{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:QJ6HOPUAPAOSCN5HZGYPGHPETH","short_pith_number":"pith:QJ6HOPUA","canonical_record":{"source":{"id":"1508.06806","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-27T11:29:03Z","cross_cats_sorted":[],"title_canon_sha256":"2d2258f0280347838d76fe925cf5a61a4c1866f5bb401baf6593f0b540c92bf3","abstract_canon_sha256":"bb9013a1f888ca8ad4da41b926d1b53fa32c1162bcee48c73b1bf1378238d6b6"},"schema_version":"1.0"},"canonical_sha256":"827c773e80781d2137a7c9b0f31de499e8073fa9f8fcbe1ee81e84edceeac590","source":{"kind":"arxiv","id":"1508.06806","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.06806","created_at":"2026-05-18T01:34:40Z"},{"alias_kind":"arxiv_version","alias_value":"1508.06806v1","created_at":"2026-05-18T01:34:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.06806","created_at":"2026-05-18T01:34:40Z"},{"alias_kind":"pith_short_12","alias_value":"QJ6HOPUAPAOS","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"QJ6HOPUAPAOSCN5H","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"QJ6HOPUA","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:QJ6HOPUAPAOSCN5HZGYPGHPETH","target":"record","payload":{"canonical_record":{"source":{"id":"1508.06806","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-27T11:29:03Z","cross_cats_sorted":[],"title_canon_sha256":"2d2258f0280347838d76fe925cf5a61a4c1866f5bb401baf6593f0b540c92bf3","abstract_canon_sha256":"bb9013a1f888ca8ad4da41b926d1b53fa32c1162bcee48c73b1bf1378238d6b6"},"schema_version":"1.0"},"canonical_sha256":"827c773e80781d2137a7c9b0f31de499e8073fa9f8fcbe1ee81e84edceeac590","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:34:40.970219Z","signature_b64":"CUa54fEAaXmGI+IJCUFcoes99L5u0WfRCV8xzjpo0hIOd06/7G9eyLT6sUFKkFeP4oy8BqoxTukkc4CVfRHBBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"827c773e80781d2137a7c9b0f31de499e8073fa9f8fcbe1ee81e84edceeac590","last_reissued_at":"2026-05-18T01:34:40.969560Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:34:40.969560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.06806","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":"2026-05-18T01:34:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"evqLWURHHQQMM6djEnNnZn+ZL/UditdBJb5INRtPfOC7l3KQRTJJ5EwS69i/G+/AR8rZAcywzziCr7lzqRitDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:22:23.579360Z"},"content_sha256":"9aee68f1f6eb463bfa9c4d12255594d4026e75cdd259759e18fa50634bc42417","schema_version":"1.0","event_id":"sha256:9aee68f1f6eb463bfa9c4d12255594d4026e75cdd259759e18fa50634bc42417"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:QJ6HOPUAPAOSCN5HZGYPGHPETH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unusual Solar Radio Burst Observed at Decameter Wavelengths","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A.A. Konovalenko, A.A. Stanislavskyy, A.I. Brazhenko, A.V. Frantsuzenko, H.O. Rucker, M. Panchenko, V.N. Melnik, V.V. Dorovskyy","submitted_at":"2015-08-27T11:29:03Z","abstract_excerpt":"An unusual solar burst was observed simultaneously by two decameter radio telescopes UTR-2 (Kharkov, Ukraine) and URAN-2 (Poltava, Ukraine) on 3 June 2011 in the frequency range 16-28 MHz. The observed radio burst has some unusual properties, which are not typical for the other types of solar radio bursts. The frequency drift rate of it was positive (about 500 kHz s$^{-1}$) at frequencies higher than 22 MHz and negative (100 kHz s$^{-1}$) at lower frequencies. The full duration of this event varies from 50 s up to 80 s, depending on the frequency. The maximum radio flux of the unusual burst re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.06806","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":"2026-05-18T01:34:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y8us2F/xYqLoPFK6aoz7eJ3KlmpvBvVIy6PZpX8XvaVdQosA609MXGKYAnl/AjAy7id2LZphuE8HSAOe3VntBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:22:23.580048Z"},"content_sha256":"65b799d88234bf187353dd27b8c477e58a5db960005119f57e65aa57c062f131","schema_version":"1.0","event_id":"sha256:65b799d88234bf187353dd27b8c477e58a5db960005119f57e65aa57c062f131"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QJ6HOPUAPAOSCN5HZGYPGHPETH/bundle.json","state_url":"https://pith.science/pith/QJ6HOPUAPAOSCN5HZGYPGHPETH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QJ6HOPUAPAOSCN5HZGYPGHPETH/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":"2026-05-27T01:22:23Z","links":{"resolver":"https://pith.science/pith/QJ6HOPUAPAOSCN5HZGYPGHPETH","bundle":"https://pith.science/pith/QJ6HOPUAPAOSCN5HZGYPGHPETH/bundle.json","state":"https://pith.science/pith/QJ6HOPUAPAOSCN5HZGYPGHPETH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QJ6HOPUAPAOSCN5HZGYPGHPETH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:QJ6HOPUAPAOSCN5HZGYPGHPETH","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":"bb9013a1f888ca8ad4da41b926d1b53fa32c1162bcee48c73b1bf1378238d6b6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-27T11:29:03Z","title_canon_sha256":"2d2258f0280347838d76fe925cf5a61a4c1866f5bb401baf6593f0b540c92bf3"},"schema_version":"1.0","source":{"id":"1508.06806","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.06806","created_at":"2026-05-18T01:34:40Z"},{"alias_kind":"arxiv_version","alias_value":"1508.06806v1","created_at":"2026-05-18T01:34:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.06806","created_at":"2026-05-18T01:34:40Z"},{"alias_kind":"pith_short_12","alias_value":"QJ6HOPUAPAOS","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"QJ6HOPUAPAOSCN5H","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"QJ6HOPUA","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:65b799d88234bf187353dd27b8c477e58a5db960005119f57e65aa57c062f131","target":"graph","created_at":"2026-05-18T01:34:40Z","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":"An unusual solar burst was observed simultaneously by two decameter radio telescopes UTR-2 (Kharkov, Ukraine) and URAN-2 (Poltava, Ukraine) on 3 June 2011 in the frequency range 16-28 MHz. The observed radio burst has some unusual properties, which are not typical for the other types of solar radio bursts. The frequency drift rate of it was positive (about 500 kHz s$^{-1}$) at frequencies higher than 22 MHz and negative (100 kHz s$^{-1}$) at lower frequencies. The full duration of this event varies from 50 s up to 80 s, depending on the frequency. The maximum radio flux of the unusual burst re","authors_text":"A.A. Konovalenko, A.A. Stanislavskyy, A.I. Brazhenko, A.V. Frantsuzenko, H.O. Rucker, M. Panchenko, V.N. Melnik, V.V. Dorovskyy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-27T11:29:03Z","title":"Unusual Solar Radio Burst Observed at Decameter Wavelengths"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.06806","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":"sha256:9aee68f1f6eb463bfa9c4d12255594d4026e75cdd259759e18fa50634bc42417","target":"record","created_at":"2026-05-18T01:34:40Z","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":"bb9013a1f888ca8ad4da41b926d1b53fa32c1162bcee48c73b1bf1378238d6b6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-27T11:29:03Z","title_canon_sha256":"2d2258f0280347838d76fe925cf5a61a4c1866f5bb401baf6593f0b540c92bf3"},"schema_version":"1.0","source":{"id":"1508.06806","kind":"arxiv","version":1}},"canonical_sha256":"827c773e80781d2137a7c9b0f31de499e8073fa9f8fcbe1ee81e84edceeac590","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"827c773e80781d2137a7c9b0f31de499e8073fa9f8fcbe1ee81e84edceeac590","first_computed_at":"2026-05-18T01:34:40.969560Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:34:40.969560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CUa54fEAaXmGI+IJCUFcoes99L5u0WfRCV8xzjpo0hIOd06/7G9eyLT6sUFKkFeP4oy8BqoxTukkc4CVfRHBBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:34:40.970219Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.06806","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9aee68f1f6eb463bfa9c4d12255594d4026e75cdd259759e18fa50634bc42417","sha256:65b799d88234bf187353dd27b8c477e58a5db960005119f57e65aa57c062f131"],"state_sha256":"882c97db62d82f31c29bed811a4d81936c8b076cae63cebda72aa66cad9381e5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8MCvdDhtP/sRgGNQW0dUTwU/Ra2DxtXY8IWpo0UhQdsMpVrmiXBg5DrsZ6Ty+Fix/jxIJ7e2uBbid04Qo+7DAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T01:22:23.583694Z","bundle_sha256":"99e993b6e45d083c232e8297ac12ce0262aa153221d876ff85f32cd89962d4b0"}}