{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:WKQYT3JX72SJWKGQL7E6XMQGK7","short_pith_number":"pith:WKQYT3JX","canonical_record":{"source":{"id":"1207.6346","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-07-26T17:42:18Z","cross_cats_sorted":[],"title_canon_sha256":"36b509244076343f20116fe58edd26313aac75d9a9d9458ee62a48824b6bb7d7","abstract_canon_sha256":"e0fe396e5490860993f68808b7617d22a103fb27136652ea45dab47dba27c3e8"},"schema_version":"1.0"},"canonical_sha256":"b2a189ed37fea49b28d05fc9ebb20657e611ba13d86c2171b5bdd0fbece7346d","source":{"kind":"arxiv","id":"1207.6346","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6346","created_at":"2026-05-18T01:56:06Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6346v1","created_at":"2026-05-18T01:56:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6346","created_at":"2026-05-18T01:56:06Z"},{"alias_kind":"pith_short_12","alias_value":"WKQYT3JX72SJ","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"WKQYT3JX72SJWKGQ","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"WKQYT3JX","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:WKQYT3JX72SJWKGQL7E6XMQGK7","target":"record","payload":{"canonical_record":{"source":{"id":"1207.6346","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-07-26T17:42:18Z","cross_cats_sorted":[],"title_canon_sha256":"36b509244076343f20116fe58edd26313aac75d9a9d9458ee62a48824b6bb7d7","abstract_canon_sha256":"e0fe396e5490860993f68808b7617d22a103fb27136652ea45dab47dba27c3e8"},"schema_version":"1.0"},"canonical_sha256":"b2a189ed37fea49b28d05fc9ebb20657e611ba13d86c2171b5bdd0fbece7346d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:06.959978Z","signature_b64":"BrQfp+DJbMzaIO5lH0T3TJTPrgOdWzFG0/gdIx/CLiO8nLmBb3PjeW3ofe7Rszomrl8g8JalNmX8ybhIGkWNCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b2a189ed37fea49b28d05fc9ebb20657e611ba13d86c2171b5bdd0fbece7346d","last_reissued_at":"2026-05-18T01:56:06.959458Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:06.959458Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.6346","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":"2026-05-18T01:56:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ONZ/Q3LqSBv9h1/41xq3op17hTtSV4QdlgN3C5mQECQDHeZtxSdv4FpP8H/jzjZbaIriwpVdYZfGKQ5go3fTAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T00:12:09.309112Z"},"content_sha256":"ac0ab19b7c6d63934d99450f44359d51606c089f69258eeab617e9ede47bcffb","schema_version":"1.0","event_id":"sha256:ac0ab19b7c6d63934d99450f44359d51606c089f69258eeab617e9ede47bcffb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:WKQYT3JX72SJWKGQL7E6XMQGK7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High Energy Transients","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"John K. Cannizzo, Neil Gehrels","submitted_at":"2012-07-26T17:42:18Z","abstract_excerpt":"We present an overview of high energy transients in astrophysics, highlighting important advances over the past 50 years. We begin with early discoveries of gamma-ray transients, and then delve into physical details associated with a variety of phenomena. We discuss some of the unexpected transients found by Fermi and Swift, many of which are not easily classifiable or in some way challenge conventional wisdom. These objects are important insofar as they underscore the necessity of future, more detailed studies."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6346","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":"2026-05-18T01:56:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vkhgZJycBj3uuOM/c65rqnZEKG1SlOomiWTHijBHe4wmRwUnOvPpq5wueeiXd9anX5MUkSg/12VGaHaMC/fxBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T00:12:09.309759Z"},"content_sha256":"f34871e4fdfdeef62359b0d411da469aa1d8f88b6f76818a3341f7d9ce9bacae","schema_version":"1.0","event_id":"sha256:f34871e4fdfdeef62359b0d411da469aa1d8f88b6f76818a3341f7d9ce9bacae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WKQYT3JX72SJWKGQL7E6XMQGK7/bundle.json","state_url":"https://pith.science/pith/WKQYT3JX72SJWKGQL7E6XMQGK7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WKQYT3JX72SJWKGQL7E6XMQGK7/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":"2026-05-30T00:12:09Z","links":{"resolver":"https://pith.science/pith/WKQYT3JX72SJWKGQL7E6XMQGK7","bundle":"https://pith.science/pith/WKQYT3JX72SJWKGQL7E6XMQGK7/bundle.json","state":"https://pith.science/pith/WKQYT3JX72SJWKGQL7E6XMQGK7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WKQYT3JX72SJWKGQL7E6XMQGK7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:WKQYT3JX72SJWKGQL7E6XMQGK7","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":"e0fe396e5490860993f68808b7617d22a103fb27136652ea45dab47dba27c3e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-07-26T17:42:18Z","title_canon_sha256":"36b509244076343f20116fe58edd26313aac75d9a9d9458ee62a48824b6bb7d7"},"schema_version":"1.0","source":{"id":"1207.6346","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6346","created_at":"2026-05-18T01:56:06Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6346v1","created_at":"2026-05-18T01:56:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6346","created_at":"2026-05-18T01:56:06Z"},{"alias_kind":"pith_short_12","alias_value":"WKQYT3JX72SJ","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"WKQYT3JX72SJWKGQ","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"WKQYT3JX","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:f34871e4fdfdeef62359b0d411da469aa1d8f88b6f76818a3341f7d9ce9bacae","target":"graph","created_at":"2026-05-18T01:56:06Z","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 present an overview of high energy transients in astrophysics, highlighting important advances over the past 50 years. We begin with early discoveries of gamma-ray transients, and then delve into physical details associated with a variety of phenomena. We discuss some of the unexpected transients found by Fermi and Swift, many of which are not easily classifiable or in some way challenge conventional wisdom. These objects are important insofar as they underscore the necessity of future, more detailed studies.","authors_text":"John K. Cannizzo, Neil Gehrels","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-07-26T17:42:18Z","title":"High Energy Transients"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6346","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:ac0ab19b7c6d63934d99450f44359d51606c089f69258eeab617e9ede47bcffb","target":"record","created_at":"2026-05-18T01:56:06Z","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":"e0fe396e5490860993f68808b7617d22a103fb27136652ea45dab47dba27c3e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-07-26T17:42:18Z","title_canon_sha256":"36b509244076343f20116fe58edd26313aac75d9a9d9458ee62a48824b6bb7d7"},"schema_version":"1.0","source":{"id":"1207.6346","kind":"arxiv","version":1}},"canonical_sha256":"b2a189ed37fea49b28d05fc9ebb20657e611ba13d86c2171b5bdd0fbece7346d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b2a189ed37fea49b28d05fc9ebb20657e611ba13d86c2171b5bdd0fbece7346d","first_computed_at":"2026-05-18T01:56:06.959458Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:56:06.959458Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BrQfp+DJbMzaIO5lH0T3TJTPrgOdWzFG0/gdIx/CLiO8nLmBb3PjeW3ofe7Rszomrl8g8JalNmX8ybhIGkWNCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:56:06.959978Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.6346","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ac0ab19b7c6d63934d99450f44359d51606c089f69258eeab617e9ede47bcffb","sha256:f34871e4fdfdeef62359b0d411da469aa1d8f88b6f76818a3341f7d9ce9bacae"],"state_sha256":"9a89603e5fe57487569f21196cca01272999da127f98d71d4f096ed8def2e973"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JO39bOShbZvd/KS2BgBp9EhnPBMuJsxiTeexSmLlC8SBfGO8b6lCd4ZkZjo2XiqS9xnPyqOHGtZgiYyyeYwYCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T00:12:09.312837Z","bundle_sha256":"329614adb65e732894520314f54f9751e79026c677797bbc322e120c3d769aff"}}