{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:WUO5NWDJSVQVVQYYBHO5N4G7CV","short_pith_number":"pith:WUO5NWDJ","canonical_record":{"source":{"id":"1204.2578","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2012-04-11T22:03:28Z","cross_cats_sorted":["physics.ao-ph"],"title_canon_sha256":"837e910436bdfde59822479ee2d5116342a2ad31c063f7bbc986b6a473a956bd","abstract_canon_sha256":"a3711701d92d5e0083c7f4ce657d55d5c554412881b181b692f648615e9bc785"},"schema_version":"1.0"},"canonical_sha256":"b51dd6d86995615ac31809ddd6f0df154a9ecbbd9759973ac0ced899883c0b4c","source":{"kind":"arxiv","id":"1204.2578","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.2578","created_at":"2026-05-18T03:19:23Z"},{"alias_kind":"arxiv_version","alias_value":"1204.2578v1","created_at":"2026-05-18T03:19:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.2578","created_at":"2026-05-18T03:19:23Z"},{"alias_kind":"pith_short_12","alias_value":"WUO5NWDJSVQV","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"WUO5NWDJSVQVVQYY","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"WUO5NWDJ","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:WUO5NWDJSVQVVQYYBHO5N4G7CV","target":"record","payload":{"canonical_record":{"source":{"id":"1204.2578","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2012-04-11T22:03:28Z","cross_cats_sorted":["physics.ao-ph"],"title_canon_sha256":"837e910436bdfde59822479ee2d5116342a2ad31c063f7bbc986b6a473a956bd","abstract_canon_sha256":"a3711701d92d5e0083c7f4ce657d55d5c554412881b181b692f648615e9bc785"},"schema_version":"1.0"},"canonical_sha256":"b51dd6d86995615ac31809ddd6f0df154a9ecbbd9759973ac0ced899883c0b4c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:19:23.391267Z","signature_b64":"w3xVKk5pc8Zy5M7iKyT6CCR2+nQEfZ0jLdXC9I7E/cukHU1YTcXvWZeU0i/b8wqvAL/v+drH1DHd1LW2pJWfDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b51dd6d86995615ac31809ddd6f0df154a9ecbbd9759973ac0ced899883c0b4c","last_reissued_at":"2026-05-18T03:19:23.390632Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:19:23.390632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.2578","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":"2026-05-18T03:19:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UNRZ/ojflBgzu5gxdP0Jud9+gAqbsGrSj8+OKAhC7r2Z8iCNLBO3vci1utzlUn0Tnj09ZQCo6IZCRF/rhaFEDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:23:14.552016Z"},"content_sha256":"077931193ab15099adefb6986a9d7180e88deaf2665efef443832672e814ce64","schema_version":"1.0","event_id":"sha256:077931193ab15099adefb6986a9d7180e88deaf2665efef443832672e814ce64"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:WUO5NWDJSVQVVQYYBHO5N4G7CV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of thundercloud-related gamma rays and neutrons in Tibet","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ao-ph"],"primary_cat":"physics.geo-ph","authors_text":"D. Chen, E. Takahashi, H. Lu, H. Tsuchiya, I. Kondo, J. Huang, J.L. Zhang, K. Hibino, K. Kawata, K. Makishima, K. Munakata, M. Miyasaka, M. Ohnishi, M. Takita, N. Hotta, N. Tateyama, S.M. Nie, S. Shimoda, T. Enoto, X.X. Yu, Y.H. Tan, Y. Yamada","submitted_at":"2012-04-11T22:03:28Z","abstract_excerpt":"During the 2010 rainy season in Yangbajing (4300 m above sea level) in Tibet, China, a long-duration count enhancement associated with thunderclouds was detected by a solar neutron telescope and neutron monitors installed at the Yangbajing Comic Ray Observatory. The event, lasting for $\\sim$40 min, was observed on July 22, 2010. The solar neutron telescope detected significant $\\gamma$-ray signals with energies $>$40 MeV in the event. Such a prolonged high-energy event has never been observed in association with thunderclouds, clearly suggesting that electron acceleration lasts for 40 min in t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.2578","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":"2026-05-18T03:19:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DmqXurW+68XoquKbUjDy/j3clkfWxts6RJy6QmMJmTMTl3XOU+6WLVlnsGL/cR5XW/eg6SozJv8GSGmStK+DDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:23:14.552597Z"},"content_sha256":"f4304e3ff407d87ab5234fea3a2a3902a15cfc14f418a6f9689bcfdb6213724f","schema_version":"1.0","event_id":"sha256:f4304e3ff407d87ab5234fea3a2a3902a15cfc14f418a6f9689bcfdb6213724f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WUO5NWDJSVQVVQYYBHO5N4G7CV/bundle.json","state_url":"https://pith.science/pith/WUO5NWDJSVQVVQYYBHO5N4G7CV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WUO5NWDJSVQVVQYYBHO5N4G7CV/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":"2026-05-25T10:23:14Z","links":{"resolver":"https://pith.science/pith/WUO5NWDJSVQVVQYYBHO5N4G7CV","bundle":"https://pith.science/pith/WUO5NWDJSVQVVQYYBHO5N4G7CV/bundle.json","state":"https://pith.science/pith/WUO5NWDJSVQVVQYYBHO5N4G7CV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WUO5NWDJSVQVVQYYBHO5N4G7CV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:WUO5NWDJSVQVVQYYBHO5N4G7CV","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":"a3711701d92d5e0083c7f4ce657d55d5c554412881b181b692f648615e9bc785","cross_cats_sorted":["physics.ao-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2012-04-11T22:03:28Z","title_canon_sha256":"837e910436bdfde59822479ee2d5116342a2ad31c063f7bbc986b6a473a956bd"},"schema_version":"1.0","source":{"id":"1204.2578","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.2578","created_at":"2026-05-18T03:19:23Z"},{"alias_kind":"arxiv_version","alias_value":"1204.2578v1","created_at":"2026-05-18T03:19:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.2578","created_at":"2026-05-18T03:19:23Z"},{"alias_kind":"pith_short_12","alias_value":"WUO5NWDJSVQV","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"WUO5NWDJSVQVVQYY","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"WUO5NWDJ","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:f4304e3ff407d87ab5234fea3a2a3902a15cfc14f418a6f9689bcfdb6213724f","target":"graph","created_at":"2026-05-18T03:19:23Z","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":"During the 2010 rainy season in Yangbajing (4300 m above sea level) in Tibet, China, a long-duration count enhancement associated with thunderclouds was detected by a solar neutron telescope and neutron monitors installed at the Yangbajing Comic Ray Observatory. The event, lasting for $\\sim$40 min, was observed on July 22, 2010. The solar neutron telescope detected significant $\\gamma$-ray signals with energies $>$40 MeV in the event. Such a prolonged high-energy event has never been observed in association with thunderclouds, clearly suggesting that electron acceleration lasts for 40 min in t","authors_text":"D. Chen, E. Takahashi, H. Lu, H. Tsuchiya, I. Kondo, J. Huang, J.L. Zhang, K. Hibino, K. Kawata, K. Makishima, K. Munakata, M. Miyasaka, M. Ohnishi, M. Takita, N. Hotta, N. Tateyama, S.M. Nie, S. Shimoda, T. Enoto, X.X. Yu, Y.H. Tan, Y. Yamada","cross_cats":["physics.ao-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2012-04-11T22:03:28Z","title":"Observation of thundercloud-related gamma rays and neutrons in Tibet"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.2578","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":"sha256:077931193ab15099adefb6986a9d7180e88deaf2665efef443832672e814ce64","target":"record","created_at":"2026-05-18T03:19:23Z","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":"a3711701d92d5e0083c7f4ce657d55d5c554412881b181b692f648615e9bc785","cross_cats_sorted":["physics.ao-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2012-04-11T22:03:28Z","title_canon_sha256":"837e910436bdfde59822479ee2d5116342a2ad31c063f7bbc986b6a473a956bd"},"schema_version":"1.0","source":{"id":"1204.2578","kind":"arxiv","version":1}},"canonical_sha256":"b51dd6d86995615ac31809ddd6f0df154a9ecbbd9759973ac0ced899883c0b4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b51dd6d86995615ac31809ddd6f0df154a9ecbbd9759973ac0ced899883c0b4c","first_computed_at":"2026-05-18T03:19:23.390632Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:19:23.390632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w3xVKk5pc8Zy5M7iKyT6CCR2+nQEfZ0jLdXC9I7E/cukHU1YTcXvWZeU0i/b8wqvAL/v+drH1DHd1LW2pJWfDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:19:23.391267Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.2578","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:077931193ab15099adefb6986a9d7180e88deaf2665efef443832672e814ce64","sha256:f4304e3ff407d87ab5234fea3a2a3902a15cfc14f418a6f9689bcfdb6213724f"],"state_sha256":"52eb73ab67aeb7c4104069667277002a61fe9a82bbb5430f87f9de3de5ee3b25"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hyXTtZnoxGafDavSKauLfUjY4B/ELUqP3HKTguwwB8JJ+SLw4MARrG9HpG4LhCKbvXH1RxgJv8oSn3MFgUuPCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T10:23:14.555414Z","bundle_sha256":"9763bf591a99f8eb3c1ec8aae64bbcf94c9aeb2812f21349569ac2f2381228b6"}}