{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:DTNYSE7D342FC7FX3FJDXKQML6","short_pith_number":"pith:DTNYSE7D","canonical_record":{"source":{"id":"astro-ph/0605200","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-05-08T15:51:08Z","cross_cats_sorted":[],"title_canon_sha256":"1681452a4bb841b6354758409cf352d31f447834cfd2d26acc765b2d799480c6","abstract_canon_sha256":"649cef9033f32fb3ee1137b7615e17fb25d69abe5eaa117059739776cd0989b2"},"schema_version":"1.0"},"canonical_sha256":"1cdb8913e3df34517cb7d9523baa0c5faaca4cea3b4c9c3ff8a62c2ad4a42b74","source":{"kind":"arxiv","id":"astro-ph/0605200","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0605200","created_at":"2026-05-18T04:29:04Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0605200v4","created_at":"2026-05-18T04:29:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0605200","created_at":"2026-05-18T04:29:04Z"},{"alias_kind":"pith_short_12","alias_value":"DTNYSE7D342F","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"DTNYSE7D342FC7FX","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"DTNYSE7D","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:DTNYSE7D342FC7FX3FJDXKQML6","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0605200","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-05-08T15:51:08Z","cross_cats_sorted":[],"title_canon_sha256":"1681452a4bb841b6354758409cf352d31f447834cfd2d26acc765b2d799480c6","abstract_canon_sha256":"649cef9033f32fb3ee1137b7615e17fb25d69abe5eaa117059739776cd0989b2"},"schema_version":"1.0"},"canonical_sha256":"1cdb8913e3df34517cb7d9523baa0c5faaca4cea3b4c9c3ff8a62c2ad4a42b74","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:04.702459Z","signature_b64":"hTuXSStuAXoDF9e9warnoe7GHbySPBtzwDrg3X/0HakMvrJnKvauTEpljrRTdf6B8vPlewpsLp5Y2GB7xotxDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1cdb8913e3df34517cb7d9523baa0c5faaca4cea3b4c9c3ff8a62c2ad4a42b74","last_reissued_at":"2026-05-18T04:29:04.702029Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:04.702029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0605200","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:29:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LsCGWcYNnpBCYKTX+TrzeBTR5ukrM44wKc+x9W1Etp7HjbH1XXlseIRzttGjeWWRBozL6G5Bc3w9Buvf/YgCCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T17:35:45.261845Z"},"content_sha256":"409e5608daeaffd8d47d283c48a3a4754296fbd0e23062b5e1f8f9aca3afae85","schema_version":"1.0","event_id":"sha256:409e5608daeaffd8d47d283c48a3a4754296fbd0e23062b5e1f8f9aca3afae85"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:DTNYSE7D342FC7FX3FJDXKQML6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low Luminosity Gamma-Ray Bursts as a Unique Population: Luminosity Function, Local Rate, and Beaming Factor","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Bing Zhang, Enwei Liang, Francisco Virgili, Z. G. Dai","submitted_at":"2006-05-08T15:51:08Z","abstract_excerpt":"Swift/BAT has detected ~ 200 long-duration GRBs, with redshift measurements for ~50 of them. We derive the luminosity function (Phi^{HL}) and the local event rate (rho_0^{HL}) of the conventional high luminosity (HL) GRBs by using the z-known Swift GRBs. Our results are generally consistent with that derived from the CGRO/BATSE data. However, the fact that Swift detected a low luminosity (LL) GRB, GRB 060218, at z=0.033 within ~ 2 year of operation, together with the previous detection of the nearby GRB 980425, suggests a much higher local rate for these LL-GRBs. We explore the possibility tha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0605200","kind":"arxiv","version":4},"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":"2026-05-18T04:29:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OpTeAB9bdNgncAX+zaT/wi8GNIX2Gm1gG+VF2vacj1azTgFpDmcqxjxonM6VLLpp99Dp8TJ5wFPLkmJVFuxlCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T17:35:45.262293Z"},"content_sha256":"aff5e24a8bb053ee53a178712e76ab81691d5c09313cb5306430511d4b2dc89d","schema_version":"1.0","event_id":"sha256:aff5e24a8bb053ee53a178712e76ab81691d5c09313cb5306430511d4b2dc89d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DTNYSE7D342FC7FX3FJDXKQML6/bundle.json","state_url":"https://pith.science/pith/DTNYSE7D342FC7FX3FJDXKQML6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DTNYSE7D342FC7FX3FJDXKQML6/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":"2026-08-11T17:35:45Z","links":{"resolver":"https://pith.science/pith/DTNYSE7D342FC7FX3FJDXKQML6","bundle":"https://pith.science/pith/DTNYSE7D342FC7FX3FJDXKQML6/bundle.json","state":"https://pith.science/pith/DTNYSE7D342FC7FX3FJDXKQML6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DTNYSE7D342FC7FX3FJDXKQML6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:DTNYSE7D342FC7FX3FJDXKQML6","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":"649cef9033f32fb3ee1137b7615e17fb25d69abe5eaa117059739776cd0989b2","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-05-08T15:51:08Z","title_canon_sha256":"1681452a4bb841b6354758409cf352d31f447834cfd2d26acc765b2d799480c6"},"schema_version":"1.0","source":{"id":"astro-ph/0605200","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0605200","created_at":"2026-05-18T04:29:04Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0605200v4","created_at":"2026-05-18T04:29:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0605200","created_at":"2026-05-18T04:29:04Z"},{"alias_kind":"pith_short_12","alias_value":"DTNYSE7D342F","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"DTNYSE7D342FC7FX","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"DTNYSE7D","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:aff5e24a8bb053ee53a178712e76ab81691d5c09313cb5306430511d4b2dc89d","target":"graph","created_at":"2026-05-18T04:29:04Z","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":"Swift/BAT has detected ~ 200 long-duration GRBs, with redshift measurements for ~50 of them. We derive the luminosity function (Phi^{HL}) and the local event rate (rho_0^{HL}) of the conventional high luminosity (HL) GRBs by using the z-known Swift GRBs. Our results are generally consistent with that derived from the CGRO/BATSE data. However, the fact that Swift detected a low luminosity (LL) GRB, GRB 060218, at z=0.033 within ~ 2 year of operation, together with the previous detection of the nearby GRB 980425, suggests a much higher local rate for these LL-GRBs. We explore the possibility tha","authors_text":"Bing Zhang, Enwei Liang, Francisco Virgili, Z. G. Dai","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-05-08T15:51:08Z","title":"Low Luminosity Gamma-Ray Bursts as a Unique Population: Luminosity Function, Local Rate, and Beaming Factor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0605200","kind":"arxiv","version":4},"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":"sha256:409e5608daeaffd8d47d283c48a3a4754296fbd0e23062b5e1f8f9aca3afae85","target":"record","created_at":"2026-05-18T04:29:04Z","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":"649cef9033f32fb3ee1137b7615e17fb25d69abe5eaa117059739776cd0989b2","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-05-08T15:51:08Z","title_canon_sha256":"1681452a4bb841b6354758409cf352d31f447834cfd2d26acc765b2d799480c6"},"schema_version":"1.0","source":{"id":"astro-ph/0605200","kind":"arxiv","version":4}},"canonical_sha256":"1cdb8913e3df34517cb7d9523baa0c5faaca4cea3b4c9c3ff8a62c2ad4a42b74","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1cdb8913e3df34517cb7d9523baa0c5faaca4cea3b4c9c3ff8a62c2ad4a42b74","first_computed_at":"2026-05-18T04:29:04.702029Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:04.702029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hTuXSStuAXoDF9e9warnoe7GHbySPBtzwDrg3X/0HakMvrJnKvauTEpljrRTdf6B8vPlewpsLp5Y2GB7xotxDw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:04.702459Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0605200","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:409e5608daeaffd8d47d283c48a3a4754296fbd0e23062b5e1f8f9aca3afae85","sha256:aff5e24a8bb053ee53a178712e76ab81691d5c09313cb5306430511d4b2dc89d"],"state_sha256":"26151e62bfd718cf2565de3c65ad8955e967c289c082cdafa734d9f47c2ca072"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GN535RpLBp1F3kPusZlc6yxot793yjxxlmvjvCLG2Xt5PjNUFVcH/iibGkHs9+H+QdexsgJK/H0AmQOyqCshBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T17:35:45.267267Z","bundle_sha256":"a8965e0db0250a82a92a0fe009fd3847f2892a0feb278378f8c57d45fa120eed"}}