{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:34XCQC47L2NVOU6HVHVC6O4KW3","short_pith_number":"pith:34XCQC47","canonical_record":{"source":{"id":"1410.8139","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-29T20:00:12Z","cross_cats_sorted":[],"title_canon_sha256":"fffb3ffb24631a003fd7dd8bd6802810271dce4218dc1aa843830fb7451a0363","abstract_canon_sha256":"a6c6a55beebb34584c896567d7dc7c043fb252ed0baaa3ce5ecdfb2913ee8e2e"},"schema_version":"1.0"},"canonical_sha256":"df2e280b9f5e9b5753c7a9ea2f3b8ab6cd7cc2f7ccdcf05d4fa5c12bc9091100","source":{"kind":"arxiv","id":"1410.8139","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.8139","created_at":"2026-05-18T01:41:38Z"},{"alias_kind":"arxiv_version","alias_value":"1410.8139v1","created_at":"2026-05-18T01:41:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.8139","created_at":"2026-05-18T01:41:38Z"},{"alias_kind":"pith_short_12","alias_value":"34XCQC47L2NV","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"34XCQC47L2NVOU6H","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"34XCQC47","created_at":"2026-05-18T12:28:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:34XCQC47L2NVOU6HVHVC6O4KW3","target":"record","payload":{"canonical_record":{"source":{"id":"1410.8139","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-29T20:00:12Z","cross_cats_sorted":[],"title_canon_sha256":"fffb3ffb24631a003fd7dd8bd6802810271dce4218dc1aa843830fb7451a0363","abstract_canon_sha256":"a6c6a55beebb34584c896567d7dc7c043fb252ed0baaa3ce5ecdfb2913ee8e2e"},"schema_version":"1.0"},"canonical_sha256":"df2e280b9f5e9b5753c7a9ea2f3b8ab6cd7cc2f7ccdcf05d4fa5c12bc9091100","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:38.780647Z","signature_b64":"rm/GdZPzfYYrOBE2Nmxsf8axXgML8EhfFUye10+yMoSyrNq6hsKg6d90E3yszaBdNhvDq3LsBEKp+CSbySD0Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"df2e280b9f5e9b5753c7a9ea2f3b8ab6cd7cc2f7ccdcf05d4fa5c12bc9091100","last_reissued_at":"2026-05-18T01:41:38.780225Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:38.780225Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.8139","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":"2026-05-18T01:41:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V0mkDJZ1FctHuOTR+IyvJNhXBftW6HfZ/EmbPDwSkyT0YWWm1+qqQgSGnyUN/wmgTNs9SZNMoX6SVoLPpljFCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:51:13.449689Z"},"content_sha256":"821f1217f3a5af11be1f8c4ea642957665257bb5a616041f99d510104b2b82d7","schema_version":"1.0","event_id":"sha256:821f1217f3a5af11be1f8c4ea642957665257bb5a616041f99d510104b2b82d7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:34XCQC47L2NVOU6HVHVC6O4KW3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An accurate new method of calculating absolute magnitudes and K-corrections applied to the Sloan filter set","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Kevin Pimbblet, Michael Brown, Richard Beare","submitted_at":"2014-10-29T20:00:12Z","abstract_excerpt":"We describe an accurate new method for determining absolute magnitudes, and hence also K-corrections, which is simpler than most previous methods, being based on a quadratic function of just one suitably chosen observed color. The method relies on the extensive and accurate new set of 129 empirical galaxy template SEDs from Brown et al. (2014). A key advantage of our method is that we can reliably estimate random errors in computed absolute magnitudes due to galaxy diversity, photometric error and redshift error. We derive K-corrections for the five Sloan Digital Sky Survey filters and provide"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.8139","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":"2026-05-18T01:41:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1QknOi2k2DDhpTTgWP3Pfn2K+uAbQ1+yvtHzlJ/jJx8Uuqu1aDXBvHRjwmagW0JcFdZSS4dZasMCIr80+mi1AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:51:13.450371Z"},"content_sha256":"22e37c5ebb18599c622280083e2c9a81530d8a0a0630fa717dcd49a72d7f042d","schema_version":"1.0","event_id":"sha256:22e37c5ebb18599c622280083e2c9a81530d8a0a0630fa717dcd49a72d7f042d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/34XCQC47L2NVOU6HVHVC6O4KW3/bundle.json","state_url":"https://pith.science/pith/34XCQC47L2NVOU6HVHVC6O4KW3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/34XCQC47L2NVOU6HVHVC6O4KW3/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":"2026-05-27T20:51:13Z","links":{"resolver":"https://pith.science/pith/34XCQC47L2NVOU6HVHVC6O4KW3","bundle":"https://pith.science/pith/34XCQC47L2NVOU6HVHVC6O4KW3/bundle.json","state":"https://pith.science/pith/34XCQC47L2NVOU6HVHVC6O4KW3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/34XCQC47L2NVOU6HVHVC6O4KW3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:34XCQC47L2NVOU6HVHVC6O4KW3","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":"a6c6a55beebb34584c896567d7dc7c043fb252ed0baaa3ce5ecdfb2913ee8e2e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-29T20:00:12Z","title_canon_sha256":"fffb3ffb24631a003fd7dd8bd6802810271dce4218dc1aa843830fb7451a0363"},"schema_version":"1.0","source":{"id":"1410.8139","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.8139","created_at":"2026-05-18T01:41:38Z"},{"alias_kind":"arxiv_version","alias_value":"1410.8139v1","created_at":"2026-05-18T01:41:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.8139","created_at":"2026-05-18T01:41:38Z"},{"alias_kind":"pith_short_12","alias_value":"34XCQC47L2NV","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"34XCQC47L2NVOU6H","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"34XCQC47","created_at":"2026-05-18T12:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:22e37c5ebb18599c622280083e2c9a81530d8a0a0630fa717dcd49a72d7f042d","target":"graph","created_at":"2026-05-18T01:41:38Z","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":"We describe an accurate new method for determining absolute magnitudes, and hence also K-corrections, which is simpler than most previous methods, being based on a quadratic function of just one suitably chosen observed color. The method relies on the extensive and accurate new set of 129 empirical galaxy template SEDs from Brown et al. (2014). A key advantage of our method is that we can reliably estimate random errors in computed absolute magnitudes due to galaxy diversity, photometric error and redshift error. We derive K-corrections for the five Sloan Digital Sky Survey filters and provide","authors_text":"Kevin Pimbblet, Michael Brown, Richard Beare","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-29T20:00:12Z","title":"An accurate new method of calculating absolute magnitudes and K-corrections applied to the Sloan filter set"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.8139","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":"sha256:821f1217f3a5af11be1f8c4ea642957665257bb5a616041f99d510104b2b82d7","target":"record","created_at":"2026-05-18T01:41:38Z","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":"a6c6a55beebb34584c896567d7dc7c043fb252ed0baaa3ce5ecdfb2913ee8e2e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-29T20:00:12Z","title_canon_sha256":"fffb3ffb24631a003fd7dd8bd6802810271dce4218dc1aa843830fb7451a0363"},"schema_version":"1.0","source":{"id":"1410.8139","kind":"arxiv","version":1}},"canonical_sha256":"df2e280b9f5e9b5753c7a9ea2f3b8ab6cd7cc2f7ccdcf05d4fa5c12bc9091100","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"df2e280b9f5e9b5753c7a9ea2f3b8ab6cd7cc2f7ccdcf05d4fa5c12bc9091100","first_computed_at":"2026-05-18T01:41:38.780225Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:38.780225Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rm/GdZPzfYYrOBE2Nmxsf8axXgML8EhfFUye10+yMoSyrNq6hsKg6d90E3yszaBdNhvDq3LsBEKp+CSbySD0Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:38.780647Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.8139","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:821f1217f3a5af11be1f8c4ea642957665257bb5a616041f99d510104b2b82d7","sha256:22e37c5ebb18599c622280083e2c9a81530d8a0a0630fa717dcd49a72d7f042d"],"state_sha256":"65f8a7a938887a71d8795473b8709f92b94f35aada5b718988d1b6ba55fd8921"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wsp3HKOxQw860rR0R17f5OJt5BAjeKHFlVe4Oa5bd/V+te1e2m3hUO5iOSjNHEbBubgkspi83BA8xmAlo1ATDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T20:51:13.453832Z","bundle_sha256":"bd3dcf9a1ef91e466f3b499e4c97585de9a4fee845f2e1d16031f82edede9933"}}