{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:Q7J4E7PYUNW4EMWPYUKK242O2U","short_pith_number":"pith:Q7J4E7PY","canonical_record":{"source":{"id":"2012.08567","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-12-15T19:30:43Z","cross_cats_sorted":[],"title_canon_sha256":"863f44167401734fc4f6edb88692b0f6ba30525d983240f77d15ea771dd3a773","abstract_canon_sha256":"cadd26b07dd8da1f016e3e27deb7986a611c2f7e22d0b308ba764aac13fb55c0"},"schema_version":"1.0"},"canonical_sha256":"87d3c27df8a36dc232cfc514ad734ed5344406f954f86cb96791c31ce6f79375","source":{"kind":"arxiv","id":"2012.08567","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.08567","created_at":"2026-07-05T03:51:41Z"},{"alias_kind":"arxiv_version","alias_value":"2012.08567v2","created_at":"2026-07-05T03:51:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.08567","created_at":"2026-07-05T03:51:41Z"},{"alias_kind":"pith_short_12","alias_value":"Q7J4E7PYUNW4","created_at":"2026-07-05T03:51:41Z"},{"alias_kind":"pith_short_16","alias_value":"Q7J4E7PYUNW4EMWP","created_at":"2026-07-05T03:51:41Z"},{"alias_kind":"pith_short_8","alias_value":"Q7J4E7PY","created_at":"2026-07-05T03:51:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:Q7J4E7PYUNW4EMWPYUKK242O2U","target":"record","payload":{"canonical_record":{"source":{"id":"2012.08567","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-12-15T19:30:43Z","cross_cats_sorted":[],"title_canon_sha256":"863f44167401734fc4f6edb88692b0f6ba30525d983240f77d15ea771dd3a773","abstract_canon_sha256":"cadd26b07dd8da1f016e3e27deb7986a611c2f7e22d0b308ba764aac13fb55c0"},"schema_version":"1.0"},"canonical_sha256":"87d3c27df8a36dc232cfc514ad734ed5344406f954f86cb96791c31ce6f79375","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:51:41.924612Z","signature_b64":"cmL8ShAJcUm54ub+yXJ9zX0B+f8TW76nv6BbSthf4OXUKDV+jDwZtMnh9sKNFWCiAWEdL3YTTpaQ7LZAzNJ6AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"87d3c27df8a36dc232cfc514ad734ed5344406f954f86cb96791c31ce6f79375","last_reissued_at":"2026-07-05T03:51:41.924114Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:51:41.924114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.08567","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":"2026-07-05T03:51:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rS/GKZ57DwaWlWVnd/KnwnMQUAEkq4fAGv1XfkWdy2T3WZDCLiKr4h3OD+fA4HAdRwRcP4d0C4CXr78G7qoFBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:12:47.414221Z"},"content_sha256":"ddfdf0c2d33d7151e2cfff3e4eb6ed472a207109b87d66d08dc8fe24d848f1fa","schema_version":"1.0","event_id":"sha256:ddfdf0c2d33d7151e2cfff3e4eb6ed472a207109b87d66d08dc8fe24d848f1fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:Q7J4E7PYUNW4EMWPYUKK242O2U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"DES Y3 results: Blending shear and redshift biases in image simulations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Alarcon, A. Amon, A. A. Plazas, A. Carnero Rosell, A. Choi, A. Fert\\'e, A. Palmese, A. Pieres, A. Roodman, B. Flaugher, B. Yanny, C. S\\'anchez, C. To, D. Bacon, D. Brooks, D. Gruen, D. J. James, D. L. Burke, D. L. Hollowood, D. Thomas, D. W. Gerdes, E. Bertin, E. Gaztanaga, E. M. Huff, E. Sanchez, E. Sheldon, E. Suchyta, F. Menanteau, F. Paz-Chinch\\'on, F. Tarsitano, G. Gutierrez, G. M. Bernstein, G. Tarle, H. T. Diehl, I. Ferrero, I. Harrison, I. Sevilla-Noarbe, J. Annis, J. Carretero, J. De Vicente, J. Frieman, J. Garc\\'ia-Bellido, J. Gschwend, J. J. Mohr, J. L. Marshall, J. McCullough, J. Muir, J. Myles, J. P. Dietrich, J. Zuntz, K. Eckert, K. Herner, K. Honscheid, L. F. Secco, M. A. G. Maia, M. Aguena, M. A. Troxel, M. Carrasco Kind, M. Costanzi, M. Crocce, M. E. C. Swanson, M. E. S. Pereira, M. Gatti, M. Jarvis, M. Lima, M. March, M. R. Becker, M. Rodriguez-Monroy, M. Smith, M. Soares-Santos, N. MacCrann, O. Lahav, P. Doel, P. Fosalba, P. Martini, P. Melchior, R. A. Gruendl, R.D. Wilkinson, R. L. C. Ogando, R. Miquel, R. Morgan, R. P. Rollins, S. Allam, S. Desai, S. Dodelson, S. Everett, S. L. Bridle, S. R. Hinton, S. Samuroff, S. Serrano, T. F. Eifler, T. Giannantonio, T. M. C. Abbott, T. N. Varga, V. Scarpine, W. G. Hartley","submitted_at":"2020-12-15T19:30:43Z","abstract_excerpt":"As the statistical power of galaxy weak lensing reaches percent level precision, large, realistic and robust simulations are required to calibrate observational systematics, especially given the increased importance of object blending as survey depths increase. To capture the coupled effects of blending in both shear and photometric redshift calibration, we define the effective redshift distribution for lensing, $n_{\\gamma}(z)$, and describe how to estimate it using image simulations. We use an extensive suite of tailored image simulations to characterize the performance of the shear estimatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.08567","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2012.08567/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":"2026-07-05T03:51:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J8KD565veqozjcjJl/LkaiG+3rMPL8FFs6gryvrDnikOjKXWfU6RlGBD+JYYii829LlGnnM9inFo+obct+0RCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:12:47.414621Z"},"content_sha256":"6827eedbdfad8ffc39648362dce1157cc59bdbe7235c72c54bfa80175c1eb8d2","schema_version":"1.0","event_id":"sha256:6827eedbdfad8ffc39648362dce1157cc59bdbe7235c72c54bfa80175c1eb8d2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q7J4E7PYUNW4EMWPYUKK242O2U/bundle.json","state_url":"https://pith.science/pith/Q7J4E7PYUNW4EMWPYUKK242O2U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q7J4E7PYUNW4EMWPYUKK242O2U/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":"2026-07-05T12:12:47Z","links":{"resolver":"https://pith.science/pith/Q7J4E7PYUNW4EMWPYUKK242O2U","bundle":"https://pith.science/pith/Q7J4E7PYUNW4EMWPYUKK242O2U/bundle.json","state":"https://pith.science/pith/Q7J4E7PYUNW4EMWPYUKK242O2U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q7J4E7PYUNW4EMWPYUKK242O2U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:Q7J4E7PYUNW4EMWPYUKK242O2U","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":"cadd26b07dd8da1f016e3e27deb7986a611c2f7e22d0b308ba764aac13fb55c0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-12-15T19:30:43Z","title_canon_sha256":"863f44167401734fc4f6edb88692b0f6ba30525d983240f77d15ea771dd3a773"},"schema_version":"1.0","source":{"id":"2012.08567","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.08567","created_at":"2026-07-05T03:51:41Z"},{"alias_kind":"arxiv_version","alias_value":"2012.08567v2","created_at":"2026-07-05T03:51:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.08567","created_at":"2026-07-05T03:51:41Z"},{"alias_kind":"pith_short_12","alias_value":"Q7J4E7PYUNW4","created_at":"2026-07-05T03:51:41Z"},{"alias_kind":"pith_short_16","alias_value":"Q7J4E7PYUNW4EMWP","created_at":"2026-07-05T03:51:41Z"},{"alias_kind":"pith_short_8","alias_value":"Q7J4E7PY","created_at":"2026-07-05T03:51:41Z"}],"graph_snapshots":[{"event_id":"sha256:6827eedbdfad8ffc39648362dce1157cc59bdbe7235c72c54bfa80175c1eb8d2","target":"graph","created_at":"2026-07-05T03:51:41Z","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/2012.08567/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"As the statistical power of galaxy weak lensing reaches percent level precision, large, realistic and robust simulations are required to calibrate observational systematics, especially given the increased importance of object blending as survey depths increase. To capture the coupled effects of blending in both shear and photometric redshift calibration, we define the effective redshift distribution for lensing, $n_{\\gamma}(z)$, and describe how to estimate it using image simulations. We use an extensive suite of tailored image simulations to characterize the performance of the shear estimatio","authors_text":"A. Alarcon, A. Amon, A. A. Plazas, A. Carnero Rosell, A. Choi, A. Fert\\'e, A. Palmese, A. Pieres, A. Roodman, B. Flaugher, B. Yanny, C. S\\'anchez, C. To, D. Bacon, D. Brooks, D. Gruen, D. J. James, D. L. Burke, D. L. Hollowood, D. Thomas, D. W. Gerdes, E. Bertin, E. Gaztanaga, E. M. Huff, E. Sanchez, E. Sheldon, E. Suchyta, F. Menanteau, F. Paz-Chinch\\'on, F. Tarsitano, G. Gutierrez, G. M. Bernstein, G. Tarle, H. T. Diehl, I. Ferrero, I. Harrison, I. Sevilla-Noarbe, J. Annis, J. Carretero, J. De Vicente, J. Frieman, J. Garc\\'ia-Bellido, J. Gschwend, J. J. Mohr, J. L. Marshall, J. McCullough, J. Muir, J. Myles, J. P. Dietrich, J. Zuntz, K. Eckert, K. Herner, K. Honscheid, L. F. Secco, M. A. G. Maia, M. Aguena, M. A. Troxel, M. Carrasco Kind, M. Costanzi, M. Crocce, M. E. C. Swanson, M. E. S. Pereira, M. Gatti, M. Jarvis, M. Lima, M. March, M. R. Becker, M. Rodriguez-Monroy, M. Smith, M. Soares-Santos, N. MacCrann, O. Lahav, P. Doel, P. Fosalba, P. Martini, P. Melchior, R. A. Gruendl, R.D. Wilkinson, R. L. C. Ogando, R. Miquel, R. Morgan, R. P. Rollins, S. Allam, S. Desai, S. Dodelson, S. Everett, S. L. Bridle, S. R. Hinton, S. Samuroff, S. Serrano, T. F. Eifler, T. Giannantonio, T. M. C. Abbott, T. N. Varga, V. Scarpine, W. G. Hartley","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-12-15T19:30:43Z","title":"DES Y3 results: Blending shear and redshift biases in image simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.08567","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:ddfdf0c2d33d7151e2cfff3e4eb6ed472a207109b87d66d08dc8fe24d848f1fa","target":"record","created_at":"2026-07-05T03:51:41Z","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":"cadd26b07dd8da1f016e3e27deb7986a611c2f7e22d0b308ba764aac13fb55c0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-12-15T19:30:43Z","title_canon_sha256":"863f44167401734fc4f6edb88692b0f6ba30525d983240f77d15ea771dd3a773"},"schema_version":"1.0","source":{"id":"2012.08567","kind":"arxiv","version":2}},"canonical_sha256":"87d3c27df8a36dc232cfc514ad734ed5344406f954f86cb96791c31ce6f79375","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"87d3c27df8a36dc232cfc514ad734ed5344406f954f86cb96791c31ce6f79375","first_computed_at":"2026-07-05T03:51:41.924114Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:51:41.924114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cmL8ShAJcUm54ub+yXJ9zX0B+f8TW76nv6BbSthf4OXUKDV+jDwZtMnh9sKNFWCiAWEdL3YTTpaQ7LZAzNJ6AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:51:41.924612Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.08567","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ddfdf0c2d33d7151e2cfff3e4eb6ed472a207109b87d66d08dc8fe24d848f1fa","sha256:6827eedbdfad8ffc39648362dce1157cc59bdbe7235c72c54bfa80175c1eb8d2"],"state_sha256":"8da4fc29c8f1c8f977a0d01735d61497e0f01e24872ffb0f049cf9bbef81a08b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gLOgId2TorFDKnEcZxK5TLgRc2TiKSoXXEDaSaZ73qVoyCzMoxZM9pp4SzLZwO1zmiW+vu2JYfNmiKZe86uABA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T12:12:47.416777Z","bundle_sha256":"66fbf5df848254179ca962195fbee0b5abd1d54708a6f3dbd9f4a4fdd5c5f474"}}