{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:A7W7LGKNBEWHG7FBNX62VC6FUO","short_pith_number":"pith:A7W7LGKN","canonical_record":{"source":{"id":"1009.1821","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-09-09T16:43:28Z","cross_cats_sorted":[],"title_canon_sha256":"bcea394da31d0762d88b952a618f648230211089e49e723987a45593fabf68d2","abstract_canon_sha256":"72492ee92c185f4c97617e002731c917e2753af2966381667fea04235c3bc528"},"schema_version":"1.0"},"canonical_sha256":"07edf5994d092c737ca16dfdaa8bc5a3a81e8a4cf6de8e2d6461ff32e6adb367","source":{"kind":"arxiv","id":"1009.1821","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.1821","created_at":"2026-05-18T04:33:06Z"},{"alias_kind":"arxiv_version","alias_value":"1009.1821v2","created_at":"2026-05-18T04:33:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.1821","created_at":"2026-05-18T04:33:06Z"},{"alias_kind":"pith_short_12","alias_value":"A7W7LGKNBEWH","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"A7W7LGKNBEWHG7FB","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"A7W7LGKN","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:A7W7LGKNBEWHG7FBNX62VC6FUO","target":"record","payload":{"canonical_record":{"source":{"id":"1009.1821","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-09-09T16:43:28Z","cross_cats_sorted":[],"title_canon_sha256":"bcea394da31d0762d88b952a618f648230211089e49e723987a45593fabf68d2","abstract_canon_sha256":"72492ee92c185f4c97617e002731c917e2753af2966381667fea04235c3bc528"},"schema_version":"1.0"},"canonical_sha256":"07edf5994d092c737ca16dfdaa8bc5a3a81e8a4cf6de8e2d6461ff32e6adb367","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:33:06.877874Z","signature_b64":"Cs04uAPEl8YElpYuzLdGqHORThKbDu9TWwZhgwgveuGp7pVp4Kf5kFnEzD7geCkPo90BQv8r6L/UOp4D2WxRCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"07edf5994d092c737ca16dfdaa8bc5a3a81e8a4cf6de8e2d6461ff32e6adb367","last_reissued_at":"2026-05-18T04:33:06.877216Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:33:06.877216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.1821","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":"2026-05-18T04:33:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"juxbAgJLN5CcnoEb07vkMS5sp0Hw7IA/8WqsHkF2ZOwELLH11AdxKMy0qClUnNyuAowrDKFt6vyziUZC1bp3Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T21:51:08.237356Z"},"content_sha256":"77ad15c61c18a465c616a2a6cad6fd38d7b7710cdc84578e3f7b974c7bd60e8c","schema_version":"1.0","event_id":"sha256:77ad15c61c18a465c616a2a6cad6fd38d7b7710cdc84578e3f7b974c7bd60e8c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:A7W7LGKNBEWHG7FBNX62VC6FUO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fast and optimal broad-band Stokes/Mueller polarimeter design by the use of a genetic algorithm","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Ingar Stian Nerb{\\o}, Lars Martin Sandvik Aas, Morten Kildemo, P{\\aa}l Gunnar Ellingsen, Paul Anton Letnes","submitted_at":"2010-09-09T16:43:28Z","abstract_excerpt":"A fast multichannel Stokes/Mueller polarimeter with no mechanically moving parts has been designed to have close to optimal performance from 430-2000 nm by applying a genetic algorithm. Stokes (Mueller) polarimeters are characterized by their ability to analyze the full Stokes (Mueller) vector (matrix) of the incident light. This ability is characterized by the condition number, $\\kappa$, which directly influences the measurement noise in polarimetric measurements. Due to the spectral dependence of the retardance in birefringent materials, it is not trivial to design a polarimeter using disper"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.1821","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":"2026-05-18T04:33:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lts7NXx8+9HgnLsE4bAjfzfRgESgWzQcYtk/JDiCS0zY4jVo0w/wBQhTpqKinh0ZUi+AKOwUnt07HHRdEr1rDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T21:51:08.237702Z"},"content_sha256":"edf1b05bc39e00fcc9ec9ebc5a1b42031a6a325b961eb953d902a92272345d7b","schema_version":"1.0","event_id":"sha256:edf1b05bc39e00fcc9ec9ebc5a1b42031a6a325b961eb953d902a92272345d7b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A7W7LGKNBEWHG7FBNX62VC6FUO/bundle.json","state_url":"https://pith.science/pith/A7W7LGKNBEWHG7FBNX62VC6FUO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A7W7LGKNBEWHG7FBNX62VC6FUO/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":"2026-06-26T21:51:08Z","links":{"resolver":"https://pith.science/pith/A7W7LGKNBEWHG7FBNX62VC6FUO","bundle":"https://pith.science/pith/A7W7LGKNBEWHG7FBNX62VC6FUO/bundle.json","state":"https://pith.science/pith/A7W7LGKNBEWHG7FBNX62VC6FUO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A7W7LGKNBEWHG7FBNX62VC6FUO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:A7W7LGKNBEWHG7FBNX62VC6FUO","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":"72492ee92c185f4c97617e002731c917e2753af2966381667fea04235c3bc528","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-09-09T16:43:28Z","title_canon_sha256":"bcea394da31d0762d88b952a618f648230211089e49e723987a45593fabf68d2"},"schema_version":"1.0","source":{"id":"1009.1821","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.1821","created_at":"2026-05-18T04:33:06Z"},{"alias_kind":"arxiv_version","alias_value":"1009.1821v2","created_at":"2026-05-18T04:33:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.1821","created_at":"2026-05-18T04:33:06Z"},{"alias_kind":"pith_short_12","alias_value":"A7W7LGKNBEWH","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"A7W7LGKNBEWHG7FB","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"A7W7LGKN","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:edf1b05bc39e00fcc9ec9ebc5a1b42031a6a325b961eb953d902a92272345d7b","target":"graph","created_at":"2026-05-18T04:33:06Z","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":"A fast multichannel Stokes/Mueller polarimeter with no mechanically moving parts has been designed to have close to optimal performance from 430-2000 nm by applying a genetic algorithm. Stokes (Mueller) polarimeters are characterized by their ability to analyze the full Stokes (Mueller) vector (matrix) of the incident light. This ability is characterized by the condition number, $\\kappa$, which directly influences the measurement noise in polarimetric measurements. Due to the spectral dependence of the retardance in birefringent materials, it is not trivial to design a polarimeter using disper","authors_text":"Ingar Stian Nerb{\\o}, Lars Martin Sandvik Aas, Morten Kildemo, P{\\aa}l Gunnar Ellingsen, Paul Anton Letnes","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-09-09T16:43:28Z","title":"Fast and optimal broad-band Stokes/Mueller polarimeter design by the use of a genetic algorithm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.1821","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":"sha256:77ad15c61c18a465c616a2a6cad6fd38d7b7710cdc84578e3f7b974c7bd60e8c","target":"record","created_at":"2026-05-18T04:33:06Z","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":"72492ee92c185f4c97617e002731c917e2753af2966381667fea04235c3bc528","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-09-09T16:43:28Z","title_canon_sha256":"bcea394da31d0762d88b952a618f648230211089e49e723987a45593fabf68d2"},"schema_version":"1.0","source":{"id":"1009.1821","kind":"arxiv","version":2}},"canonical_sha256":"07edf5994d092c737ca16dfdaa8bc5a3a81e8a4cf6de8e2d6461ff32e6adb367","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"07edf5994d092c737ca16dfdaa8bc5a3a81e8a4cf6de8e2d6461ff32e6adb367","first_computed_at":"2026-05-18T04:33:06.877216Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:33:06.877216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Cs04uAPEl8YElpYuzLdGqHORThKbDu9TWwZhgwgveuGp7pVp4Kf5kFnEzD7geCkPo90BQv8r6L/UOp4D2WxRCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:33:06.877874Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.1821","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:77ad15c61c18a465c616a2a6cad6fd38d7b7710cdc84578e3f7b974c7bd60e8c","sha256:edf1b05bc39e00fcc9ec9ebc5a1b42031a6a325b961eb953d902a92272345d7b"],"state_sha256":"4ad44bc7ecfe916bba94163175130a87e56913ea19b31437498fb8a01c531973"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xs8pUSN/saiu4waFbx1Rzwirlrv7XFLxA3az8FaQHP8vSX7Bu+snAc2MZramgwEU6FUVuhmTPf7OGhVeBh97Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T21:51:08.239550Z","bundle_sha256":"cf5b71a594e6d6aa3265bc081d1b972c3b2475bf1fdfcc26cbea33823f07d2f7"}}