{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"a9ba775f8309fec9586310ea574b4b8bcdca9c0fdfc4ee455961da8850d4a725","created":"2026-10-03T07:17:54Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011","c1e2a1cd2e6fbd4139fbfdc11f91c70a9fb7e50f5c04e9ce96b450ca2deceb7a"],"salt":"f5fd5d07424c647623d770ccd0a101435f905166298968217cb2a8342acfaec6","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"yes-no","assisted_by":[],"external_id":"astro.fast-radio-bursts.all-repeat","kind":"well-posed","literature_status":"open","n":"1","parents":[{"note":"","parent_revision":"c1e2a1cd2e6fbd4139fbfdc11f91c70a9fb7e50f5c04e9ce96b450ca2deceb7a","relation":"special_case"}],"plain":"A few sources flash again and again while most have been seen once; they may be two kinds of object or one kind seen at different activity levels.","posed_since":"2016","precise":"Determine whether apparently non-repeating FRBs form a distinct population or the low-activity tail of repeaters, using the distribution of per-source burst rates, burst morphology (repeaters are narrower in band and drift downward in frequency), dispersion measures and host properties. Answer: a statistical test on a complete survey sample that rejects a single population or bounds the fraction of truly one-off (cataclysmic) sources.","problem_ref":null,"references":"","settled_by":"Multi-year monitoring of a large CHIME/FRB sample that yields the repetition-rate distribution and its correlation with morphology.","status_note":"","title":"Do all fast radio burst sources eventually repeat?","topic_ref":"e34915880c8b4fcf234950c4bc4b644f158dd59b4baa5d82a78b1c9c3951edf9"},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"0e203347ccff632487bc0e389313a40a016cfba53583f26a7f0482a2612d82e3","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"d90ce84db9d336ad67eba893bcf3c1ddf3f7dfe8a0400056c5c641e996091804","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"DfeJKp-PxB0RFP_CjpARGdovoKve5s39pJQPZN4DWZP7F9M56yoUWYPz7fd1SU_OLbXWPQVzprFe6k6UMQhPAw"},"schema":"pubphys.envelope/1"},"record_hash":"0e203347ccff632487bc0e389313a40a016cfba53583f26a7f0482a2612d82e3","leaf_index":526}