{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:PANGOO5HFYHNDWX6W4CL2YJPVV","short_pith_number":"pith:PANGOO5H","canonical_record":{"source":{"id":"1206.4018","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-18T19:17:01Z","cross_cats_sorted":[],"title_canon_sha256":"bb992b10a0fffb3bd7161200a8ed1fdac407c827e9591bcb7182748ab8989bec","abstract_canon_sha256":"95d2e97abe217d4b2173a5ba975f82013bf7193fe9214d3cc3be3f9bec14fd1d"},"schema_version":"1.0"},"canonical_sha256":"781a673ba72e0ed1dafeb704bd612fad41c7e2f27457c3c23ccf3797198690b7","source":{"kind":"arxiv","id":"1206.4018","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.4018","created_at":"2026-05-18T01:56:51Z"},{"alias_kind":"arxiv_version","alias_value":"1206.4018v1","created_at":"2026-05-18T01:56:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.4018","created_at":"2026-05-18T01:56:51Z"},{"alias_kind":"pith_short_12","alias_value":"PANGOO5HFYHN","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"PANGOO5HFYHNDWX6","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"PANGOO5H","created_at":"2026-05-18T12:27:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:PANGOO5HFYHNDWX6W4CL2YJPVV","target":"record","payload":{"canonical_record":{"source":{"id":"1206.4018","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-18T19:17:01Z","cross_cats_sorted":[],"title_canon_sha256":"bb992b10a0fffb3bd7161200a8ed1fdac407c827e9591bcb7182748ab8989bec","abstract_canon_sha256":"95d2e97abe217d4b2173a5ba975f82013bf7193fe9214d3cc3be3f9bec14fd1d"},"schema_version":"1.0"},"canonical_sha256":"781a673ba72e0ed1dafeb704bd612fad41c7e2f27457c3c23ccf3797198690b7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:51.474273Z","signature_b64":"lUy5bLoMxD+qpqR6N7rDSWpCc8R72LqMI37ayWDX2lJ1DmkWPuDrwIIm5WPY7va5Gv/qvaiTuBzUxmfjJqyIAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"781a673ba72e0ed1dafeb704bd612fad41c7e2f27457c3c23ccf3797198690b7","last_reissued_at":"2026-05-18T01:56:51.473682Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:51.473682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.4018","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":"2026-05-18T01:56:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SabcLsJ7soYIVzbrzKpj3VhHlhUDOiccs60xrWYVSqzzWzenbM1A3/WmhKUJ51M4bfXEmldkKiFenGV4WuZjDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:02:26.354097Z"},"content_sha256":"409fd3ad7a7d6599e6f2776ac370c7a96422d441ac174d7465a831f00d61acd7","schema_version":"1.0","event_id":"sha256:409fd3ad7a7d6599e6f2776ac370c7a96422d441ac174d7465a831f00d61acd7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:PANGOO5HFYHNDWX6W4CL2YJPVV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum polarization transformations in anisotropic dispersive medium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. A. Kalinkin, E. V. Moreva, S. P. Kulik, V. A. Shershulin, Yu. I. Bogdanov","submitted_at":"2012-06-18T19:17:01Z","abstract_excerpt":"Based on the concept of chi-matrix and Choi-Jamiolkowski states we develop the approach of quantum process reconstruction. Special attention is paid to the adequacy of applied reconstruction models. The approach is applied to the statistical reconstruction of the polarization transformations in anisotropic and dispersive media realized by means of quartz plates and taking into account spectral shape of input states."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.4018","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":"2026-05-18T01:56:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F3IwzBGXAKSvCknfdZrCplSQkJYI0JJ7uJY+wd2CWWHKXItGPX8kWePoWDvDVUaWhX1B3j0/hONXq6Ebc/LpDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:02:26.354675Z"},"content_sha256":"a118f7577edc39dfdf19336aba75a2f2e4f1ed602d665a18ea3fdabc0ab5078f","schema_version":"1.0","event_id":"sha256:a118f7577edc39dfdf19336aba75a2f2e4f1ed602d665a18ea3fdabc0ab5078f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PANGOO5HFYHNDWX6W4CL2YJPVV/bundle.json","state_url":"https://pith.science/pith/PANGOO5HFYHNDWX6W4CL2YJPVV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PANGOO5HFYHNDWX6W4CL2YJPVV/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":"2026-05-27T10:02:26Z","links":{"resolver":"https://pith.science/pith/PANGOO5HFYHNDWX6W4CL2YJPVV","bundle":"https://pith.science/pith/PANGOO5HFYHNDWX6W4CL2YJPVV/bundle.json","state":"https://pith.science/pith/PANGOO5HFYHNDWX6W4CL2YJPVV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PANGOO5HFYHNDWX6W4CL2YJPVV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:PANGOO5HFYHNDWX6W4CL2YJPVV","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":"95d2e97abe217d4b2173a5ba975f82013bf7193fe9214d3cc3be3f9bec14fd1d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-18T19:17:01Z","title_canon_sha256":"bb992b10a0fffb3bd7161200a8ed1fdac407c827e9591bcb7182748ab8989bec"},"schema_version":"1.0","source":{"id":"1206.4018","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.4018","created_at":"2026-05-18T01:56:51Z"},{"alias_kind":"arxiv_version","alias_value":"1206.4018v1","created_at":"2026-05-18T01:56:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.4018","created_at":"2026-05-18T01:56:51Z"},{"alias_kind":"pith_short_12","alias_value":"PANGOO5HFYHN","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"PANGOO5HFYHNDWX6","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"PANGOO5H","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:a118f7577edc39dfdf19336aba75a2f2e4f1ed602d665a18ea3fdabc0ab5078f","target":"graph","created_at":"2026-05-18T01:56:51Z","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":"Based on the concept of chi-matrix and Choi-Jamiolkowski states we develop the approach of quantum process reconstruction. Special attention is paid to the adequacy of applied reconstruction models. The approach is applied to the statistical reconstruction of the polarization transformations in anisotropic and dispersive media realized by means of quartz plates and taking into account spectral shape of input states.","authors_text":"A. A. Kalinkin, E. V. Moreva, S. P. Kulik, V. A. Shershulin, Yu. I. Bogdanov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-18T19:17:01Z","title":"Quantum polarization transformations in anisotropic dispersive medium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.4018","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":"sha256:409fd3ad7a7d6599e6f2776ac370c7a96422d441ac174d7465a831f00d61acd7","target":"record","created_at":"2026-05-18T01:56:51Z","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":"95d2e97abe217d4b2173a5ba975f82013bf7193fe9214d3cc3be3f9bec14fd1d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-18T19:17:01Z","title_canon_sha256":"bb992b10a0fffb3bd7161200a8ed1fdac407c827e9591bcb7182748ab8989bec"},"schema_version":"1.0","source":{"id":"1206.4018","kind":"arxiv","version":1}},"canonical_sha256":"781a673ba72e0ed1dafeb704bd612fad41c7e2f27457c3c23ccf3797198690b7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"781a673ba72e0ed1dafeb704bd612fad41c7e2f27457c3c23ccf3797198690b7","first_computed_at":"2026-05-18T01:56:51.473682Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:56:51.473682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lUy5bLoMxD+qpqR6N7rDSWpCc8R72LqMI37ayWDX2lJ1DmkWPuDrwIIm5WPY7va5Gv/qvaiTuBzUxmfjJqyIAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:56:51.474273Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.4018","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:409fd3ad7a7d6599e6f2776ac370c7a96422d441ac174d7465a831f00d61acd7","sha256:a118f7577edc39dfdf19336aba75a2f2e4f1ed602d665a18ea3fdabc0ab5078f"],"state_sha256":"012c499b688ce11de087c8430db034a25afdd185bd93d538d30f688f580be426"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bTWXrdUyiHMKI4yQ5t8FtOndT5PunMmn9FAxoKVqjqiXGUxuGOeDFv2K0e0w7rK39sCHZ5SWrEqyXcxmWd+VAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T10:02:26.358303Z","bundle_sha256":"059b99814fbcb2a8adf20835e47c720c082886ea5c2d3cb9b652932e8a1d9778"}}