":"00bfddf40ba201c8d14d2312cf1614349f20d485c3e9dd53ac2d8ee084bea39c","abstract_canon_sha256":"5641118df354d5edda6327b3b7ddd656d68cc018c2075b62a64626ef27f67c2c"},"schema_version":"1.0"},"canonical_sha256":"31a7f46a6e5b1a6e516ccd4457b20ca34c52839412f4a46fc9cb516be0ce4e12","source":{"kind":"arxiv","id":"1801.01341","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.01341","created_at":"2026-05-18T00:18:52Z"},{"alias_kind":"arxiv_version","alias_value":"1801.01341v1","created_at":"2026-05-18T00:18:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.01341","created_at":"2026-05-18T00:18:52Z"},{"alias_kind":"pith_short_12","alias_value":"GGT7I2TOLMNG","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GGT7I2TOLMNG4ULM","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GGT7I2TO","created_at":"2026-05-18T12:32:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:GGT7I2TOLMNG4ULMZVCFPMQMUN","target":"record","payload":{"canonical_record":{"source":{"id":"1801.01341","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-04T13:33:49Z","cross_cats_sorted":[],"title_canon_sha256":"00bfddf40ba201c8d14d2312cf1614349f20d485c3e9dd53ac2d8ee084bea39c","abstract_canon_sha256":"5641118df354d5edda6327b3b7ddd656d68cc018c2075b62a64626ef27f67c2c"},"schema_version":"1.0"},"canonical_sha256":"31a7f46a6e5b1a6e516ccd4457b20ca34c52839412f4a46fc9cb516be0ce4e12","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:52.442424Z","signature_b64":"9hstP7C2p/1eT+DuMYOTym+m7x+LI8IsERacpVkPRnoKB3kUdYpAQ3wbsWcWqWvmvZEEBYYXwKESH3BOyajGBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31a7f46a6e5b1a6e516ccd4457b20ca34c52839412f4a46fc9cb516be0ce4e12","last_reissued_at":"2026-05-18T00:18:52.441994Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:52.441994Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.01341","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":"2026-05-18T00:18:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YYDUgTNdTpoBWm3c4AV4/1DxstvrybxrwGXMq/Vjkn7DePOtPTaZPDp+0LKvZ97UHDN00CGc5KNMCPkCP4/RDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:41:32.606819Z"},"content_sha256":"b1103bdc132f69abffc48c6eb059d6e76700ca928e656b896a12736eefa2bd46","schema_version":"1.0","event_id":"sha256:b1103bdc132f69abffc48c6eb059d6e76700ca928e656b896a12736eefa2bd46"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:GGT7I2TOLMNG4ULMZVCFPMQMUN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental tests of coherence and entanglement conservation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Anton\\'in \\v{C}ernoch, Jan Soubusta, Karel Lemr, Karol Bartkiewicz","submitted_at":"2018-01-04T13:33:49Z","abstract_excerpt":"We experimentally demonstrate the migration of coherence between composite quantum systems and their subsystems. The quantum systems are implemented using polarization states of photons in two experimental setups. The first setup is based on linear optical controlled-phase quantum gate and the second scheme is utilizing effects of nonlinear optics. Our experiment allows to verify the relation between correlations of the subsystems and the coherence of the composite system, which was given in terms of a conservation law for maximal accessible coherence by Svozil\\'ik \\emph{et al.} [Phys. Rev. Le"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.01341","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":"2026-05-18T00:18:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KMJg97Rsm1Av7rvb0PUHVPQpvpZ1cgeqcC3BiEthVBycnWmNSN4ytGYpLLXPeNctoCrjT8TSQsF5ZHGXCHXUDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:41:32.607459Z"},"content_sha256":"a8829dda51b986dda1eea55b4f1332527c5532a59929802b78cef98d20b7d367","schema_version":"1.0","event_id":"sha256:a8829dda51b986dda1eea55b4f1332527c5532a59929802b78cef98d20b7d367"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GGT7I2TOLMNG4ULMZVCFPMQMUN/bundle.json","state_url":"https://pith.science/pith/GGT7I2TOLMNG4ULMZVCFPMQMUN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GGT7I2TOLMNG4ULMZVCFPMQMUN/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":"2026-05-26T09:41:32Z","links":{"resolver":"https://pith.science/pith/GGT7I2TOLMNG4ULMZVCFPMQMUN","bundle":"https://pith.science/pith/GGT7I2TOLMNG4ULMZVCFPMQMUN/bundle.json","state":"https://pith.science/pith/GGT7I2TOLMNG4ULMZVCFPMQMUN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GGT7I2TOLMNG4ULMZVCFPMQMUN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:GGT7I2TOLMNG4ULMZVCFPMQMUN","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":"5641118df354d5edda6327b3b7ddd656d68cc018c2075b62a64626ef27f67c2c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-04T13:33:49Z","title_canon_sha256":"00bfddf40ba201c8d14d2312cf1614349f20d485c3e9dd53ac2d8ee084bea39c"},"schema_version":"1.0","source":{"id":"1801.01341","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.01341","created_at":"2026-05-18T00:18:52Z"},{"alias_kind":"arxiv_version","alias_value":"1801.01341v1","created_at":"2026-05-18T00:18:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.01341","created_at":"2026-05-18T00:18:52Z"},{"alias_kind":"pith_short_12","alias_value":"GGT7I2TOLMNG","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GGT7I2TOLMNG4ULM","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GGT7I2TO","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:a8829dda51b986dda1eea55b4f1332527c5532a59929802b78cef98d20b7d367","target":"graph","created_at":"2026-05-18T00:18:52Z","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 experimentally demonstrate the migration of coherence between composite quantum systems and their subsystems. The quantum systems are implemented using polarization states of photons in two experimental setups. The first setup is based on linear optical controlled-phase quantum gate and the second scheme is utilizing effects of nonlinear optics. Our experiment allows to verify the relation between correlations of the subsystems and the coherence of the composite system, which was given in terms of a conservation law for maximal accessible coherence by Svozil\\'ik \\emph{et al.} [Phys. Rev. Le","authors_text":"Anton\\'in \\v{C}ernoch, Jan Soubusta, Karel Lemr, Karol Bartkiewicz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-04T13:33:49Z","title":"Experimental tests of coherence and entanglement conservation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.01341","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:b1103bdc132f69abffc48c6eb059d6e76700ca928e656b896a12736eefa2bd46","target":"record","created_at":"2026-05-18T00:18:52Z","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":"5641118df354d5edda6327b3b7ddd656d68cc018c2075b62a64626ef27f67c2c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-04T13:33:49Z","title_canon_sha256":"00bfddf40ba201c8d14d2312cf1614349f20d485c3e9dd53ac2d8ee084bea39c"},"schema_version":"1.0","source":{"id":"1801.01341","kind":"arxiv","version":1}},"canonical_sha256":"31a7f46a6e5b1a6e516ccd4457b20ca34c52839412f4a46fc9cb516be0ce4e12","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"31a7f46a6e5b1a6e516ccd4457b20ca34c52839412f4a46fc9cb516be0ce4e12","first_computed_at":"2026-05-18T00:18:52.441994Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:18:52.441994Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9hstP7C2p/1eT+DuMYOTym+m7x+LI8IsERacpVkPRnoKB3kUdYpAQ3wbsWcWqWvmvZEEBYYXwKESH3BOyajGBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:18:52.442424Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.01341","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b1103bdc132f69abffc48c6eb059d6e76700ca928e656b896a12736eefa2bd46","sha256:a8829dda51b986dda1eea55b4f1332527c5532a59929802b78cef98d20b7d367"],"state_sha256":"1cdc43540d2dc1c6c696c8a8b5ddcf789ffbe97e27a0e76977ee126d1d88faf4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"71RsAu6YP0bKPx1fRfQJuG3mnrHB+tQYsHmx/GCtNethxdsWJktX9966nyszr6Eco2RB2PrNq+H2/tppVbs3DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T09:41:32.611056Z","bundle_sha256":"f050e8718059f75249c8472df9b189165425abe72863c7ac3314461e3a038f4e"}}