{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:CFZE6PIO2L5VD2RLFUGRLSQ25P","short_pith_number":"pith:CFZE6PIO","canonical_record":{"source":{"id":"astro-ph/9704278","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-04-28T21:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"42f9011f90e2fd9ba659bf29c17063b79407ffaa5948de1dedbbf85f54e0e578","abstract_canon_sha256":"a661ccb5f0943e3969c46d462f16b41fb5e47231cba089d10c8e616460fc564a"},"schema_version":"1.0"},"canonical_sha256":"11724f3d0ed2fb51ea2b2d0d15ca1aebd817a9a7a5ae9a109c2f30a15c086f4a","source":{"kind":"arxiv","id":"astro-ph/9704278","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9704278","created_at":"2026-07-04T16:02:59Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9704278v1","created_at":"2026-07-04T16:02:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9704278","created_at":"2026-07-04T16:02:59Z"},{"alias_kind":"pith_short_12","alias_value":"CFZE6PIO2L5V","created_at":"2026-07-04T16:02:59Z"},{"alias_kind":"pith_short_16","alias_value":"CFZE6PIO2L5VD2RL","created_at":"2026-07-04T16:02:59Z"},{"alias_kind":"pith_short_8","alias_value":"CFZE6PIO","created_at":"2026-07-04T16:02:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:CFZE6PIO2L5VD2RLFUGRLSQ25P","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9704278","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-04-28T21:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"42f9011f90e2fd9ba659bf29c17063b79407ffaa5948de1dedbbf85f54e0e578","abstract_canon_sha256":"a661ccb5f0943e3969c46d462f16b41fb5e47231cba089d10c8e616460fc564a"},"schema_version":"1.0"},"canonical_sha256":"11724f3d0ed2fb51ea2b2d0d15ca1aebd817a9a7a5ae9a109c2f30a15c086f4a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:02:59.215365Z","signature_b64":"WGm/H3ZrEyo90ss3fVmUbW2EetJAh9/jtoqegoDJwMkecefH1ADJ9bbH8nhPGDkkhpCIMIwx3IVlYufFT+sqCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"11724f3d0ed2fb51ea2b2d0d15ca1aebd817a9a7a5ae9a109c2f30a15c086f4a","last_reissued_at":"2026-07-04T16:02:59.214945Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:02:59.214945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9704278","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":"2026-07-04T16:02:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cR+SP2dyLGDleGeToWgmT0u6ukQThCyVkQuFwkGee8mTJ7ICAmGBwUflDvHTz9IJGFfem+gRMQBCOHqMcZJqBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:07:17.320584Z"},"content_sha256":"625d88ecf2d1d6724aaa60c3363963f0f5f731931714210a8d5fbbb63bf15417","schema_version":"1.0","event_id":"sha256:625d88ecf2d1d6724aaa60c3363963f0f5f731931714210a8d5fbbb63bf15417"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:CFZE6PIO2L5VD2RLFUGRLSQ25P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gamma-Ray Burster Counterparts: HST Blue and Ultraviolet Data","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Bradley E. Schaefer, John Laros, Kevin Hurley, Thomas Cline","submitted_at":"1997-04-28T21:00:01Z","abstract_excerpt":"The surest solution of the Gamma Ray Burst (GRB) mystery is to find an unambiguous low-energy quiescent counterpart. However, to date no reasonable candidates have been identified in the x-ray, optical, infrared, or radio ranges. The Hubble Space Telescope (HST) has now allowed for the first deep ultraviolet searches for quiescent counterparts. This paper reports on multiepoch ultraviolet searches of five GRB positions with HST. We found no sources with significant ultraviolet excesses, variability, parallax, or proper motion in any of the burst error regions. In particular, we see no sources "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9704278","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/9704278/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":"2026-07-04T16:02:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ExT8PAx9B56/ab5mCirHWrcZzhtxqPx8WinFTjlRWwPlUq8Q8gKuGuHuzFKEc1J/WTgZqsPo0Gd70EoN7u5IBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:07:17.321073Z"},"content_sha256":"5b6ed08d5a12926c81346b637624ac7f0053323e13a71860f5949898ec4efa85","schema_version":"1.0","event_id":"sha256:5b6ed08d5a12926c81346b637624ac7f0053323e13a71860f5949898ec4efa85"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CFZE6PIO2L5VD2RLFUGRLSQ25P/bundle.json","state_url":"https://pith.science/pith/CFZE6PIO2L5VD2RLFUGRLSQ25P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CFZE6PIO2L5VD2RLFUGRLSQ25P/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":"2026-08-05T09:07:17Z","links":{"resolver":"https://pith.science/pith/CFZE6PIO2L5VD2RLFUGRLSQ25P","bundle":"https://pith.science/pith/CFZE6PIO2L5VD2RLFUGRLSQ25P/bundle.json","state":"https://pith.science/pith/CFZE6PIO2L5VD2RLFUGRLSQ25P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CFZE6PIO2L5VD2RLFUGRLSQ25P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:CFZE6PIO2L5VD2RLFUGRLSQ25P","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":"a661ccb5f0943e3969c46d462f16b41fb5e47231cba089d10c8e616460fc564a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-04-28T21:00:01Z","title_canon_sha256":"42f9011f90e2fd9ba659bf29c17063b79407ffaa5948de1dedbbf85f54e0e578"},"schema_version":"1.0","source":{"id":"astro-ph/9704278","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9704278","created_at":"2026-07-04T16:02:59Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9704278v1","created_at":"2026-07-04T16:02:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9704278","created_at":"2026-07-04T16:02:59Z"},{"alias_kind":"pith_short_12","alias_value":"CFZE6PIO2L5V","created_at":"2026-07-04T16:02:59Z"},{"alias_kind":"pith_short_16","alias_value":"CFZE6PIO2L5VD2RL","created_at":"2026-07-04T16:02:59Z"},{"alias_kind":"pith_short_8","alias_value":"CFZE6PIO","created_at":"2026-07-04T16:02:59Z"}],"graph_snapshots":[{"event_id":"sha256:5b6ed08d5a12926c81346b637624ac7f0053323e13a71860f5949898ec4efa85","target":"graph","created_at":"2026-07-04T16:02:59Z","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/9704278/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The surest solution of the Gamma Ray Burst (GRB) mystery is to find an unambiguous low-energy quiescent counterpart. However, to date no reasonable candidates have been identified in the x-ray, optical, infrared, or radio ranges. The Hubble Space Telescope (HST) has now allowed for the first deep ultraviolet searches for quiescent counterparts. This paper reports on multiepoch ultraviolet searches of five GRB positions with HST. We found no sources with significant ultraviolet excesses, variability, parallax, or proper motion in any of the burst error regions. In particular, we see no sources ","authors_text":"Bradley E. Schaefer, John Laros, Kevin Hurley, Thomas Cline","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1997-04-28T21:00:01Z","title":"Gamma-Ray Burster Counterparts: HST Blue and Ultraviolet Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9704278","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":"sha256:625d88ecf2d1d6724aaa60c3363963f0f5f731931714210a8d5fbbb63bf15417","target":"record","created_at":"2026-07-04T16:02:59Z","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":"a661ccb5f0943e3969c46d462f16b41fb5e47231cba089d10c8e616460fc564a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-04-28T21:00:01Z","title_canon_sha256":"42f9011f90e2fd9ba659bf29c17063b79407ffaa5948de1dedbbf85f54e0e578"},"schema_version":"1.0","source":{"id":"astro-ph/9704278","kind":"arxiv","version":1}},"canonical_sha256":"11724f3d0ed2fb51ea2b2d0d15ca1aebd817a9a7a5ae9a109c2f30a15c086f4a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"11724f3d0ed2fb51ea2b2d0d15ca1aebd817a9a7a5ae9a109c2f30a15c086f4a","first_computed_at":"2026-07-04T16:02:59.214945Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:02:59.214945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WGm/H3ZrEyo90ss3fVmUbW2EetJAh9/jtoqegoDJwMkecefH1ADJ9bbH8nhPGDkkhpCIMIwx3IVlYufFT+sqCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:02:59.215365Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9704278","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:625d88ecf2d1d6724aaa60c3363963f0f5f731931714210a8d5fbbb63bf15417","sha256:5b6ed08d5a12926c81346b637624ac7f0053323e13a71860f5949898ec4efa85"],"state_sha256":"0ac6b79053d178cdbde5ca0c0d378b44e69a015f92bce03768954be49157c127"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/0c3FfdvMXcUIEPp8IoSiT2PE4JG65P1hNf1eKabE2rsCb9ruusq4/xKh6HL540ri7de0QoRdsAbxGKtFuq9AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T09:07:17.324601Z","bundle_sha256":"aadcab969f1373384dc2e373cb93d7ddc9d7954ea76f2bb9289d85920e739617"}}