{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:IBZAKNG5ZF3WXEYOBM27GKWLLC","short_pith_number":"pith:IBZAKNG5","canonical_record":{"source":{"id":"1605.07481","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2016-05-24T14:36:58Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"2cddc56b42212cb72c65a0d1203ea1fe994fcff4019de1bb31526abaae8983c6","abstract_canon_sha256":"0bec1a214e3e3e0348a4a6fea6d554047ff48b61bf4fc3ec634a2fc715fbe192"},"schema_version":"1.0"},"canonical_sha256":"40720534ddc9776b930e0b35f32acb588d1c2f92d4c61b801448690b3ed2caa2","source":{"kind":"arxiv","id":"1605.07481","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.07481","created_at":"2026-05-18T01:13:45Z"},{"alias_kind":"arxiv_version","alias_value":"1605.07481v1","created_at":"2026-05-18T01:13:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.07481","created_at":"2026-05-18T01:13:45Z"},{"alias_kind":"pith_short_12","alias_value":"IBZAKNG5ZF3W","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IBZAKNG5ZF3WXEYO","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IBZAKNG5","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:IBZAKNG5ZF3WXEYOBM27GKWLLC","target":"record","payload":{"canonical_record":{"source":{"id":"1605.07481","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2016-05-24T14:36:58Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"2cddc56b42212cb72c65a0d1203ea1fe994fcff4019de1bb31526abaae8983c6","abstract_canon_sha256":"0bec1a214e3e3e0348a4a6fea6d554047ff48b61bf4fc3ec634a2fc715fbe192"},"schema_version":"1.0"},"canonical_sha256":"40720534ddc9776b930e0b35f32acb588d1c2f92d4c61b801448690b3ed2caa2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:13:45.954039Z","signature_b64":"w+ebrb1JdeqDAsLvnNnRr5k1nTC4gfqO21UstW5wmatGISpczyrr9CkrKwbO2OF1h6Mp+H77X59tKX1tsxf4Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"40720534ddc9776b930e0b35f32acb588d1c2f92d4c61b801448690b3ed2caa2","last_reissued_at":"2026-05-18T01:13:45.953455Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:13:45.953455Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.07481","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":"2026-05-18T01:13:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BRBBGMPfI9ZByfW5Q8EOBWpVf+vYEMdVxi3A9GJYV/M/K6RQBi95HbJSa8OfWUmgwjM6r1Rw9nfVQhFAsqjnBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:36:47.471823Z"},"content_sha256":"bea65fdcc1d1bd370defccf013c826b997438d7a181c15b08f1c530884f0d1e1","schema_version":"1.0","event_id":"sha256:bea65fdcc1d1bd370defccf013c826b997438d7a181c15b08f1c530884f0d1e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:IBZAKNG5ZF3WXEYOBM27GKWLLC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An altitude and distance correction to the source fluence distribution of TGFs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"physics.space-ph","authors_text":"A. B. Collier, N. {\\O}stgaard, R. S. Nisi, T. Gjesteland","submitted_at":"2016-05-24T14:36:58Z","abstract_excerpt":"The source fluence distribution of terrestrial gamma ray flashes (TGFs) has been extensively discussed in recent years, but few have considered how the TGF fluence distribution at the source, as estimated from satellite measurements, depends on the distance from satellite foot point and assumed production altitude. As the absorption of the TGF photons increases significantly with lower source altitude and larger distance between the source and the observing satellite, these might be important factors. We have addressed the issue by using the tropopause pressure distribution as an approximation"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.07481","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":"2026-05-18T01:13:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lbpNmXwB3TBXXiKM9ee8QHNIXg/R4fnT7TwEHz2bPj6qLoQ5Kv5cCc/Bb8pwPIokZlsQk/oHxq4uFlLZO41GAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:36:47.472169Z"},"content_sha256":"79bb487f68f0d0c3e0181f7ca09708805dd44f773dc9ae671fc221b41112cd7b","schema_version":"1.0","event_id":"sha256:79bb487f68f0d0c3e0181f7ca09708805dd44f773dc9ae671fc221b41112cd7b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IBZAKNG5ZF3WXEYOBM27GKWLLC/bundle.json","state_url":"https://pith.science/pith/IBZAKNG5ZF3WXEYOBM27GKWLLC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IBZAKNG5ZF3WXEYOBM27GKWLLC/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":"2026-06-01T06:36:47Z","links":{"resolver":"https://pith.science/pith/IBZAKNG5ZF3WXEYOBM27GKWLLC","bundle":"https://pith.science/pith/IBZAKNG5ZF3WXEYOBM27GKWLLC/bundle.json","state":"https://pith.science/pith/IBZAKNG5ZF3WXEYOBM27GKWLLC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IBZAKNG5ZF3WXEYOBM27GKWLLC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:IBZAKNG5ZF3WXEYOBM27GKWLLC","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":"0bec1a214e3e3e0348a4a6fea6d554047ff48b61bf4fc3ec634a2fc715fbe192","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2016-05-24T14:36:58Z","title_canon_sha256":"2cddc56b42212cb72c65a0d1203ea1fe994fcff4019de1bb31526abaae8983c6"},"schema_version":"1.0","source":{"id":"1605.07481","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.07481","created_at":"2026-05-18T01:13:45Z"},{"alias_kind":"arxiv_version","alias_value":"1605.07481v1","created_at":"2026-05-18T01:13:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.07481","created_at":"2026-05-18T01:13:45Z"},{"alias_kind":"pith_short_12","alias_value":"IBZAKNG5ZF3W","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IBZAKNG5ZF3WXEYO","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IBZAKNG5","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:79bb487f68f0d0c3e0181f7ca09708805dd44f773dc9ae671fc221b41112cd7b","target":"graph","created_at":"2026-05-18T01:13:45Z","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 source fluence distribution of terrestrial gamma ray flashes (TGFs) has been extensively discussed in recent years, but few have considered how the TGF fluence distribution at the source, as estimated from satellite measurements, depends on the distance from satellite foot point and assumed production altitude. As the absorption of the TGF photons increases significantly with lower source altitude and larger distance between the source and the observing satellite, these might be important factors. We have addressed the issue by using the tropopause pressure distribution as an approximation","authors_text":"A. B. Collier, N. {\\O}stgaard, R. S. Nisi, T. Gjesteland","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2016-05-24T14:36:58Z","title":"An altitude and distance correction to the source fluence distribution of TGFs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.07481","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:bea65fdcc1d1bd370defccf013c826b997438d7a181c15b08f1c530884f0d1e1","target":"record","created_at":"2026-05-18T01:13:45Z","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":"0bec1a214e3e3e0348a4a6fea6d554047ff48b61bf4fc3ec634a2fc715fbe192","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2016-05-24T14:36:58Z","title_canon_sha256":"2cddc56b42212cb72c65a0d1203ea1fe994fcff4019de1bb31526abaae8983c6"},"schema_version":"1.0","source":{"id":"1605.07481","kind":"arxiv","version":1}},"canonical_sha256":"40720534ddc9776b930e0b35f32acb588d1c2f92d4c61b801448690b3ed2caa2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"40720534ddc9776b930e0b35f32acb588d1c2f92d4c61b801448690b3ed2caa2","first_computed_at":"2026-05-18T01:13:45.953455Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:13:45.953455Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w+ebrb1JdeqDAsLvnNnRr5k1nTC4gfqO21UstW5wmatGISpczyrr9CkrKwbO2OF1h6Mp+H77X59tKX1tsxf4Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:13:45.954039Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.07481","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bea65fdcc1d1bd370defccf013c826b997438d7a181c15b08f1c530884f0d1e1","sha256:79bb487f68f0d0c3e0181f7ca09708805dd44f773dc9ae671fc221b41112cd7b"],"state_sha256":"99256c0352e764a83bd7240274064cd0f400c63c4741c7edc69393921a2bbdb2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iX1+td1bdTTzPJ2lIfArfHnGe6EwK5Z7tKPjWCjHdZgJoTfGUeV44AvvnNXU3kdykqWGLkdolizsPKDleJhjCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T06:36:47.474334Z","bundle_sha256":"df8c0b06770cb04a9f68d0cdc1e087167b6096f2713adc4c0d4a5fbecd65e17e"}}