{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:G4N5REUNGKBTX65VQ5Z44PNPLU","short_pith_number":"pith:G4N5REUN","canonical_record":{"source":{"id":"1102.5038","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-02-24T17:17:58Z","cross_cats_sorted":[],"title_canon_sha256":"bfb2e49d3bf121f64811eef16d2cf8b54cc6729fc7c655c9cae2fd8f6054cf8b","abstract_canon_sha256":"6c13a071be23faf91d06381c957a68375bf24350c01c9fa248e614681d7fc33b"},"schema_version":"1.0"},"canonical_sha256":"371bd8928d32833bfbb58773ce3daf5d2aaaa1eebd6b7308c0eafab1c5ebdbf7","source":{"kind":"arxiv","id":"1102.5038","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.5038","created_at":"2026-05-18T02:03:05Z"},{"alias_kind":"arxiv_version","alias_value":"1102.5038v2","created_at":"2026-05-18T02:03:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.5038","created_at":"2026-05-18T02:03:05Z"},{"alias_kind":"pith_short_12","alias_value":"G4N5REUNGKBT","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"G4N5REUNGKBTX65V","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"G4N5REUN","created_at":"2026-05-18T12:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:G4N5REUNGKBTX65VQ5Z44PNPLU","target":"record","payload":{"canonical_record":{"source":{"id":"1102.5038","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-02-24T17:17:58Z","cross_cats_sorted":[],"title_canon_sha256":"bfb2e49d3bf121f64811eef16d2cf8b54cc6729fc7c655c9cae2fd8f6054cf8b","abstract_canon_sha256":"6c13a071be23faf91d06381c957a68375bf24350c01c9fa248e614681d7fc33b"},"schema_version":"1.0"},"canonical_sha256":"371bd8928d32833bfbb58773ce3daf5d2aaaa1eebd6b7308c0eafab1c5ebdbf7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:05.370165Z","signature_b64":"+4Bk7kkF7q7mvyDHs6lBN2Vq8fVFoVzlwPgOvPigyyuz3jER9zgNaEqbrnvihhOjfoe2efWATu7INPMjncOCCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"371bd8928d32833bfbb58773ce3daf5d2aaaa1eebd6b7308c0eafab1c5ebdbf7","last_reissued_at":"2026-05-18T02:03:05.369451Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:05.369451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.5038","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":"2026-05-18T02:03:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nkWRceF+ipnUC63K3yUfZRiAuEQwGVcYwKZtyylq+gfjtoyQhfxZ9QNL+qmeptuVskoDWNJa+MaRXSSRZ9oMDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:24:33.670993Z"},"content_sha256":"06d3253f98f71721d4bb42e641e3c5f571170c884c5317da51644e65e53a4a94","schema_version":"1.0","event_id":"sha256:06d3253f98f71721d4bb42e641e3c5f571170c884c5317da51644e65e53a4a94"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:G4N5REUNGKBTX65VQ5Z44PNPLU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nicmos Polarimetry of \"Polar Scattered\" Seyfert 1 Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Robinson, D. Batcheldor, D. J. Axon, D. M. Alexander, J. E. Smith, J. Hough, S. Quinn, S. Young","submitted_at":"2011-02-24T17:17:58Z","abstract_excerpt":"The nuclei of Seyfert 1 galaxies exhibit a range of optical polarization characteristics that can be understood in terms of two scattering regions producing orthogonal polarizations: an extended polar scattering region (PSR) and a compact equatorial scattering region (ESR), located within the circum-nuclear torus. Here we present NICMOS 2.0 micron imaging polarimetry of 6 \"polar scattered\" Seyfert 1 (S1) galaxies, in which the PSR dominates the optical polarization. The unresolved nucleus (<0.58 arcsec) is significantly polarized in only three objects, but 5 of the 6 exhibit polarization in a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.5038","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":"2026-05-18T02:03:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6ZH5vsSt/grHJ0GzkHJuTc/jsC70oixtkDZyw4B2YA3QcpR+SNyeE+pqLIdHUTYOHZKUOTGVm+MHLAG++Nl8DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:24:33.671667Z"},"content_sha256":"209cef6c2338410c610c868a67b99db932a9db51aeddd51d872b3beaa8c92466","schema_version":"1.0","event_id":"sha256:209cef6c2338410c610c868a67b99db932a9db51aeddd51d872b3beaa8c92466"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G4N5REUNGKBTX65VQ5Z44PNPLU/bundle.json","state_url":"https://pith.science/pith/G4N5REUNGKBTX65VQ5Z44PNPLU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G4N5REUNGKBTX65VQ5Z44PNPLU/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":"2026-05-27T22:24:33Z","links":{"resolver":"https://pith.science/pith/G4N5REUNGKBTX65VQ5Z44PNPLU","bundle":"https://pith.science/pith/G4N5REUNGKBTX65VQ5Z44PNPLU/bundle.json","state":"https://pith.science/pith/G4N5REUNGKBTX65VQ5Z44PNPLU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G4N5REUNGKBTX65VQ5Z44PNPLU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:G4N5REUNGKBTX65VQ5Z44PNPLU","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":"6c13a071be23faf91d06381c957a68375bf24350c01c9fa248e614681d7fc33b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-02-24T17:17:58Z","title_canon_sha256":"bfb2e49d3bf121f64811eef16d2cf8b54cc6729fc7c655c9cae2fd8f6054cf8b"},"schema_version":"1.0","source":{"id":"1102.5038","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.5038","created_at":"2026-05-18T02:03:05Z"},{"alias_kind":"arxiv_version","alias_value":"1102.5038v2","created_at":"2026-05-18T02:03:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.5038","created_at":"2026-05-18T02:03:05Z"},{"alias_kind":"pith_short_12","alias_value":"G4N5REUNGKBT","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"G4N5REUNGKBTX65V","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"G4N5REUN","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:209cef6c2338410c610c868a67b99db932a9db51aeddd51d872b3beaa8c92466","target":"graph","created_at":"2026-05-18T02:03:05Z","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":"The nuclei of Seyfert 1 galaxies exhibit a range of optical polarization characteristics that can be understood in terms of two scattering regions producing orthogonal polarizations: an extended polar scattering region (PSR) and a compact equatorial scattering region (ESR), located within the circum-nuclear torus. Here we present NICMOS 2.0 micron imaging polarimetry of 6 \"polar scattered\" Seyfert 1 (S1) galaxies, in which the PSR dominates the optical polarization. The unresolved nucleus (<0.58 arcsec) is significantly polarized in only three objects, but 5 of the 6 exhibit polarization in a ","authors_text":"A. Robinson, D. Batcheldor, D. J. Axon, D. M. Alexander, J. E. Smith, J. Hough, S. Quinn, S. Young","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-02-24T17:17:58Z","title":"Nicmos Polarimetry of \"Polar Scattered\" Seyfert 1 Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.5038","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":"sha256:06d3253f98f71721d4bb42e641e3c5f571170c884c5317da51644e65e53a4a94","target":"record","created_at":"2026-05-18T02:03:05Z","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":"6c13a071be23faf91d06381c957a68375bf24350c01c9fa248e614681d7fc33b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-02-24T17:17:58Z","title_canon_sha256":"bfb2e49d3bf121f64811eef16d2cf8b54cc6729fc7c655c9cae2fd8f6054cf8b"},"schema_version":"1.0","source":{"id":"1102.5038","kind":"arxiv","version":2}},"canonical_sha256":"371bd8928d32833bfbb58773ce3daf5d2aaaa1eebd6b7308c0eafab1c5ebdbf7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"371bd8928d32833bfbb58773ce3daf5d2aaaa1eebd6b7308c0eafab1c5ebdbf7","first_computed_at":"2026-05-18T02:03:05.369451Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:05.369451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+4Bk7kkF7q7mvyDHs6lBN2Vq8fVFoVzlwPgOvPigyyuz3jER9zgNaEqbrnvihhOjfoe2efWATu7INPMjncOCCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:05.370165Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.5038","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:06d3253f98f71721d4bb42e641e3c5f571170c884c5317da51644e65e53a4a94","sha256:209cef6c2338410c610c868a67b99db932a9db51aeddd51d872b3beaa8c92466"],"state_sha256":"25b302a3ea36456eab3234291e96b582aa8310d89e9153853be960dcf6b7d0bf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VLFYfy/uqTmZKUfPEI4xy40vQ9685RoSSolgcgwp1oxS79/fbatBRS+hubfAy6oLhKETjvBCByTLqTaRUDdCCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T22:24:33.675151Z","bundle_sha256":"73f51585c966ca9539fe910af6d580344e3ca6cafef595a4c8ccae2cfdc2bae2"}}