{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:X4RFL4ANVYE3BDS253QPXEQX4G","short_pith_number":"pith:X4RFL4AN","canonical_record":{"source":{"id":"astro-ph/0701905","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-31T15:08:25Z","cross_cats_sorted":[],"title_canon_sha256":"e713e5afd4546a59c9a951b56a08a4c88262948590b99198778edb52d7d9650c","abstract_canon_sha256":"88b003287dcf5d6f58c4ca333182536e11ea0afbb9d6b37616f889fb7f1bc6d8"},"schema_version":"1.0"},"canonical_sha256":"bf2255f00dae09b08e5aeee0fb9217e197d111872321a4c33404ce6188cb7ba6","source":{"kind":"arxiv","id":"astro-ph/0701905","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0701905","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0701905v1","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0701905","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"pith_short_12","alias_value":"X4RFL4ANVYE3","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"X4RFL4ANVYE3BDS2","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"X4RFL4AN","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:X4RFL4ANVYE3BDS253QPXEQX4G","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0701905","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-31T15:08:25Z","cross_cats_sorted":[],"title_canon_sha256":"e713e5afd4546a59c9a951b56a08a4c88262948590b99198778edb52d7d9650c","abstract_canon_sha256":"88b003287dcf5d6f58c4ca333182536e11ea0afbb9d6b37616f889fb7f1bc6d8"},"schema_version":"1.0"},"canonical_sha256":"bf2255f00dae09b08e5aeee0fb9217e197d111872321a4c33404ce6188cb7ba6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:20.382390Z","signature_b64":"uFjLMFiAxM7lzyT5b6WL6DF92orvohKRIKDAmJGe3wi0gK0JvT52rMBLBkvMEeDShdrhEdf+lNeJEPI9mS32BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf2255f00dae09b08e5aeee0fb9217e197d111872321a4c33404ce6188cb7ba6","last_reissued_at":"2026-05-18T04:36:20.381858Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:20.381858Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0701905","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":"2026-05-18T04:36:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KF/Ky8DobuF/IKXdMWSSeVqz9kokyl+qgD1JveBBkCvTgCVmFKL7xvs0awT3bW2xxMdyXD6yadlksVfTzQ0jDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T23:37:57.857046Z"},"content_sha256":"5b06db6521ee88f33be0f0976a8b08cd9cbe1386970a1cf69d6ba1d3a7fec8ea","schema_version":"1.0","event_id":"sha256:5b06db6521ee88f33be0f0976a8b08cd9cbe1386970a1cf69d6ba1d3a7fec8ea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:X4RFL4ANVYE3BDS253QPXEQX4G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Origin of the Dark Gamma-Ray Bursts","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Meszaros, F. Ryde, I. Horvath, L. Borgonovo, L. G. Balazs, S. Klose, S. Larsson, Z. Bagoly","submitted_at":"2007-01-31T15:08:25Z","abstract_excerpt":"The origin of dark bursts - i.e. that have no observed afterglows in X-ray, optical/NIR and radio ranges - is unclear yet. Different possibilities - instrumental biases, very high redshifts, extinction in the host galaxies - are discussed and shown to be important. On the other hand, the dark bursts should not form a new subgroup of long gamma-ray bursts themselves."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0701905","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":"2026-05-18T04:36:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KnZJXkMP+7GRf0GehvXiVGI9h0ronwZbNyqgSJuNKS6RZG5e6v80veNNpPjuTw2QteCiSjdoHYB7anZrIcx1CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T23:37:57.857400Z"},"content_sha256":"5ffc2e26f7f44271fc4a3abe5f8f5996c12fbc5f127fe69ab2c2f0b7460dc5ac","schema_version":"1.0","event_id":"sha256:5ffc2e26f7f44271fc4a3abe5f8f5996c12fbc5f127fe69ab2c2f0b7460dc5ac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X4RFL4ANVYE3BDS253QPXEQX4G/bundle.json","state_url":"https://pith.science/pith/X4RFL4ANVYE3BDS253QPXEQX4G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X4RFL4ANVYE3BDS253QPXEQX4G/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":"2026-06-02T23:37:57Z","links":{"resolver":"https://pith.science/pith/X4RFL4ANVYE3BDS253QPXEQX4G","bundle":"https://pith.science/pith/X4RFL4ANVYE3BDS253QPXEQX4G/bundle.json","state":"https://pith.science/pith/X4RFL4ANVYE3BDS253QPXEQX4G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X4RFL4ANVYE3BDS253QPXEQX4G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:X4RFL4ANVYE3BDS253QPXEQX4G","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":"88b003287dcf5d6f58c4ca333182536e11ea0afbb9d6b37616f889fb7f1bc6d8","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-31T15:08:25Z","title_canon_sha256":"e713e5afd4546a59c9a951b56a08a4c88262948590b99198778edb52d7d9650c"},"schema_version":"1.0","source":{"id":"astro-ph/0701905","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0701905","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0701905v1","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0701905","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"pith_short_12","alias_value":"X4RFL4ANVYE3","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"X4RFL4ANVYE3BDS2","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"X4RFL4AN","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:5ffc2e26f7f44271fc4a3abe5f8f5996c12fbc5f127fe69ab2c2f0b7460dc5ac","target":"graph","created_at":"2026-05-18T04:36:20Z","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":"The origin of dark bursts - i.e. that have no observed afterglows in X-ray, optical/NIR and radio ranges - is unclear yet. Different possibilities - instrumental biases, very high redshifts, extinction in the host galaxies - are discussed and shown to be important. On the other hand, the dark bursts should not form a new subgroup of long gamma-ray bursts themselves.","authors_text":"A. Meszaros, F. Ryde, I. Horvath, L. Borgonovo, L. G. Balazs, S. Klose, S. Larsson, Z. Bagoly","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-01-31T15:08:25Z","title":"On the Origin of the Dark Gamma-Ray Bursts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0701905","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":"sha256:5b06db6521ee88f33be0f0976a8b08cd9cbe1386970a1cf69d6ba1d3a7fec8ea","target":"record","created_at":"2026-05-18T04:36:20Z","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":"88b003287dcf5d6f58c4ca333182536e11ea0afbb9d6b37616f889fb7f1bc6d8","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-31T15:08:25Z","title_canon_sha256":"e713e5afd4546a59c9a951b56a08a4c88262948590b99198778edb52d7d9650c"},"schema_version":"1.0","source":{"id":"astro-ph/0701905","kind":"arxiv","version":1}},"canonical_sha256":"bf2255f00dae09b08e5aeee0fb9217e197d111872321a4c33404ce6188cb7ba6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf2255f00dae09b08e5aeee0fb9217e197d111872321a4c33404ce6188cb7ba6","first_computed_at":"2026-05-18T04:36:20.381858Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:36:20.381858Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uFjLMFiAxM7lzyT5b6WL6DF92orvohKRIKDAmJGe3wi0gK0JvT52rMBLBkvMEeDShdrhEdf+lNeJEPI9mS32BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:36:20.382390Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0701905","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5b06db6521ee88f33be0f0976a8b08cd9cbe1386970a1cf69d6ba1d3a7fec8ea","sha256:5ffc2e26f7f44271fc4a3abe5f8f5996c12fbc5f127fe69ab2c2f0b7460dc5ac"],"state_sha256":"209fda22a355198bc7c5d58ba55ddb885ebbf525e6bdfa2940139cb06a4291fb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YxV0vkgXkeSWsSJ2z2spCiE1uCqm4nI1DAX6GQ6iqDtGJirlr4LJbuXbSMGQPHLkfqtiiSKTepX+3ZA4DKY1Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T23:37:57.859348Z","bundle_sha256":"a6b099e09c29facc183eddbf920bfb71a5c8c242221d06b45bc1e38527c4ff16"}}