{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:ZQQWBUCZ5UY6ABM6ZTNUCLFQUC","short_pith_number":"pith:ZQQWBUCZ","canonical_record":{"source":{"id":"1303.2908","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-12T15:12:40Z","cross_cats_sorted":[],"title_canon_sha256":"95fd28f42131d49a6673f91e578d09b9cad8138fb6c4e3788c64667ca4b01bb5","abstract_canon_sha256":"d8c41c936293998f82b36813097902b3b649cede6f1a3ea9b412a4d4b06b89b3"},"schema_version":"1.0"},"canonical_sha256":"cc2160d059ed31e0059eccdb412cb0a0af825c0de66bc02de455d9d2b1f4c88c","source":{"kind":"arxiv","id":"1303.2908","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.2908","created_at":"2026-05-18T01:51:08Z"},{"alias_kind":"arxiv_version","alias_value":"1303.2908v1","created_at":"2026-05-18T01:51:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.2908","created_at":"2026-05-18T01:51:08Z"},{"alias_kind":"pith_short_12","alias_value":"ZQQWBUCZ5UY6","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"ZQQWBUCZ5UY6ABM6","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"ZQQWBUCZ","created_at":"2026-05-18T12:28:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:ZQQWBUCZ5UY6ABM6ZTNUCLFQUC","target":"record","payload":{"canonical_record":{"source":{"id":"1303.2908","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-12T15:12:40Z","cross_cats_sorted":[],"title_canon_sha256":"95fd28f42131d49a6673f91e578d09b9cad8138fb6c4e3788c64667ca4b01bb5","abstract_canon_sha256":"d8c41c936293998f82b36813097902b3b649cede6f1a3ea9b412a4d4b06b89b3"},"schema_version":"1.0"},"canonical_sha256":"cc2160d059ed31e0059eccdb412cb0a0af825c0de66bc02de455d9d2b1f4c88c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:08.193548Z","signature_b64":"iPQf2GdOPZnpxrg8FWKmm8cqjGX4ggRqYRTX6GHrnC8U653++iu589rfBKr4yuX2SFkdpuQt8ZvNmyihUDaKCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cc2160d059ed31e0059eccdb412cb0a0af825c0de66bc02de455d9d2b1f4c88c","last_reissued_at":"2026-05-18T01:51:08.192970Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:08.192970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.2908","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":"2026-05-18T01:51:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DzRawt9CzmrZr7D/Kasu3q921AD7+81BC7R6/RMURH0KtzIJE85lZwGadp6CKBlftO+juvugcnjoibUjiP9UCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T22:06:18.837634Z"},"content_sha256":"db098c8e2e9d6f6c869c18777757f9f7611231266ce93f74cbbeb83fcbc9f706","schema_version":"1.0","event_id":"sha256:db098c8e2e9d6f6c869c18777757f9f7611231266ce93f74cbbeb83fcbc9f706"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:ZQQWBUCZ5UY6ABM6ZTNUCLFQUC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The First Fermi LAT Gamma-Ray Burst Catalog","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Fermi-LAT Collaboration","submitted_at":"2013-03-12T15:12:40Z","abstract_excerpt":"In three years of observations since the beginning of nominal science operations in August 2008, the Large Area Telescope (LAT) on board the Fermi Gamma Ray Space Telescope has observed high-energy (>20 MeV) \\gamma-ray emission from 35 gamma-ray bursts (GRBs). Among these, 28 GRBs have been detected above 100 MeV and 7 GRBs above ~ 20 MeV. The first Fermi-LAT catalog of GRBs is a compilation of these detections and provides a systematic study of high-energy emission from GRBs for the first time. To generate the catalog, we examined 733 GRBs detected by the Gamma-Ray Burst Monitor (GBM) on Ferm"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.2908","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":"2026-05-18T01:51:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VM8ZoyMLmiPrX2GF3yLkAld1V84IWg2Fnd+yK0ykL0Rvcj+Ylry8i6gv7jjS9Q3MYXl6ZqlblTVwOXup/Nz+Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T22:06:18.838186Z"},"content_sha256":"7159f6f88de79918d18a79906cd774de3dea2e6738beeb520100c2a53ccbda26","schema_version":"1.0","event_id":"sha256:7159f6f88de79918d18a79906cd774de3dea2e6738beeb520100c2a53ccbda26"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZQQWBUCZ5UY6ABM6ZTNUCLFQUC/bundle.json","state_url":"https://pith.science/pith/ZQQWBUCZ5UY6ABM6ZTNUCLFQUC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZQQWBUCZ5UY6ABM6ZTNUCLFQUC/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":"2026-06-02T22:06:18Z","links":{"resolver":"https://pith.science/pith/ZQQWBUCZ5UY6ABM6ZTNUCLFQUC","bundle":"https://pith.science/pith/ZQQWBUCZ5UY6ABM6ZTNUCLFQUC/bundle.json","state":"https://pith.science/pith/ZQQWBUCZ5UY6ABM6ZTNUCLFQUC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZQQWBUCZ5UY6ABM6ZTNUCLFQUC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:ZQQWBUCZ5UY6ABM6ZTNUCLFQUC","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":"d8c41c936293998f82b36813097902b3b649cede6f1a3ea9b412a4d4b06b89b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-12T15:12:40Z","title_canon_sha256":"95fd28f42131d49a6673f91e578d09b9cad8138fb6c4e3788c64667ca4b01bb5"},"schema_version":"1.0","source":{"id":"1303.2908","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.2908","created_at":"2026-05-18T01:51:08Z"},{"alias_kind":"arxiv_version","alias_value":"1303.2908v1","created_at":"2026-05-18T01:51:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.2908","created_at":"2026-05-18T01:51:08Z"},{"alias_kind":"pith_short_12","alias_value":"ZQQWBUCZ5UY6","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"ZQQWBUCZ5UY6ABM6","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"ZQQWBUCZ","created_at":"2026-05-18T12:28:09Z"}],"graph_snapshots":[{"event_id":"sha256:7159f6f88de79918d18a79906cd774de3dea2e6738beeb520100c2a53ccbda26","target":"graph","created_at":"2026-05-18T01:51:08Z","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"},"paper":{"abstract_excerpt":"In three years of observations since the beginning of nominal science operations in August 2008, the Large Area Telescope (LAT) on board the Fermi Gamma Ray Space Telescope has observed high-energy (>20 MeV) \\gamma-ray emission from 35 gamma-ray bursts (GRBs). Among these, 28 GRBs have been detected above 100 MeV and 7 GRBs above ~ 20 MeV. The first Fermi-LAT catalog of GRBs is a compilation of these detections and provides a systematic study of high-energy emission from GRBs for the first time. To generate the catalog, we examined 733 GRBs detected by the Gamma-Ray Burst Monitor (GBM) on Ferm","authors_text":"Fermi-LAT Collaboration","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-12T15:12:40Z","title":"The First Fermi LAT Gamma-Ray Burst Catalog"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.2908","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:db098c8e2e9d6f6c869c18777757f9f7611231266ce93f74cbbeb83fcbc9f706","target":"record","created_at":"2026-05-18T01:51:08Z","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":"d8c41c936293998f82b36813097902b3b649cede6f1a3ea9b412a4d4b06b89b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-12T15:12:40Z","title_canon_sha256":"95fd28f42131d49a6673f91e578d09b9cad8138fb6c4e3788c64667ca4b01bb5"},"schema_version":"1.0","source":{"id":"1303.2908","kind":"arxiv","version":1}},"canonical_sha256":"cc2160d059ed31e0059eccdb412cb0a0af825c0de66bc02de455d9d2b1f4c88c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cc2160d059ed31e0059eccdb412cb0a0af825c0de66bc02de455d9d2b1f4c88c","first_computed_at":"2026-05-18T01:51:08.192970Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:08.192970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iPQf2GdOPZnpxrg8FWKmm8cqjGX4ggRqYRTX6GHrnC8U653++iu589rfBKr4yuX2SFkdpuQt8ZvNmyihUDaKCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:08.193548Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.2908","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:db098c8e2e9d6f6c869c18777757f9f7611231266ce93f74cbbeb83fcbc9f706","sha256:7159f6f88de79918d18a79906cd774de3dea2e6738beeb520100c2a53ccbda26"],"state_sha256":"e62e257542a3786179238515bab2985f87aeb0a83dd2e9d4ca3489f43d8b9eeb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RiyDnEUs7mAPCXqgJnuBvTfQjpiXHZrBPK12hppnEjFhJrA2DI3hKdM+JnRZLRbqdqqJsDxvhRvslIziReYtBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T22:06:18.840830Z","bundle_sha256":"717d4aefd5ef9839c3a677c532f52e1a267e4bfa0337f08f31d044f3488fd564"}}