{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:OC6MBFLBNXQTE34AUTSY2LOSUJ","short_pith_number":"pith:OC6MBFLB","canonical_record":{"source":{"id":"1001.0561","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-04T19:44:49Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"3fcf49dc88a9ca74bd7053dba34551403a2799ec50e63367e737ab86130f9a15","abstract_canon_sha256":"0b4c9bd2aed94b5693e0a5dab12ccc934ec1732f3c1e323d0a246c47d7463157"},"schema_version":"1.0"},"canonical_sha256":"70bcc095616de1326f80a4e58d2dd2a267a3fe80146b0d337d9b7f5954b0e71b","source":{"kind":"arxiv","id":"1001.0561","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.0561","created_at":"2026-05-18T02:10:05Z"},{"alias_kind":"arxiv_version","alias_value":"1001.0561v1","created_at":"2026-05-18T02:10:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.0561","created_at":"2026-05-18T02:10:05Z"},{"alias_kind":"pith_short_12","alias_value":"OC6MBFLBNXQT","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"OC6MBFLBNXQTE34A","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"OC6MBFLB","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:OC6MBFLBNXQTE34AUTSY2LOSUJ","target":"record","payload":{"canonical_record":{"source":{"id":"1001.0561","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-04T19:44:49Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"3fcf49dc88a9ca74bd7053dba34551403a2799ec50e63367e737ab86130f9a15","abstract_canon_sha256":"0b4c9bd2aed94b5693e0a5dab12ccc934ec1732f3c1e323d0a246c47d7463157"},"schema_version":"1.0"},"canonical_sha256":"70bcc095616de1326f80a4e58d2dd2a267a3fe80146b0d337d9b7f5954b0e71b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:10:05.259958Z","signature_b64":"aIqAUOzfHtcT3SSzyWGBnSili/u6/EK1oXr1oJ6SbYR+dm6DshdM1Xf8edV0s+Oeq8XYQUhVG8zqVRl9p3QhCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"70bcc095616de1326f80a4e58d2dd2a267a3fe80146b0d337d9b7f5954b0e71b","last_reissued_at":"2026-05-18T02:10:05.259272Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:10:05.259272Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.0561","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":"2026-05-18T02:10:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7dr6fZUnILRdlnmLjFq8dxRVrbbez2oIU5DaZLWT+S3RAzN9HxFYwkbjCKB6PFdlX1YPizzzp/FiI4xbfBe6AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T02:27:06.202795Z"},"content_sha256":"725e2f16291ba11ae13f84b074b6bddb0d7af02b47905d28236b822dd73c000f","schema_version":"1.0","event_id":"sha256:725e2f16291ba11ae13f84b074b6bddb0d7af02b47905d28236b822dd73c000f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:OC6MBFLBNXQTE34AUTSY2LOSUJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fabry-Perot versus slit spectropolarimetry of pores and active network. Analysis of IBIS and Hinode data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"A. de Wijn, A. Tritschler, G. Cauzzi, H. Uitenbroek, K. Reardon, P. G. Judge","submitted_at":"2010-01-04T19:44:49Z","abstract_excerpt":"We discuss spectropolarimetric measurements of photospheric (Fe I 630.25 nm) and chromospheric (Ca II 854.21 nm) spectral lines. Our long-term goal is to diagnose properties of the magnetic field near the base of the corona. We compare ground-based two-dimensional spectropolarimetric measurements with (almost) simultaneous space-based slit spectropolarimetry. The ground-based observations were obtained May 20, 2008, with IBIS in spectropolarimetric mode, The space observations were obtained with the Spectro-Polarimeter aboard the HINODE satellite. The agreement between the near-simultaneous co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.0561","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":"2026-05-18T02:10:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JuA+1SbBYCbDgmjN+L1um+8yDPRq6FkdaXRTNZuvZVBZqjNzsNIeNXuN3OHdwsDHUMH8SKsUGNJxr9XIXxaNCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T02:27:06.203142Z"},"content_sha256":"d70d573d7b28e1ab65e3bbf7cc52779d6b3460d8f6385698a976b6d306dadd18","schema_version":"1.0","event_id":"sha256:d70d573d7b28e1ab65e3bbf7cc52779d6b3460d8f6385698a976b6d306dadd18"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OC6MBFLBNXQTE34AUTSY2LOSUJ/bundle.json","state_url":"https://pith.science/pith/OC6MBFLBNXQTE34AUTSY2LOSUJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OC6MBFLBNXQTE34AUTSY2LOSUJ/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":"2026-06-24T02:27:06Z","links":{"resolver":"https://pith.science/pith/OC6MBFLBNXQTE34AUTSY2LOSUJ","bundle":"https://pith.science/pith/OC6MBFLBNXQTE34AUTSY2LOSUJ/bundle.json","state":"https://pith.science/pith/OC6MBFLBNXQTE34AUTSY2LOSUJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OC6MBFLBNXQTE34AUTSY2LOSUJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:OC6MBFLBNXQTE34AUTSY2LOSUJ","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":"0b4c9bd2aed94b5693e0a5dab12ccc934ec1732f3c1e323d0a246c47d7463157","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-04T19:44:49Z","title_canon_sha256":"3fcf49dc88a9ca74bd7053dba34551403a2799ec50e63367e737ab86130f9a15"},"schema_version":"1.0","source":{"id":"1001.0561","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.0561","created_at":"2026-05-18T02:10:05Z"},{"alias_kind":"arxiv_version","alias_value":"1001.0561v1","created_at":"2026-05-18T02:10:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.0561","created_at":"2026-05-18T02:10:05Z"},{"alias_kind":"pith_short_12","alias_value":"OC6MBFLBNXQT","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"OC6MBFLBNXQTE34A","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"OC6MBFLB","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:d70d573d7b28e1ab65e3bbf7cc52779d6b3460d8f6385698a976b6d306dadd18","target":"graph","created_at":"2026-05-18T02:10:05Z","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 discuss spectropolarimetric measurements of photospheric (Fe I 630.25 nm) and chromospheric (Ca II 854.21 nm) spectral lines. Our long-term goal is to diagnose properties of the magnetic field near the base of the corona. We compare ground-based two-dimensional spectropolarimetric measurements with (almost) simultaneous space-based slit spectropolarimetry. The ground-based observations were obtained May 20, 2008, with IBIS in spectropolarimetric mode, The space observations were obtained with the Spectro-Polarimeter aboard the HINODE satellite. The agreement between the near-simultaneous co","authors_text":"A. de Wijn, A. Tritschler, G. Cauzzi, H. Uitenbroek, K. Reardon, P. G. Judge","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-04T19:44:49Z","title":"Fabry-Perot versus slit spectropolarimetry of pores and active network. Analysis of IBIS and Hinode data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.0561","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":"sha256:725e2f16291ba11ae13f84b074b6bddb0d7af02b47905d28236b822dd73c000f","target":"record","created_at":"2026-05-18T02:10:05Z","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":"0b4c9bd2aed94b5693e0a5dab12ccc934ec1732f3c1e323d0a246c47d7463157","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-04T19:44:49Z","title_canon_sha256":"3fcf49dc88a9ca74bd7053dba34551403a2799ec50e63367e737ab86130f9a15"},"schema_version":"1.0","source":{"id":"1001.0561","kind":"arxiv","version":1}},"canonical_sha256":"70bcc095616de1326f80a4e58d2dd2a267a3fe80146b0d337d9b7f5954b0e71b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"70bcc095616de1326f80a4e58d2dd2a267a3fe80146b0d337d9b7f5954b0e71b","first_computed_at":"2026-05-18T02:10:05.259272Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:10:05.259272Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aIqAUOzfHtcT3SSzyWGBnSili/u6/EK1oXr1oJ6SbYR+dm6DshdM1Xf8edV0s+Oeq8XYQUhVG8zqVRl9p3QhCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:10:05.259958Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.0561","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:725e2f16291ba11ae13f84b074b6bddb0d7af02b47905d28236b822dd73c000f","sha256:d70d573d7b28e1ab65e3bbf7cc52779d6b3460d8f6385698a976b6d306dadd18"],"state_sha256":"db5962fafeb7fa03f71533d24ff10592cceec23705b827cc2d50b20535d1d2ea"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bXTLxx3eACimPfX9mg+gu83BQvnB7s7JKWQXGQFQJmNP+NwaeeQ9PUn6ZABKlC0CVawtLJCKFP4bcnnMZAC0Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T02:27:06.205087Z","bundle_sha256":"f3858b9cae255a1d7397281cc3e5b9f39f85e642afc310a3cfc12a1870219533"}}