{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:YEFY2CR2OEQORRY2NB4IZSEUIB","short_pith_number":"pith:YEFY2CR2","canonical_record":{"source":{"id":"2207.14511","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-07-29T07:14:53Z","cross_cats_sorted":[],"title_canon_sha256":"c275c6a9ba58bd0ecfeb9f380842196c1b0d36cb392a9d463c0b40019bddad70","abstract_canon_sha256":"9976ad3663b2ac3b4a0869aaffb8dc0f9296a9f83ba66a858e31b39e238c40cb"},"schema_version":"1.0"},"canonical_sha256":"c10b8d0a3a7120e8c71a68788cc8944063eb6db2691ca6d05cbee68a49f7fa20","source":{"kind":"arxiv","id":"2207.14511","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.14511","created_at":"2026-07-05T04:44:35Z"},{"alias_kind":"arxiv_version","alias_value":"2207.14511v1","created_at":"2026-07-05T04:44:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.14511","created_at":"2026-07-05T04:44:35Z"},{"alias_kind":"pith_short_12","alias_value":"YEFY2CR2OEQO","created_at":"2026-07-05T04:44:35Z"},{"alias_kind":"pith_short_16","alias_value":"YEFY2CR2OEQORRY2","created_at":"2026-07-05T04:44:35Z"},{"alias_kind":"pith_short_8","alias_value":"YEFY2CR2","created_at":"2026-07-05T04:44:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:YEFY2CR2OEQORRY2NB4IZSEUIB","target":"record","payload":{"canonical_record":{"source":{"id":"2207.14511","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-07-29T07:14:53Z","cross_cats_sorted":[],"title_canon_sha256":"c275c6a9ba58bd0ecfeb9f380842196c1b0d36cb392a9d463c0b40019bddad70","abstract_canon_sha256":"9976ad3663b2ac3b4a0869aaffb8dc0f9296a9f83ba66a858e31b39e238c40cb"},"schema_version":"1.0"},"canonical_sha256":"c10b8d0a3a7120e8c71a68788cc8944063eb6db2691ca6d05cbee68a49f7fa20","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:44:35.083395Z","signature_b64":"0uvyCdkgib76N+s4iDnjBPrG28DsFdomndIgtXHJ7Iz5TOa9essNRUcu0KTpOh2SXeF3BQxqrNtQWdCXFKG/Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c10b8d0a3a7120e8c71a68788cc8944063eb6db2691ca6d05cbee68a49f7fa20","last_reissued_at":"2026-07-05T04:44:35.083025Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:44:35.083025Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.14511","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":"2026-07-05T04:44:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3GbS4yM7KeJLQHv2RLJfya6kczRKOR3/h5M7hKQISIlY832HEpC/LpCH6VNgmFQVtOFJ0XIV9nNRBsAQHQffBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T13:25:03.397906Z"},"content_sha256":"13fe4ad2a61d6ac3cdb96d31e8f0c34b35c83a038dad0864285df08e77d4da21","schema_version":"1.0","event_id":"sha256:13fe4ad2a61d6ac3cdb96d31e8f0c34b35c83a038dad0864285df08e77d4da21"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:YEFY2CR2OEQORRY2NB4IZSEUIB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Near-IR and visual high resolution polarimetric imaging with AO systems","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"H.M. Schmid (ETH Zurich, Switzerland)","submitted_at":"2022-07-29T07:14:53Z","abstract_excerpt":"Many spectacular polarimetric images have been obtained in recent years with adaptive optics (AO) instruments at large telescopes because they profit significantly from the high spatial resolution. This paper summarizes some basic principles for AO polarimetry, discusses challenges and limitations of these systems, and describes results which illustrate the performance of AO polarimeters for the investigation of circumstellar disks, of dusty winds from evolved stars, and for the search of reflecting extra-solar planets."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.14511","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2207.14511/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:44:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q6s/T5qkcwr/j7nDyJNC8wLkX6rBsCvdb31oSp7jPc3SXbRIIsUY60rjkJqZVlkrl9G2biRbZKSLK8eLG9gpCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T13:25:03.398234Z"},"content_sha256":"3beea05220994dde7b6140fc7bc786415c89b1be6050c88bacb1ed43c6ae073d","schema_version":"1.0","event_id":"sha256:3beea05220994dde7b6140fc7bc786415c89b1be6050c88bacb1ed43c6ae073d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YEFY2CR2OEQORRY2NB4IZSEUIB/bundle.json","state_url":"https://pith.science/pith/YEFY2CR2OEQORRY2NB4IZSEUIB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YEFY2CR2OEQORRY2NB4IZSEUIB/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":"2026-08-22T13:25:03Z","links":{"resolver":"https://pith.science/pith/YEFY2CR2OEQORRY2NB4IZSEUIB","bundle":"https://pith.science/pith/YEFY2CR2OEQORRY2NB4IZSEUIB/bundle.json","state":"https://pith.science/pith/YEFY2CR2OEQORRY2NB4IZSEUIB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YEFY2CR2OEQORRY2NB4IZSEUIB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:YEFY2CR2OEQORRY2NB4IZSEUIB","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":"9976ad3663b2ac3b4a0869aaffb8dc0f9296a9f83ba66a858e31b39e238c40cb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-07-29T07:14:53Z","title_canon_sha256":"c275c6a9ba58bd0ecfeb9f380842196c1b0d36cb392a9d463c0b40019bddad70"},"schema_version":"1.0","source":{"id":"2207.14511","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.14511","created_at":"2026-07-05T04:44:35Z"},{"alias_kind":"arxiv_version","alias_value":"2207.14511v1","created_at":"2026-07-05T04:44:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.14511","created_at":"2026-07-05T04:44:35Z"},{"alias_kind":"pith_short_12","alias_value":"YEFY2CR2OEQO","created_at":"2026-07-05T04:44:35Z"},{"alias_kind":"pith_short_16","alias_value":"YEFY2CR2OEQORRY2","created_at":"2026-07-05T04:44:35Z"},{"alias_kind":"pith_short_8","alias_value":"YEFY2CR2","created_at":"2026-07-05T04:44:35Z"}],"graph_snapshots":[{"event_id":"sha256:3beea05220994dde7b6140fc7bc786415c89b1be6050c88bacb1ed43c6ae073d","target":"graph","created_at":"2026-07-05T04:44:35Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2207.14511/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Many spectacular polarimetric images have been obtained in recent years with adaptive optics (AO) instruments at large telescopes because they profit significantly from the high spatial resolution. This paper summarizes some basic principles for AO polarimetry, discusses challenges and limitations of these systems, and describes results which illustrate the performance of AO polarimeters for the investigation of circumstellar disks, of dusty winds from evolved stars, and for the search of reflecting extra-solar planets.","authors_text":"H.M. Schmid (ETH Zurich, Switzerland)","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-07-29T07:14:53Z","title":"Near-IR and visual high resolution polarimetric imaging with AO systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.14511","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":"sha256:13fe4ad2a61d6ac3cdb96d31e8f0c34b35c83a038dad0864285df08e77d4da21","target":"record","created_at":"2026-07-05T04:44:35Z","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":"9976ad3663b2ac3b4a0869aaffb8dc0f9296a9f83ba66a858e31b39e238c40cb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-07-29T07:14:53Z","title_canon_sha256":"c275c6a9ba58bd0ecfeb9f380842196c1b0d36cb392a9d463c0b40019bddad70"},"schema_version":"1.0","source":{"id":"2207.14511","kind":"arxiv","version":1}},"canonical_sha256":"c10b8d0a3a7120e8c71a68788cc8944063eb6db2691ca6d05cbee68a49f7fa20","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c10b8d0a3a7120e8c71a68788cc8944063eb6db2691ca6d05cbee68a49f7fa20","first_computed_at":"2026-07-05T04:44:35.083025Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:44:35.083025Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0uvyCdkgib76N+s4iDnjBPrG28DsFdomndIgtXHJ7Iz5TOa9essNRUcu0KTpOh2SXeF3BQxqrNtQWdCXFKG/Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:44:35.083395Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.14511","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:13fe4ad2a61d6ac3cdb96d31e8f0c34b35c83a038dad0864285df08e77d4da21","sha256:3beea05220994dde7b6140fc7bc786415c89b1be6050c88bacb1ed43c6ae073d"],"state_sha256":"328cda781a1e52c1e0883f579a44a0a28b63aca6acc89d59ea3a63b12f437acb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qG25guTvB+EZcmaP9b3bPkI2MQi6wzsj5tLkrQFJhuW1ZB+W013Evqjvo5vRz39poci6a8+Ct/LUOxIF8sG5Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T13:25:03.401375Z","bundle_sha256":"548e4af93a233da4de9b8eeb93a1d4cada8f33197727da1d3b6931f592eed3bd"}}