{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:7RLENF3CRM32OFD7HLBIYOBH2C","short_pith_number":"pith:7RLENF3C","canonical_record":{"source":{"id":"2504.13705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-18T14:08:49Z","cross_cats_sorted":[],"title_canon_sha256":"01d3c7dbb672e068d0493b99ce987f1b9b798afdf40ac4af5667b7a29da7e7df","abstract_canon_sha256":"5116c528baadae21649e6e8a599af67c600d49a542fefbe6552ccb5b7224893f"},"schema_version":"1.0"},"canonical_sha256":"fc564697628b37a7147f3ac28c3827d0875254d4723c1fd16204349ad3fff66a","source":{"kind":"arxiv","id":"2504.13705","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.13705","created_at":"2026-07-05T10:51:00Z"},{"alias_kind":"arxiv_version","alias_value":"2504.13705v1","created_at":"2026-07-05T10:51:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.13705","created_at":"2026-07-05T10:51:00Z"},{"alias_kind":"pith_short_12","alias_value":"7RLENF3CRM32","created_at":"2026-07-05T10:51:00Z"},{"alias_kind":"pith_short_16","alias_value":"7RLENF3CRM32OFD7","created_at":"2026-07-05T10:51:00Z"},{"alias_kind":"pith_short_8","alias_value":"7RLENF3C","created_at":"2026-07-05T10:51:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:7RLENF3CRM32OFD7HLBIYOBH2C","target":"record","payload":{"canonical_record":{"source":{"id":"2504.13705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-18T14:08:49Z","cross_cats_sorted":[],"title_canon_sha256":"01d3c7dbb672e068d0493b99ce987f1b9b798afdf40ac4af5667b7a29da7e7df","abstract_canon_sha256":"5116c528baadae21649e6e8a599af67c600d49a542fefbe6552ccb5b7224893f"},"schema_version":"1.0"},"canonical_sha256":"fc564697628b37a7147f3ac28c3827d0875254d4723c1fd16204349ad3fff66a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:51:00.763941Z","signature_b64":"JarvmCQKzGvO06ewlRUB3uA0buwq4thwOOYPiNKVYtkC2qe+ujjiRlsGvdlXZUvF52VLpCvtuqfqIX6KbovjCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc564697628b37a7147f3ac28c3827d0875254d4723c1fd16204349ad3fff66a","last_reissued_at":"2026-07-05T10:51:00.763385Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:51:00.763385Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.13705","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":"2026-07-05T10:51:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1ThECtyqun1orPB14OnDdZYW7U3wFZ5D/Ml8oxFtcSZ/CREdpY3r/v8waJ3FTn4BuhZ0CNQ4C2Wk2o4w3Mj1Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T01:19:36.625843Z"},"content_sha256":"6262e688b0d0238df8d11bbcdb6d8f8f1238ad65d47d546b5c94dc880f84c35c","schema_version":"1.0","event_id":"sha256:6262e688b0d0238df8d11bbcdb6d8f8f1238ad65d47d546b5c94dc880f84c35c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:7RLENF3CRM32OFD7HLBIYOBH2C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deriving the Energy Function of Non-repeaters from CHIME/FRB Baseband Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Biaopeng Li, Fayin Wang, Jumei Yao, Wenqi Ma, Zhifu Gao","submitted_at":"2025-04-18T14:08:49Z","abstract_excerpt":"Fast radio bursts (FRBs) are radio pulses that originate from cosmological distance. Over 800 FRB sources with thousands of bursts have been detected, yet their origins remain unknown. Analyse of the energy function and the redshift evolution of volumetric rate could provide crucial insights into FRB progenitors. In this paper, we present the energy functions of non-repeaters selected from the CHIME/FRB baseband data using the $V_\\mathrm{max}$ method. The $V_\\mathrm{max}$ method allows us to measure redshift evolution without prior assumptions. We observed Schechter-like shapes in the energy f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.13705","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2504.13705/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:51:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fGNDoVnAPQ7yXkpz8c8kVSA54bEavKF6tbd/2mvoAm2Rhw4mcgGzAiPhYJVytN98P6kcxAdXk68dGdzyq2coCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T01:19:36.626555Z"},"content_sha256":"0deb4e6d17a2652603f159147debfc3e2aeb8ed1a58f80a611ade32ba8e9e418","schema_version":"1.0","event_id":"sha256:0deb4e6d17a2652603f159147debfc3e2aeb8ed1a58f80a611ade32ba8e9e418"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7RLENF3CRM32OFD7HLBIYOBH2C/bundle.json","state_url":"https://pith.science/pith/7RLENF3CRM32OFD7HLBIYOBH2C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7RLENF3CRM32OFD7HLBIYOBH2C/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":"2026-08-09T01:19:36Z","links":{"resolver":"https://pith.science/pith/7RLENF3CRM32OFD7HLBIYOBH2C","bundle":"https://pith.science/pith/7RLENF3CRM32OFD7HLBIYOBH2C/bundle.json","state":"https://pith.science/pith/7RLENF3CRM32OFD7HLBIYOBH2C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7RLENF3CRM32OFD7HLBIYOBH2C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:7RLENF3CRM32OFD7HLBIYOBH2C","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":"5116c528baadae21649e6e8a599af67c600d49a542fefbe6552ccb5b7224893f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-18T14:08:49Z","title_canon_sha256":"01d3c7dbb672e068d0493b99ce987f1b9b798afdf40ac4af5667b7a29da7e7df"},"schema_version":"1.0","source":{"id":"2504.13705","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.13705","created_at":"2026-07-05T10:51:00Z"},{"alias_kind":"arxiv_version","alias_value":"2504.13705v1","created_at":"2026-07-05T10:51:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.13705","created_at":"2026-07-05T10:51:00Z"},{"alias_kind":"pith_short_12","alias_value":"7RLENF3CRM32","created_at":"2026-07-05T10:51:00Z"},{"alias_kind":"pith_short_16","alias_value":"7RLENF3CRM32OFD7","created_at":"2026-07-05T10:51:00Z"},{"alias_kind":"pith_short_8","alias_value":"7RLENF3C","created_at":"2026-07-05T10:51:00Z"}],"graph_snapshots":[{"event_id":"sha256:0deb4e6d17a2652603f159147debfc3e2aeb8ed1a58f80a611ade32ba8e9e418","target":"graph","created_at":"2026-07-05T10:51:00Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2504.13705/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fast radio bursts (FRBs) are radio pulses that originate from cosmological distance. Over 800 FRB sources with thousands of bursts have been detected, yet their origins remain unknown. Analyse of the energy function and the redshift evolution of volumetric rate could provide crucial insights into FRB progenitors. In this paper, we present the energy functions of non-repeaters selected from the CHIME/FRB baseband data using the $V_\\mathrm{max}$ method. The $V_\\mathrm{max}$ method allows us to measure redshift evolution without prior assumptions. We observed Schechter-like shapes in the energy f","authors_text":"Biaopeng Li, Fayin Wang, Jumei Yao, Wenqi Ma, Zhifu Gao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-18T14:08:49Z","title":"Deriving the Energy Function of Non-repeaters from CHIME/FRB Baseband Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.13705","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":"sha256:6262e688b0d0238df8d11bbcdb6d8f8f1238ad65d47d546b5c94dc880f84c35c","target":"record","created_at":"2026-07-05T10:51:00Z","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":"5116c528baadae21649e6e8a599af67c600d49a542fefbe6552ccb5b7224893f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-18T14:08:49Z","title_canon_sha256":"01d3c7dbb672e068d0493b99ce987f1b9b798afdf40ac4af5667b7a29da7e7df"},"schema_version":"1.0","source":{"id":"2504.13705","kind":"arxiv","version":1}},"canonical_sha256":"fc564697628b37a7147f3ac28c3827d0875254d4723c1fd16204349ad3fff66a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fc564697628b37a7147f3ac28c3827d0875254d4723c1fd16204349ad3fff66a","first_computed_at":"2026-07-05T10:51:00.763385Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:51:00.763385Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JarvmCQKzGvO06ewlRUB3uA0buwq4thwOOYPiNKVYtkC2qe+ujjiRlsGvdlXZUvF52VLpCvtuqfqIX6KbovjCg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:51:00.763941Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.13705","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6262e688b0d0238df8d11bbcdb6d8f8f1238ad65d47d546b5c94dc880f84c35c","sha256:0deb4e6d17a2652603f159147debfc3e2aeb8ed1a58f80a611ade32ba8e9e418"],"state_sha256":"d2809ac1b2bd6fb970e090fd48abb440c5ca72c81389179d31f25d0fdea53e17"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bcsfb3XJsVs05Azo6Km3coq311QO+6w93djzFhoaCbuoEEX8muBuZj4pEQJMliBIKO3jPhDNoq8dxAgmhnFNCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T01:19:36.632152Z","bundle_sha256":"575b68d3453be577ce88538a949d2e0ea6218ce46939a66823ea2190ad3a2b01"}}