{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:F5GQRMO7VRF7APTCA6BKHVNK5G","short_pith_number":"pith:F5GQRMO7","canonical_record":{"source":{"id":"astro-ph/9810370","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1998-10-22T19:18:40Z","cross_cats_sorted":[],"title_canon_sha256":"8e6f493599541507f8da8d3cd4be62f57efaf549f1539080cd478a13f6514fc4","abstract_canon_sha256":"f24d394eda58a7cd97404e956e70856a1bc6a452972007927722dc3855d03e33"},"schema_version":"1.0"},"canonical_sha256":"2f4d08b1dfac4bf03e620782a3d5aae99c5a8288279025630cf30c97bebc450f","source":{"kind":"arxiv","id":"astro-ph/9810370","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9810370","created_at":"2026-07-04T16:07:08Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9810370v1","created_at":"2026-07-04T16:07:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9810370","created_at":"2026-07-04T16:07:08Z"},{"alias_kind":"pith_short_12","alias_value":"F5GQRMO7VRF7","created_at":"2026-07-04T16:07:08Z"},{"alias_kind":"pith_short_16","alias_value":"F5GQRMO7VRF7APTC","created_at":"2026-07-04T16:07:08Z"},{"alias_kind":"pith_short_8","alias_value":"F5GQRMO7","created_at":"2026-07-04T16:07:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:F5GQRMO7VRF7APTCA6BKHVNK5G","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9810370","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1998-10-22T19:18:40Z","cross_cats_sorted":[],"title_canon_sha256":"8e6f493599541507f8da8d3cd4be62f57efaf549f1539080cd478a13f6514fc4","abstract_canon_sha256":"f24d394eda58a7cd97404e956e70856a1bc6a452972007927722dc3855d03e33"},"schema_version":"1.0"},"canonical_sha256":"2f4d08b1dfac4bf03e620782a3d5aae99c5a8288279025630cf30c97bebc450f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:07:08.022335Z","signature_b64":"zxernYbZnWYkECEezyC/rV+ODFslBwYhwUetoe3xhnjJ+uONsCBhMDFndqTxDH6zuD3kP2CgVncpDNMbJSrRDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f4d08b1dfac4bf03e620782a3d5aae99c5a8288279025630cf30c97bebc450f","last_reissued_at":"2026-07-04T16:07:08.021841Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:07:08.021841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9810370","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":"2026-07-04T16:07:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SQQqnQPAgeyazMI7xmAErNaPOknKFJaCZPfLELT7vZtr4TmbWAW+u5aOWRUvLgkYbmedso14ZrK17FZbIzpkBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T11:16:13.401692Z"},"content_sha256":"2dd5f66a35ec07249fffe359168388565aab88122dac31f96c16caa4a7a2d4d9","schema_version":"1.0","event_id":"sha256:2dd5f66a35ec07249fffe359168388565aab88122dac31f96c16caa4a7a2d4d9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:F5GQRMO7VRF7APTCA6BKHVNK5G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"HST Imaging Polarimetry of the Gravitational Lens FSC10214+4724","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"B. T. Soifer, David W. Hogg, G. Neugebauer, Hien T. Nguyen, Lee Armus, Michael W. Werner, Peter R. Eisenhardt, Robert Goodrich","submitted_at":"1998-10-22T19:18:40Z","abstract_excerpt":"We present imaging polarimetry of the extremely luminous, redshift 2.3 IRAS source FSC10214+4724. The observations were obtained with HST's Faint Object Camera in the F437M filter, which is free of strong emission lines. The 0.7 arcsec long arc is unresolved to 0.04 arcsec FWHM in the transverse direction, and has an integrated polarization of 28 +/- 3 percent, in good agreement with ground-based observations. The polarization position angle varies along the arc by up to 35 deg. The overall position angle is 62 +/- 3 deg east of north. No counterimage is detected to B = 27.5 mag ($3\\sigma$), g"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9810370","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/astro-ph/9810370/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":"2026-07-04T16:07:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zoc9zkugudR+jqhUC9TK5IpX8EsFcEtiEgaY50MZSky6dPaTLG4T09REIJ7Y0V8Er7lBrF5ScjdJbItw9QzBBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T11:16:13.405026Z"},"content_sha256":"f89224856e4fe713261c6475cad0dc9f8fde5a5292f1340ee548e9b58b48641a","schema_version":"1.0","event_id":"sha256:f89224856e4fe713261c6475cad0dc9f8fde5a5292f1340ee548e9b58b48641a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F5GQRMO7VRF7APTCA6BKHVNK5G/bundle.json","state_url":"https://pith.science/pith/F5GQRMO7VRF7APTCA6BKHVNK5G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F5GQRMO7VRF7APTCA6BKHVNK5G/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":"2026-08-05T11:16:13Z","links":{"resolver":"https://pith.science/pith/F5GQRMO7VRF7APTCA6BKHVNK5G","bundle":"https://pith.science/pith/F5GQRMO7VRF7APTCA6BKHVNK5G/bundle.json","state":"https://pith.science/pith/F5GQRMO7VRF7APTCA6BKHVNK5G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F5GQRMO7VRF7APTCA6BKHVNK5G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:F5GQRMO7VRF7APTCA6BKHVNK5G","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":"f24d394eda58a7cd97404e956e70856a1bc6a452972007927722dc3855d03e33","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-10-22T19:18:40Z","title_canon_sha256":"8e6f493599541507f8da8d3cd4be62f57efaf549f1539080cd478a13f6514fc4"},"schema_version":"1.0","source":{"id":"astro-ph/9810370","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9810370","created_at":"2026-07-04T16:07:08Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9810370v1","created_at":"2026-07-04T16:07:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9810370","created_at":"2026-07-04T16:07:08Z"},{"alias_kind":"pith_short_12","alias_value":"F5GQRMO7VRF7","created_at":"2026-07-04T16:07:08Z"},{"alias_kind":"pith_short_16","alias_value":"F5GQRMO7VRF7APTC","created_at":"2026-07-04T16:07:08Z"},{"alias_kind":"pith_short_8","alias_value":"F5GQRMO7","created_at":"2026-07-04T16:07:08Z"}],"graph_snapshots":[{"event_id":"sha256:f89224856e4fe713261c6475cad0dc9f8fde5a5292f1340ee548e9b58b48641a","target":"graph","created_at":"2026-07-04T16:07:08Z","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/astro-ph/9810370/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present imaging polarimetry of the extremely luminous, redshift 2.3 IRAS source FSC10214+4724. The observations were obtained with HST's Faint Object Camera in the F437M filter, which is free of strong emission lines. The 0.7 arcsec long arc is unresolved to 0.04 arcsec FWHM in the transverse direction, and has an integrated polarization of 28 +/- 3 percent, in good agreement with ground-based observations. The polarization position angle varies along the arc by up to 35 deg. The overall position angle is 62 +/- 3 deg east of north. No counterimage is detected to B = 27.5 mag ($3\\sigma$), g","authors_text":"B. T. Soifer, David W. Hogg, G. Neugebauer, Hien T. Nguyen, Lee Armus, Michael W. Werner, Peter R. Eisenhardt, Robert Goodrich","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1998-10-22T19:18:40Z","title":"HST Imaging Polarimetry of the Gravitational Lens FSC10214+4724"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9810370","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":"sha256:2dd5f66a35ec07249fffe359168388565aab88122dac31f96c16caa4a7a2d4d9","target":"record","created_at":"2026-07-04T16:07:08Z","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":"f24d394eda58a7cd97404e956e70856a1bc6a452972007927722dc3855d03e33","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-10-22T19:18:40Z","title_canon_sha256":"8e6f493599541507f8da8d3cd4be62f57efaf549f1539080cd478a13f6514fc4"},"schema_version":"1.0","source":{"id":"astro-ph/9810370","kind":"arxiv","version":1}},"canonical_sha256":"2f4d08b1dfac4bf03e620782a3d5aae99c5a8288279025630cf30c97bebc450f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2f4d08b1dfac4bf03e620782a3d5aae99c5a8288279025630cf30c97bebc450f","first_computed_at":"2026-07-04T16:07:08.021841Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:07:08.021841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zxernYbZnWYkECEezyC/rV+ODFslBwYhwUetoe3xhnjJ+uONsCBhMDFndqTxDH6zuD3kP2CgVncpDNMbJSrRDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:07:08.022335Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9810370","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2dd5f66a35ec07249fffe359168388565aab88122dac31f96c16caa4a7a2d4d9","sha256:f89224856e4fe713261c6475cad0dc9f8fde5a5292f1340ee548e9b58b48641a"],"state_sha256":"9d547d68ee61af343eea098f5a7fbb37e9cece042bffd09dc4a3cf8e1475aad0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+LZjEbjhhwdZ7YDYxF+06Z36TqJbK40zKs6x1wu2gBSsWPbUBmQ16GYSLft8Yl4sYpwliL6Q6SEJ8rY/DZS0Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T11:16:13.415685Z","bundle_sha256":"434b59079fdb8724de1e1d2c4a1924b9576254c21b4597f08d02a47316fc2cee"}}