{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:MZMFFHNZGD35NIYNGMGMTXFXQH","short_pith_number":"pith:MZMFFHNZ","canonical_record":{"source":{"id":"1211.6122","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-26T21:00:47Z","cross_cats_sorted":[],"title_canon_sha256":"96cbfa27b6f86c6bc3b3b5d58dc33432fd661f21ac54f570007c9ec621f92520","abstract_canon_sha256":"d87604a975600b1d9d7e66e626c346849ae8bd9de0b31e427ca56cb87753eb64"},"schema_version":"1.0"},"canonical_sha256":"6658529db930f7d6a30d330cc9dcb781d639541c3c9066f9c112cd07330fac03","source":{"kind":"arxiv","id":"1211.6122","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.6122","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"1211.6122v2","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.6122","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"MZMFFHNZGD35","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"MZMFFHNZGD35NIYN","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"MZMFFHNZ","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:MZMFFHNZGD35NIYNGMGMTXFXQH","target":"record","payload":{"canonical_record":{"source":{"id":"1211.6122","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-26T21:00:47Z","cross_cats_sorted":[],"title_canon_sha256":"96cbfa27b6f86c6bc3b3b5d58dc33432fd661f21ac54f570007c9ec621f92520","abstract_canon_sha256":"d87604a975600b1d9d7e66e626c346849ae8bd9de0b31e427ca56cb87753eb64"},"schema_version":"1.0"},"canonical_sha256":"6658529db930f7d6a30d330cc9dcb781d639541c3c9066f9c112cd07330fac03","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:50:32.586486Z","signature_b64":"P5pN3W4BeD4RIFWjcrwrZnPGiwmtFYYtirDGUfe1vYpmgJIZUfr4AunSqpGzasZVJlJPQ2bMVysIV8fxftFMDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6658529db930f7d6a30d330cc9dcb781d639541c3c9066f9c112cd07330fac03","last_reissued_at":"2026-05-18T02:50:32.585957Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:50:32.585957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.6122","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:50:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4RT54TIlpW3h3cZAbljs3PY7hnNRqArrR7ZW/Iznw7YdWG9ntIX0GYSZdHxP8rMbZ6dj0QsBAwQEMQV8M0tXDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T04:38:20.267871Z"},"content_sha256":"b4700bcea8e148ce526ba5a6bf92f5d2db96ca8ba708a21caad6100902269e76","schema_version":"1.0","event_id":"sha256:b4700bcea8e148ce526ba5a6bf92f5d2db96ca8ba708a21caad6100902269e76"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:MZMFFHNZGD35NIYNGMGMTXFXQH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Systematic effects on the size-luminosity relation: dependence on model fitting and morphology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Meert, F. Shankar, M. Bernardi, M. Huertas-Company, R. K. Sheth, S. Mei, V. Vikram","submitted_at":"2012-11-26T21:00:47Z","abstract_excerpt":"We quantify the systematics in the size-luminosity relation of galaxies in the SDSS main sample which arise from fitting different 1- and 2-component model profiles to the images. In objects brighter than L*, fitting a single Sersic profile to what is really a two-component SerExp system leads to biases: the half-light radius is increasingly overestimated as n of the fitted single component increases; it is also overestimated at B/T ~ 0.6. However, the net effect on the R-L relation is small, except for the most luminous tail, where it curves upwards towards larger sizes. We also study how thi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.6122","kind":"arxiv","version":2},"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":"2026-05-18T02:50:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GQepvJG03yULh8opmOYehScX2Or1ccUHVYPjOH5I7VrLsqDAZVg2R9Pery+BPNySu/SaI0KNc/tVynNi7spUAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T04:38:20.268409Z"},"content_sha256":"697e78b3b8b4fc3eda6e02a7094dafbba8a20f73f8ed72e1fd174d2372e46972","schema_version":"1.0","event_id":"sha256:697e78b3b8b4fc3eda6e02a7094dafbba8a20f73f8ed72e1fd174d2372e46972"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MZMFFHNZGD35NIYNGMGMTXFXQH/bundle.json","state_url":"https://pith.science/pith/MZMFFHNZGD35NIYNGMGMTXFXQH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MZMFFHNZGD35NIYNGMGMTXFXQH/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":"2026-06-07T04:38:20Z","links":{"resolver":"https://pith.science/pith/MZMFFHNZGD35NIYNGMGMTXFXQH","bundle":"https://pith.science/pith/MZMFFHNZGD35NIYNGMGMTXFXQH/bundle.json","state":"https://pith.science/pith/MZMFFHNZGD35NIYNGMGMTXFXQH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MZMFFHNZGD35NIYNGMGMTXFXQH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:MZMFFHNZGD35NIYNGMGMTXFXQH","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":"d87604a975600b1d9d7e66e626c346849ae8bd9de0b31e427ca56cb87753eb64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-26T21:00:47Z","title_canon_sha256":"96cbfa27b6f86c6bc3b3b5d58dc33432fd661f21ac54f570007c9ec621f92520"},"schema_version":"1.0","source":{"id":"1211.6122","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.6122","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"1211.6122v2","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.6122","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"MZMFFHNZGD35","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"MZMFFHNZGD35NIYN","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"MZMFFHNZ","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:697e78b3b8b4fc3eda6e02a7094dafbba8a20f73f8ed72e1fd174d2372e46972","target":"graph","created_at":"2026-05-18T02:50:32Z","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 quantify the systematics in the size-luminosity relation of galaxies in the SDSS main sample which arise from fitting different 1- and 2-component model profiles to the images. In objects brighter than L*, fitting a single Sersic profile to what is really a two-component SerExp system leads to biases: the half-light radius is increasingly overestimated as n of the fitted single component increases; it is also overestimated at B/T ~ 0.6. However, the net effect on the R-L relation is small, except for the most luminous tail, where it curves upwards towards larger sizes. We also study how thi","authors_text":"A. Meert, F. Shankar, M. Bernardi, M. Huertas-Company, R. K. Sheth, S. Mei, V. Vikram","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-26T21:00:47Z","title":"Systematic effects on the size-luminosity relation: dependence on model fitting and morphology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.6122","kind":"arxiv","version":2},"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:b4700bcea8e148ce526ba5a6bf92f5d2db96ca8ba708a21caad6100902269e76","target":"record","created_at":"2026-05-18T02:50:32Z","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":"d87604a975600b1d9d7e66e626c346849ae8bd9de0b31e427ca56cb87753eb64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-26T21:00:47Z","title_canon_sha256":"96cbfa27b6f86c6bc3b3b5d58dc33432fd661f21ac54f570007c9ec621f92520"},"schema_version":"1.0","source":{"id":"1211.6122","kind":"arxiv","version":2}},"canonical_sha256":"6658529db930f7d6a30d330cc9dcb781d639541c3c9066f9c112cd07330fac03","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6658529db930f7d6a30d330cc9dcb781d639541c3c9066f9c112cd07330fac03","first_computed_at":"2026-05-18T02:50:32.585957Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:50:32.585957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P5pN3W4BeD4RIFWjcrwrZnPGiwmtFYYtirDGUfe1vYpmgJIZUfr4AunSqpGzasZVJlJPQ2bMVysIV8fxftFMDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:50:32.586486Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.6122","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b4700bcea8e148ce526ba5a6bf92f5d2db96ca8ba708a21caad6100902269e76","sha256:697e78b3b8b4fc3eda6e02a7094dafbba8a20f73f8ed72e1fd174d2372e46972"],"state_sha256":"4c548b822a58062b865a53d23b7580164b502b0b5005c954a8067eb6bb063fa0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w0eiQUO0Ut5NT3mGawbVw8Sq3kZXzrYuJgFrMBzxfJrAc0UNOAkhFWDPbCvFTphr9siKJQRIqi+otuGxo291DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T04:38:20.270895Z","bundle_sha256":"5baf2ccd2ddd2e830d1247b907d95dc544557d6c7fcab4faee7e565d35ec0251"}}