{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:TSJ3Z5XEFOGDRIWLZHR5LHMDEI","short_pith_number":"pith:TSJ3Z5XE","canonical_record":{"source":{"id":"1710.10270","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-27T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"0b12e42d37c959d05c73249463d5a217438dc2918da24265dd258f0b7f12e1f1","abstract_canon_sha256":"ee3466306b8b1f71991b8077863107bdfd556f81d650aca2ecff6f621b241d92"},"schema_version":"1.0"},"canonical_sha256":"9c93bcf6e42b8c38a2cbc9e3d59d83223e65287045cfb6bde2f23fcd355d1f33","source":{"kind":"arxiv","id":"1710.10270","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.10270","created_at":"2026-05-18T00:19:25Z"},{"alias_kind":"arxiv_version","alias_value":"1710.10270v2","created_at":"2026-05-18T00:19:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.10270","created_at":"2026-05-18T00:19:25Z"},{"alias_kind":"pith_short_12","alias_value":"TSJ3Z5XEFOGD","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"TSJ3Z5XEFOGDRIWL","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"TSJ3Z5XE","created_at":"2026-05-18T12:31:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:TSJ3Z5XEFOGDRIWLZHR5LHMDEI","target":"record","payload":{"canonical_record":{"source":{"id":"1710.10270","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-27T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"0b12e42d37c959d05c73249463d5a217438dc2918da24265dd258f0b7f12e1f1","abstract_canon_sha256":"ee3466306b8b1f71991b8077863107bdfd556f81d650aca2ecff6f621b241d92"},"schema_version":"1.0"},"canonical_sha256":"9c93bcf6e42b8c38a2cbc9e3d59d83223e65287045cfb6bde2f23fcd355d1f33","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:19:25.872749Z","signature_b64":"t64CGUprtMK5p+1urlKCFUbKU8sQjGlqyiU5dZyu8URPJUS77RlnDiQtZuCqIVGWd0Fnni1X63xHKBjH0ctXBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c93bcf6e42b8c38a2cbc9e3d59d83223e65287045cfb6bde2f23fcd355d1f33","last_reissued_at":"2026-05-18T00:19:25.872224Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:19:25.872224Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.10270","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:19:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rfQuIkSCfMv9H5w2B7y/oo7evEyq7s7tCsL/gagntvSTj9FmHli1ikSseifTRJAgSRb91v9UAxAVnp9OXo8XBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:06:29.241606Z"},"content_sha256":"0cb8d67fc5d1e04dcd12880a768c74f6703b058ee6cb0be829cad82d41390ecf","schema_version":"1.0","event_id":"sha256:0cb8d67fc5d1e04dcd12880a768c74f6703b058ee6cb0be829cad82d41390ecf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:TSJ3Z5XEFOGDRIWLZHR5LHMDEI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the radiation mechanism of repeating fast radio bursts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Pawan Kumar, Wenbin Lu","submitted_at":"2017-10-27T18:00:02Z","abstract_excerpt":"Recent observations show that fast radio bursts (FRBs) are energetic but probably non-catastrophic events occurring at cosmological distances. The properties of their progenitors are largely unknown in spite of many attempts to determine them using the event rate, duration and energetics. Understanding the radiation mechanism for FRBs should provide the missing insights regarding their progenitors, which is investigated in this paper. The high brightness temperatures (>10^{35} K) of FRBs mean that the emission process must be coherent. Two general classes of coherent radiation mechanisms are c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.10270","kind":"arxiv","version":2},"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":"2026-05-18T00:19:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6HVuI5xcK7z8/GpgVOlIkyykIEJFlIDyejYya04Xbe4Xc4zf1sDEQBAVZsfCwTN4rOJtFkPfJG8kTgbkgul/BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:06:29.242236Z"},"content_sha256":"1af8e1889fc0c3038941a339358410e79f2ef55b839ec02df9dff19f51eec7dc","schema_version":"1.0","event_id":"sha256:1af8e1889fc0c3038941a339358410e79f2ef55b839ec02df9dff19f51eec7dc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TSJ3Z5XEFOGDRIWLZHR5LHMDEI/bundle.json","state_url":"https://pith.science/pith/TSJ3Z5XEFOGDRIWLZHR5LHMDEI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TSJ3Z5XEFOGDRIWLZHR5LHMDEI/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":"2026-05-25T22:06:29Z","links":{"resolver":"https://pith.science/pith/TSJ3Z5XEFOGDRIWLZHR5LHMDEI","bundle":"https://pith.science/pith/TSJ3Z5XEFOGDRIWLZHR5LHMDEI/bundle.json","state":"https://pith.science/pith/TSJ3Z5XEFOGDRIWLZHR5LHMDEI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TSJ3Z5XEFOGDRIWLZHR5LHMDEI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:TSJ3Z5XEFOGDRIWLZHR5LHMDEI","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":"ee3466306b8b1f71991b8077863107bdfd556f81d650aca2ecff6f621b241d92","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-27T18:00:02Z","title_canon_sha256":"0b12e42d37c959d05c73249463d5a217438dc2918da24265dd258f0b7f12e1f1"},"schema_version":"1.0","source":{"id":"1710.10270","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.10270","created_at":"2026-05-18T00:19:25Z"},{"alias_kind":"arxiv_version","alias_value":"1710.10270v2","created_at":"2026-05-18T00:19:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.10270","created_at":"2026-05-18T00:19:25Z"},{"alias_kind":"pith_short_12","alias_value":"TSJ3Z5XEFOGD","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"TSJ3Z5XEFOGDRIWL","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"TSJ3Z5XE","created_at":"2026-05-18T12:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:1af8e1889fc0c3038941a339358410e79f2ef55b839ec02df9dff19f51eec7dc","target":"graph","created_at":"2026-05-18T00:19:25Z","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":"Recent observations show that fast radio bursts (FRBs) are energetic but probably non-catastrophic events occurring at cosmological distances. The properties of their progenitors are largely unknown in spite of many attempts to determine them using the event rate, duration and energetics. Understanding the radiation mechanism for FRBs should provide the missing insights regarding their progenitors, which is investigated in this paper. The high brightness temperatures (>10^{35} K) of FRBs mean that the emission process must be coherent. Two general classes of coherent radiation mechanisms are c","authors_text":"Pawan Kumar, Wenbin Lu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-27T18:00:02Z","title":"On the radiation mechanism of repeating fast radio bursts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.10270","kind":"arxiv","version":2},"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":"sha256:0cb8d67fc5d1e04dcd12880a768c74f6703b058ee6cb0be829cad82d41390ecf","target":"record","created_at":"2026-05-18T00:19:25Z","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":"ee3466306b8b1f71991b8077863107bdfd556f81d650aca2ecff6f621b241d92","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-27T18:00:02Z","title_canon_sha256":"0b12e42d37c959d05c73249463d5a217438dc2918da24265dd258f0b7f12e1f1"},"schema_version":"1.0","source":{"id":"1710.10270","kind":"arxiv","version":2}},"canonical_sha256":"9c93bcf6e42b8c38a2cbc9e3d59d83223e65287045cfb6bde2f23fcd355d1f33","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c93bcf6e42b8c38a2cbc9e3d59d83223e65287045cfb6bde2f23fcd355d1f33","first_computed_at":"2026-05-18T00:19:25.872224Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:25.872224Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t64CGUprtMK5p+1urlKCFUbKU8sQjGlqyiU5dZyu8URPJUS77RlnDiQtZuCqIVGWd0Fnni1X63xHKBjH0ctXBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:25.872749Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.10270","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0cb8d67fc5d1e04dcd12880a768c74f6703b058ee6cb0be829cad82d41390ecf","sha256:1af8e1889fc0c3038941a339358410e79f2ef55b839ec02df9dff19f51eec7dc"],"state_sha256":"8d7eadaea8a98c5297efa9723564bd0bc18b9a1657ce82abac7cc47c66ed9456"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mjy5cASpWswi6+vbmAYaDt3N2+k4bEd9ThAGUzP1s8KFOHud5CCL7XPFhYjkrD0/FLN9gicnmz8ZFGiKxMktDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:06:29.245595Z","bundle_sha256":"956ba8e7e1090024c4b4d3791e5e85ec98fed2e2a36fdb88aa60b0a670af1358"}}