{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:TWNGE7AGJHT6IAMM7SWRHGDTHK","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":"eea536b3f5a5ca15b57140c00562fb48f0c6973156503b4c908f5d2dd8b02a55","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-10-01T04:23:33Z","title_canon_sha256":"731ada37aadad9756d1dad711a4cc6040b67cbffe16702ec927400adabfedfeb"},"schema_version":"1.0","source":{"id":"1210.0285","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.0285","created_at":"2026-05-18T01:54:12Z"},{"alias_kind":"arxiv_version","alias_value":"1210.0285v1","created_at":"2026-05-18T01:54:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0285","created_at":"2026-05-18T01:54:12Z"},{"alias_kind":"pith_short_12","alias_value":"TWNGE7AGJHT6","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TWNGE7AGJHT6IAMM","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TWNGE7AG","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:db6d2c413b71df6bfb880cad1ae9a7013aeb38100465fa0fe08a1b94cf6c2376","target":"graph","created_at":"2026-05-18T01:54:12Z","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":"This paper describes SEDfit, the earliest --- but continually upgraded --- software package for spectral energy distribution fitting (SED fitting) of high-redshift photometric data, and the only one to properly treat non-detections. The principles of maximum-likelihood SED fitting are described, including formulae used for fitting both detected and un-detected (upper limits) photometric data. The internal mechanics of the SEDfit package are presented and several illustrative examples of its use are given. The paper concludes with a discussion of several issues and caveats applicable to SED-fit","authors_text":"Marcin Sawicki","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-10-01T04:23:33Z","title":"SEDfit: Software for Spectral Energy Distribution Fitting of Photometric Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0285","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:bc9f41a0a125290f9accb270c34e387bea3b8ae4c901c2bf63f46f52f0c8d535","target":"record","created_at":"2026-05-18T01:54:12Z","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":"eea536b3f5a5ca15b57140c00562fb48f0c6973156503b4c908f5d2dd8b02a55","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-10-01T04:23:33Z","title_canon_sha256":"731ada37aadad9756d1dad711a4cc6040b67cbffe16702ec927400adabfedfeb"},"schema_version":"1.0","source":{"id":"1210.0285","kind":"arxiv","version":1}},"canonical_sha256":"9d9a627c0649e7e4018cfcad1398733abc0bce44836707898219d27aab19e8f1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d9a627c0649e7e4018cfcad1398733abc0bce44836707898219d27aab19e8f1","first_computed_at":"2026-05-18T01:54:12.277906Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:12.277906Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zFdGdqxhRXlktDEtL3UBixJRZhdBEtWx1k2B3n0Ospy1kfPnJmOJXQod69sfAcdfmRzl0RtZqs4GC5R6vSYrCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:12.278561Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.0285","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc9f41a0a125290f9accb270c34e387bea3b8ae4c901c2bf63f46f52f0c8d535","sha256:db6d2c413b71df6bfb880cad1ae9a7013aeb38100465fa0fe08a1b94cf6c2376"],"state_sha256":"b135af1ad20335d388d12a50c2f829e8e516304b849056c76e28ac786fc60992"}