{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:K4OAWLTSLA3MD3Y333BSS3BRBW","short_pith_number":"pith:K4OAWLTS","canonical_record":{"source":{"id":"astro-ph/0104209","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-04-11T21:06:49Z","cross_cats_sorted":["physics.bio-ph","q-bio"],"title_canon_sha256":"66089cb07481d7130196dc9d3bd67cdee92c1410498647f9ee3f4c8e3ae35d8a","abstract_canon_sha256":"54bc2e5ec3f31712956e16703c55a5047046b9e258f66cb49a2dab805bb30544"},"schema_version":"1.0"},"canonical_sha256":"571c0b2e725836c1ef1bdec3296c310dbdff2210e5c4d8246463c500f6412bf9","source":{"kind":"arxiv","id":"astro-ph/0104209","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0104209","created_at":"2026-07-04T14:11:08Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0104209v1","created_at":"2026-07-04T14:11:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0104209","created_at":"2026-07-04T14:11:08Z"},{"alias_kind":"pith_short_12","alias_value":"K4OAWLTSLA3M","created_at":"2026-07-04T14:11:08Z"},{"alias_kind":"pith_short_16","alias_value":"K4OAWLTSLA3MD3Y3","created_at":"2026-07-04T14:11:08Z"},{"alias_kind":"pith_short_8","alias_value":"K4OAWLTS","created_at":"2026-07-04T14:11:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:K4OAWLTSLA3MD3Y333BSS3BRBW","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0104209","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-04-11T21:06:49Z","cross_cats_sorted":["physics.bio-ph","q-bio"],"title_canon_sha256":"66089cb07481d7130196dc9d3bd67cdee92c1410498647f9ee3f4c8e3ae35d8a","abstract_canon_sha256":"54bc2e5ec3f31712956e16703c55a5047046b9e258f66cb49a2dab805bb30544"},"schema_version":"1.0"},"canonical_sha256":"571c0b2e725836c1ef1bdec3296c310dbdff2210e5c4d8246463c500f6412bf9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:11:08.211036Z","signature_b64":"JzLPg4STzSlRls7ib3dKe5kGYW6PMMItfTwwvO5REH5a+dYWW38vXoBYBiMoc2EFD3Fzzd6srajlICmdsPWIBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"571c0b2e725836c1ef1bdec3296c310dbdff2210e5c4d8246463c500f6412bf9","last_reissued_at":"2026-07-04T14:11:08.210603Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:11:08.210603Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0104209","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":"2026-07-04T14:11:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+IcbFcp1ABW8ALMohgkqG3Hkf7ohdu16fSS9vV27eUpIXBOweQQPjTOHo9b9RbzfWw8capxYXDccn2YCJFwABw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T09:26:59.321756Z"},"content_sha256":"0d5d8ea62a75cea69a324e6b637e0f854a766f1261ea4890d83ead0b65cf7ad7","schema_version":"1.0","event_id":"sha256:0d5d8ea62a75cea69a324e6b637e0f854a766f1261ea4890d83ead0b65cf7ad7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:K4OAWLTSLA3MD3Y333BSS3BRBW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Intermittent Jolts of Galactic UV Radiation: Mutagenetic Effects","license":"","headline":"","cross_cats":["physics.bio-ph","q-bio"],"primary_cat":"astro-ph","authors_text":"J. Craig Wheeler, John M. Scalo, Peter Williams","submitted_at":"2001-04-11T21:06:49Z","abstract_excerpt":"We estimate the frequency of intermittent hypermutation events and disruptions of planetary/satellite photochemistry due to ultraviolet radiation from core collapse supernova explosions. Calculations are presented for planetary systems in the local Milky Way, including the important moderating effects of vertical Galactic structure and UV absorption by interstellar dust. The events are particularly frequent for satellites of giant gas planets at \\gtrsim 5-10 AU distance from solar-type parent stars, or in the conventional habitable zones for planets orbiting spectral type K and M parent stars,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0104209","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/astro-ph/0104209/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":"2026-07-04T14:11:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6mF/288LQpmmCOcT+cX1nbs2WEOd1NYgo579pANpkt+lAU+5wVV3J79xr8nRXykSGFP9rhA7SECVfNqYRi7WAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T09:26:59.322126Z"},"content_sha256":"c8f6e35763a69ee45411b4bd6a606a08a75afe23c9c516bdaaf656ccf75eb76a","schema_version":"1.0","event_id":"sha256:c8f6e35763a69ee45411b4bd6a606a08a75afe23c9c516bdaaf656ccf75eb76a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K4OAWLTSLA3MD3Y333BSS3BRBW/bundle.json","state_url":"https://pith.science/pith/K4OAWLTSLA3MD3Y333BSS3BRBW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K4OAWLTSLA3MD3Y333BSS3BRBW/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":"2026-07-05T09:26:59Z","links":{"resolver":"https://pith.science/pith/K4OAWLTSLA3MD3Y333BSS3BRBW","bundle":"https://pith.science/pith/K4OAWLTSLA3MD3Y333BSS3BRBW/bundle.json","state":"https://pith.science/pith/K4OAWLTSLA3MD3Y333BSS3BRBW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K4OAWLTSLA3MD3Y333BSS3BRBW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:K4OAWLTSLA3MD3Y333BSS3BRBW","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":"54bc2e5ec3f31712956e16703c55a5047046b9e258f66cb49a2dab805bb30544","cross_cats_sorted":["physics.bio-ph","q-bio"],"license":"","primary_cat":"astro-ph","submitted_at":"2001-04-11T21:06:49Z","title_canon_sha256":"66089cb07481d7130196dc9d3bd67cdee92c1410498647f9ee3f4c8e3ae35d8a"},"schema_version":"1.0","source":{"id":"astro-ph/0104209","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0104209","created_at":"2026-07-04T14:11:08Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0104209v1","created_at":"2026-07-04T14:11:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0104209","created_at":"2026-07-04T14:11:08Z"},{"alias_kind":"pith_short_12","alias_value":"K4OAWLTSLA3M","created_at":"2026-07-04T14:11:08Z"},{"alias_kind":"pith_short_16","alias_value":"K4OAWLTSLA3MD3Y3","created_at":"2026-07-04T14:11:08Z"},{"alias_kind":"pith_short_8","alias_value":"K4OAWLTS","created_at":"2026-07-04T14:11:08Z"}],"graph_snapshots":[{"event_id":"sha256:c8f6e35763a69ee45411b4bd6a606a08a75afe23c9c516bdaaf656ccf75eb76a","target":"graph","created_at":"2026-07-04T14:11:08Z","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/astro-ph/0104209/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We estimate the frequency of intermittent hypermutation events and disruptions of planetary/satellite photochemistry due to ultraviolet radiation from core collapse supernova explosions. Calculations are presented for planetary systems in the local Milky Way, including the important moderating effects of vertical Galactic structure and UV absorption by interstellar dust. The events are particularly frequent for satellites of giant gas planets at \\gtrsim 5-10 AU distance from solar-type parent stars, or in the conventional habitable zones for planets orbiting spectral type K and M parent stars,","authors_text":"J. Craig Wheeler, John M. Scalo, Peter Williams","cross_cats":["physics.bio-ph","q-bio"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2001-04-11T21:06:49Z","title":"Intermittent Jolts of Galactic UV Radiation: Mutagenetic Effects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0104209","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":"sha256:0d5d8ea62a75cea69a324e6b637e0f854a766f1261ea4890d83ead0b65cf7ad7","target":"record","created_at":"2026-07-04T14:11:08Z","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":"54bc2e5ec3f31712956e16703c55a5047046b9e258f66cb49a2dab805bb30544","cross_cats_sorted":["physics.bio-ph","q-bio"],"license":"","primary_cat":"astro-ph","submitted_at":"2001-04-11T21:06:49Z","title_canon_sha256":"66089cb07481d7130196dc9d3bd67cdee92c1410498647f9ee3f4c8e3ae35d8a"},"schema_version":"1.0","source":{"id":"astro-ph/0104209","kind":"arxiv","version":1}},"canonical_sha256":"571c0b2e725836c1ef1bdec3296c310dbdff2210e5c4d8246463c500f6412bf9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"571c0b2e725836c1ef1bdec3296c310dbdff2210e5c4d8246463c500f6412bf9","first_computed_at":"2026-07-04T14:11:08.210603Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:11:08.210603Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JzLPg4STzSlRls7ib3dKe5kGYW6PMMItfTwwvO5REH5a+dYWW38vXoBYBiMoc2EFD3Fzzd6srajlICmdsPWIBw==","signature_status":"signed_v1","signed_at":"2026-07-04T14:11:08.211036Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0104209","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d5d8ea62a75cea69a324e6b637e0f854a766f1261ea4890d83ead0b65cf7ad7","sha256:c8f6e35763a69ee45411b4bd6a606a08a75afe23c9c516bdaaf656ccf75eb76a"],"state_sha256":"deb66d53f241360b89dec04471155247b92f46d86a7ce16262a379a8077713ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fsLtKiQKjkKgpcZNeWvjpX+M789lWCVp8OgW+dUUPNBr4LqvUgmYwGrO6rt3/zToOlUj62nW4eRDlAJrLfsRCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T09:26:59.324108Z","bundle_sha256":"fca0de4f8bd0f82e53ceb335ded7a1ec436eb3dfdbf45033e836abb65cdb640a"}}