{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:WUOIAJAAX6WHIWE37M75Y6OANF","short_pith_number":"pith:WUOIAJAA","canonical_record":{"source":{"id":"astro-ph/0212121","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-12-05T07:37:24Z","cross_cats_sorted":[],"title_canon_sha256":"83cce92f46fb4dfe9b3503eddea2310525a8dc7d4b94db143cc25488e9ab7ea6","abstract_canon_sha256":"3f06bbcb77843ef1787ef009176424434c7d0d9e478d9cb9ea5419d01ec7ff8d"},"schema_version":"1.0"},"canonical_sha256":"b51c802400bfac74589bfb3fdc79c0697c8ea366a16a64d3ae6af1069fed5f50","source":{"kind":"arxiv","id":"astro-ph/0212121","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0212121","created_at":"2026-07-04T16:31:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0212121v1","created_at":"2026-07-04T16:31:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0212121","created_at":"2026-07-04T16:31:21Z"},{"alias_kind":"pith_short_12","alias_value":"WUOIAJAAX6WH","created_at":"2026-07-04T16:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"WUOIAJAAX6WHIWE3","created_at":"2026-07-04T16:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"WUOIAJAA","created_at":"2026-07-04T16:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:WUOIAJAAX6WHIWE37M75Y6OANF","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0212121","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-12-05T07:37:24Z","cross_cats_sorted":[],"title_canon_sha256":"83cce92f46fb4dfe9b3503eddea2310525a8dc7d4b94db143cc25488e9ab7ea6","abstract_canon_sha256":"3f06bbcb77843ef1787ef009176424434c7d0d9e478d9cb9ea5419d01ec7ff8d"},"schema_version":"1.0"},"canonical_sha256":"b51c802400bfac74589bfb3fdc79c0697c8ea366a16a64d3ae6af1069fed5f50","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:31:21.636526Z","signature_b64":"Sj04f546pzzZ7T/iAeUBoGYIJCcUNyiqI1edM4qc1IzG3PAwNq0fX7Qih5ko8mvOMy2jxfeOn6Pz6vqYlfiyAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b51c802400bfac74589bfb3fdc79c0697c8ea366a16a64d3ae6af1069fed5f50","last_reissued_at":"2026-07-04T16:31:21.636089Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:31:21.636089Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0212121","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":"2026-07-04T16:31:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hRDWdGg3PIBe65/8ATJcvqUDbTsY+wtTaIjBySHFaAww/PKAILGSybqq7zFQ4/QZyXltYrCtYm6yy3b1SGLWBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:54:36.300463Z"},"content_sha256":"056199dc9c70d9ecbe2df1588b9351342727a57b9474c4220dd1352fa2901a0c","schema_version":"1.0","event_id":"sha256:056199dc9c70d9ecbe2df1588b9351342727a57b9474c4220dd1352fa2901a0c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:WUOIAJAAX6WHIWE37M75Y6OANF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Estimating Star Formation Rates from Infrared and Radio Luminosities: The Origin of the Radio-Infrared Correlation","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Eric F. Bell (MPIA, Heidelberg)","submitted_at":"2002-12-05T07:37:24Z","abstract_excerpt":"I have assembled a diverse sample of galaxies from the literature with far-ultraviolet (FUV), optical, infrared (IR) and radio luminosities to explore the calibration of radio-derived and IR-derived star formation (SF) rates, and the origin of the radio-IR correlation. By comparing the 8-1000 micron IR, which samples dust-reprocessed starlight, with direct stellar FUV emission, I show that the IR traces most of the SF in luminous L* galaxies but traces only a small fraction of the SF in faint ~0.01 L* galaxies. If radio emission were a perfect SF rate indicator, this effect would cause easily "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0212121","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/0212121/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":"2026-07-04T16:31:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CuhoJcgy8cbzFHZQxzCB0eY0rqi9I/L/91ORavqGjzj4wT3coEG2JGkoIqBrBdDw/pltt6gku5Ihu8SGLg4EDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:54:36.301394Z"},"content_sha256":"97161cb62a05606933a113ec03ca2fd9cfc96cdf581871ae1394724336250323","schema_version":"1.0","event_id":"sha256:97161cb62a05606933a113ec03ca2fd9cfc96cdf581871ae1394724336250323"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WUOIAJAAX6WHIWE37M75Y6OANF/bundle.json","state_url":"https://pith.science/pith/WUOIAJAAX6WHIWE37M75Y6OANF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WUOIAJAAX6WHIWE37M75Y6OANF/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":"2026-08-07T00:54:36Z","links":{"resolver":"https://pith.science/pith/WUOIAJAAX6WHIWE37M75Y6OANF","bundle":"https://pith.science/pith/WUOIAJAAX6WHIWE37M75Y6OANF/bundle.json","state":"https://pith.science/pith/WUOIAJAAX6WHIWE37M75Y6OANF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WUOIAJAAX6WHIWE37M75Y6OANF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:WUOIAJAAX6WHIWE37M75Y6OANF","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":"3f06bbcb77843ef1787ef009176424434c7d0d9e478d9cb9ea5419d01ec7ff8d","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-12-05T07:37:24Z","title_canon_sha256":"83cce92f46fb4dfe9b3503eddea2310525a8dc7d4b94db143cc25488e9ab7ea6"},"schema_version":"1.0","source":{"id":"astro-ph/0212121","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0212121","created_at":"2026-07-04T16:31:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0212121v1","created_at":"2026-07-04T16:31:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0212121","created_at":"2026-07-04T16:31:21Z"},{"alias_kind":"pith_short_12","alias_value":"WUOIAJAAX6WH","created_at":"2026-07-04T16:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"WUOIAJAAX6WHIWE3","created_at":"2026-07-04T16:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"WUOIAJAA","created_at":"2026-07-04T16:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:97161cb62a05606933a113ec03ca2fd9cfc96cdf581871ae1394724336250323","target":"graph","created_at":"2026-07-04T16:31:21Z","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/0212121/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"I have assembled a diverse sample of galaxies from the literature with far-ultraviolet (FUV), optical, infrared (IR) and radio luminosities to explore the calibration of radio-derived and IR-derived star formation (SF) rates, and the origin of the radio-IR correlation. By comparing the 8-1000 micron IR, which samples dust-reprocessed starlight, with direct stellar FUV emission, I show that the IR traces most of the SF in luminous L* galaxies but traces only a small fraction of the SF in faint ~0.01 L* galaxies. If radio emission were a perfect SF rate indicator, this effect would cause easily ","authors_text":"Eric F. Bell (MPIA, Heidelberg)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2002-12-05T07:37:24Z","title":"Estimating Star Formation Rates from Infrared and Radio Luminosities: The Origin of the Radio-Infrared Correlation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0212121","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":"sha256:056199dc9c70d9ecbe2df1588b9351342727a57b9474c4220dd1352fa2901a0c","target":"record","created_at":"2026-07-04T16:31:21Z","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":"3f06bbcb77843ef1787ef009176424434c7d0d9e478d9cb9ea5419d01ec7ff8d","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-12-05T07:37:24Z","title_canon_sha256":"83cce92f46fb4dfe9b3503eddea2310525a8dc7d4b94db143cc25488e9ab7ea6"},"schema_version":"1.0","source":{"id":"astro-ph/0212121","kind":"arxiv","version":1}},"canonical_sha256":"b51c802400bfac74589bfb3fdc79c0697c8ea366a16a64d3ae6af1069fed5f50","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b51c802400bfac74589bfb3fdc79c0697c8ea366a16a64d3ae6af1069fed5f50","first_computed_at":"2026-07-04T16:31:21.636089Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:31:21.636089Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Sj04f546pzzZ7T/iAeUBoGYIJCcUNyiqI1edM4qc1IzG3PAwNq0fX7Qih5ko8mvOMy2jxfeOn6Pz6vqYlfiyAg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:31:21.636526Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0212121","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:056199dc9c70d9ecbe2df1588b9351342727a57b9474c4220dd1352fa2901a0c","sha256:97161cb62a05606933a113ec03ca2fd9cfc96cdf581871ae1394724336250323"],"state_sha256":"cd58443abef7e1f3f1476c017bb0a039394de051db55d226cd893394a82e8116"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lIBVnQQfD80LvQYMXhy4ib5OjV+70/cotbWx51P5e26lyZzeFd5jwncALPDsXardrNYRjR1UWAbSpzVXg8EPBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T00:54:36.309367Z","bundle_sha256":"89a2242eaad50ad23a16d7c893ff2b8b387ba5f8cc60927a5a3da6ce76cb352d"}}