{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:67CMQ5QPZQRAEN4RB6GO7YUNG3","short_pith_number":"pith:67CMQ5QP","canonical_record":{"source":{"id":"1709.00992","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-09-04T15:07:20Z","cross_cats_sorted":[],"title_canon_sha256":"e73528ca719ec5816b7f0b41e50d58b30b1c2c687f6bf9b7822e9fcf7c7a90b3","abstract_canon_sha256":"64e63c9b43dd610c3d3d8968b4072713cc03d130e43867247dcdad1e81a4307c"},"schema_version":"1.0"},"canonical_sha256":"f7c4c8760fcc220237910f8cefe28d36ded8e967fa3b9dd673f5c2a7ed34c278","source":{"kind":"arxiv","id":"1709.00992","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.00992","created_at":"2026-05-18T00:21:25Z"},{"alias_kind":"arxiv_version","alias_value":"1709.00992v1","created_at":"2026-05-18T00:21:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.00992","created_at":"2026-05-18T00:21:25Z"},{"alias_kind":"pith_short_12","alias_value":"67CMQ5QPZQRA","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"67CMQ5QPZQRAEN4R","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"67CMQ5QP","created_at":"2026-05-18T12:31:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:67CMQ5QPZQRAEN4RB6GO7YUNG3","target":"record","payload":{"canonical_record":{"source":{"id":"1709.00992","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-09-04T15:07:20Z","cross_cats_sorted":[],"title_canon_sha256":"e73528ca719ec5816b7f0b41e50d58b30b1c2c687f6bf9b7822e9fcf7c7a90b3","abstract_canon_sha256":"64e63c9b43dd610c3d3d8968b4072713cc03d130e43867247dcdad1e81a4307c"},"schema_version":"1.0"},"canonical_sha256":"f7c4c8760fcc220237910f8cefe28d36ded8e967fa3b9dd673f5c2a7ed34c278","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:21:25.482674Z","signature_b64":"8DA1OZe8O9DWQRTwIjwtJV70NpwWAlkGNNoZXDqyf4EtGgVR796aoAzfJVSuuRr+sBv9aYuORQ052YF4Hw3tCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7c4c8760fcc220237910f8cefe28d36ded8e967fa3b9dd673f5c2a7ed34c278","last_reissued_at":"2026-05-18T00:21:25.481857Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:21:25.481857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.00992","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":"2026-05-18T00:21:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t1T6kPfbrfbTLTAT8jJWGTtAcOxDx9mV1h6+uK0bhlIeWMWT329ziDHNh1ABNf+Tad/eYY9FXrTW8owt2t82BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T20:08:27.075578Z"},"content_sha256":"00d5cac34401fb48a80d2e2536c3e150d04ca5d29781b9f2cc03edd9fb859f84","schema_version":"1.0","event_id":"sha256:00d5cac34401fb48a80d2e2536c3e150d04ca5d29781b9f2cc03edd9fb859f84"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:67CMQ5QPZQRAEN4RB6GO7YUNG3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dark Energy Survey Year 1 Results: Cross-Correlation Redshifts - Methods and Systematics Characterization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Alarcon, A. A. Plazas, A. Carnero Rosell, A. E. Evrard, A. M\\\"oller, A. Roodman, A. R.Walker, B. E. Tucker, B. Flaugher, B. Hoyle, B. Jain, B. Nord, B. Zhang, C. B. D'Andrea, C. Bonnett, C. Chang, C. Davis, C. E. Cunha, C. Lidman, C. R. O'Neill, D. A. Goldstein, D. Brooks, D. Carollo, D. Gruen, D. J. James, D. L. Burke, D. L. DePoy, D. L. Tucker, D. Thomas, D. W. Gerdes, E. Gaztanaga, E. Krause, E. Macaulay, E. Rozo, E. Sanchez, E. Sheldon, E. S. Rykoff, E. Suchyta, F. J. Castander, F. Menanteau, F. Sobreira, F. Yuan, G. Gutierrez, G. Lewis, G. M. Bernstein, G. Tarle, H. Lin, I. Sevilla-Noarbe, J. Annis, J. Asorey, J. Carretero, J. DeRose, J. De Vicente, J. Frieman, J. Garc\\'ia-Bellido, J. Gschwend, J. K. Hoormann, J. L. Marshall, J. Weller, K. Bechtol, K.Glazebrook, K. Honscheid, K. Kuehn, K. Reil, L. N. da Costa, M. A. G. Maia, M. A. Troxel, M. Carrasco Kind, M. D. Johnson, M. E. C. Swanson, M. Gatti, M. Jarvis, M. Lima, M. M. Rau, M. Sako, M. Schubnell, M. Smith, M. Soares-Santos, M. W. G. Johnson, N. E. Sommer, N. Kuropatkin, N. MacCrann, P. Fosalba, P. Melchior, P. Vielzeuf, R. A. Gruendl, R. Cawthon, R. C. Nichol, R. C. Smith, R. C. Wolf, R. H. Wechsler, R. L. C. Ogando, R. Miquel, S. Allam, S. A. Uddin, S. Desai, S. Kuhlmann, S. R. Hinton, T. F. Eifler, T. Jeltema, T. M. C. Abbott, T. M. Davis, T. S. Li, V. Scarpine, V. Vikram, W. G. Hartley, W. Wester","submitted_at":"2017-09-04T15:07:20Z","abstract_excerpt":"We use numerical simulations to characterize the performance of a clustering-based method to calibrate photometric redshift biases. In particular, we cross-correlate the weak lensing (WL) source galaxies from the Dark Energy Survey Year 1 (DES Y1) sample with redMaGiC galaxies (luminous red galaxies with secure photometric redshifts) to estimate the redshift distribution of the former sample. The recovered redshift distributions are used to calibrate the photometric redshift bias of standard photo-$z$ methods applied to the same source galaxy sample. We apply the method to three photo-$z$ code"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.00992","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":"2026-05-18T00:21:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dDFi3A9wsxvwCMJipsmhlvHWTKQx9GUo+/VmZTL4JGERy9/n0JsuqcpNEiYNpzrFLtha72vQN1FRDQg4fGuKDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T20:08:27.076280Z"},"content_sha256":"527494d5668366d21ffcb9862e60af8515f5eb40672dcbf1f6a5af35c579fc72","schema_version":"1.0","event_id":"sha256:527494d5668366d21ffcb9862e60af8515f5eb40672dcbf1f6a5af35c579fc72"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/67CMQ5QPZQRAEN4RB6GO7YUNG3/bundle.json","state_url":"https://pith.science/pith/67CMQ5QPZQRAEN4RB6GO7YUNG3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/67CMQ5QPZQRAEN4RB6GO7YUNG3/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":"2026-08-16T20:08:27Z","links":{"resolver":"https://pith.science/pith/67CMQ5QPZQRAEN4RB6GO7YUNG3","bundle":"https://pith.science/pith/67CMQ5QPZQRAEN4RB6GO7YUNG3/bundle.json","state":"https://pith.science/pith/67CMQ5QPZQRAEN4RB6GO7YUNG3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/67CMQ5QPZQRAEN4RB6GO7YUNG3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:67CMQ5QPZQRAEN4RB6GO7YUNG3","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":"64e63c9b43dd610c3d3d8968b4072713cc03d130e43867247dcdad1e81a4307c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-09-04T15:07:20Z","title_canon_sha256":"e73528ca719ec5816b7f0b41e50d58b30b1c2c687f6bf9b7822e9fcf7c7a90b3"},"schema_version":"1.0","source":{"id":"1709.00992","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.00992","created_at":"2026-05-18T00:21:25Z"},{"alias_kind":"arxiv_version","alias_value":"1709.00992v1","created_at":"2026-05-18T00:21:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.00992","created_at":"2026-05-18T00:21:25Z"},{"alias_kind":"pith_short_12","alias_value":"67CMQ5QPZQRA","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"67CMQ5QPZQRAEN4R","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"67CMQ5QP","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:527494d5668366d21ffcb9862e60af8515f5eb40672dcbf1f6a5af35c579fc72","target":"graph","created_at":"2026-05-18T00:21:25Z","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 use numerical simulations to characterize the performance of a clustering-based method to calibrate photometric redshift biases. In particular, we cross-correlate the weak lensing (WL) source galaxies from the Dark Energy Survey Year 1 (DES Y1) sample with redMaGiC galaxies (luminous red galaxies with secure photometric redshifts) to estimate the redshift distribution of the former sample. The recovered redshift distributions are used to calibrate the photometric redshift bias of standard photo-$z$ methods applied to the same source galaxy sample. We apply the method to three photo-$z$ code","authors_text":"A. Alarcon, A. A. Plazas, A. Carnero Rosell, A. E. Evrard, A. M\\\"oller, A. Roodman, A. R.Walker, B. E. Tucker, B. Flaugher, B. Hoyle, B. Jain, B. Nord, B. Zhang, C. B. D'Andrea, C. Bonnett, C. Chang, C. Davis, C. E. Cunha, C. Lidman, C. R. O'Neill, D. A. Goldstein, D. Brooks, D. Carollo, D. Gruen, D. J. James, D. L. Burke, D. L. DePoy, D. L. Tucker, D. Thomas, D. W. Gerdes, E. Gaztanaga, E. Krause, E. Macaulay, E. Rozo, E. Sanchez, E. Sheldon, E. S. Rykoff, E. Suchyta, F. J. Castander, F. Menanteau, F. Sobreira, F. Yuan, G. Gutierrez, G. Lewis, G. M. Bernstein, G. Tarle, H. Lin, I. Sevilla-Noarbe, J. Annis, J. Asorey, J. Carretero, J. DeRose, J. De Vicente, J. Frieman, J. Garc\\'ia-Bellido, J. Gschwend, J. K. Hoormann, J. L. Marshall, J. Weller, K. Bechtol, K.Glazebrook, K. Honscheid, K. Kuehn, K. Reil, L. N. da Costa, M. A. G. Maia, M. A. Troxel, M. Carrasco Kind, M. D. Johnson, M. E. C. Swanson, M. Gatti, M. Jarvis, M. Lima, M. M. Rau, M. Sako, M. Schubnell, M. Smith, M. Soares-Santos, M. W. G. Johnson, N. E. Sommer, N. Kuropatkin, N. MacCrann, P. Fosalba, P. Melchior, P. Vielzeuf, R. A. Gruendl, R. Cawthon, R. C. Nichol, R. C. Smith, R. C. Wolf, R. H. Wechsler, R. L. C. Ogando, R. Miquel, S. Allam, S. A. Uddin, S. Desai, S. Kuhlmann, S. R. Hinton, T. F. Eifler, T. Jeltema, T. M. C. Abbott, T. M. Davis, T. S. Li, V. Scarpine, V. Vikram, W. G. Hartley, W. Wester","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-09-04T15:07:20Z","title":"Dark Energy Survey Year 1 Results: Cross-Correlation Redshifts - Methods and Systematics Characterization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.00992","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":"sha256:00d5cac34401fb48a80d2e2536c3e150d04ca5d29781b9f2cc03edd9fb859f84","target":"record","created_at":"2026-05-18T00:21:25Z","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":"64e63c9b43dd610c3d3d8968b4072713cc03d130e43867247dcdad1e81a4307c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-09-04T15:07:20Z","title_canon_sha256":"e73528ca719ec5816b7f0b41e50d58b30b1c2c687f6bf9b7822e9fcf7c7a90b3"},"schema_version":"1.0","source":{"id":"1709.00992","kind":"arxiv","version":1}},"canonical_sha256":"f7c4c8760fcc220237910f8cefe28d36ded8e967fa3b9dd673f5c2a7ed34c278","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7c4c8760fcc220237910f8cefe28d36ded8e967fa3b9dd673f5c2a7ed34c278","first_computed_at":"2026-05-18T00:21:25.481857Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:21:25.481857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8DA1OZe8O9DWQRTwIjwtJV70NpwWAlkGNNoZXDqyf4EtGgVR796aoAzfJVSuuRr+sBv9aYuORQ052YF4Hw3tCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:21:25.482674Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.00992","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:00d5cac34401fb48a80d2e2536c3e150d04ca5d29781b9f2cc03edd9fb859f84","sha256:527494d5668366d21ffcb9862e60af8515f5eb40672dcbf1f6a5af35c579fc72"],"state_sha256":"09751cbc9cc790cd009cb219113c8cad2f7f095e398fa506d10c4b491e79e71e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JQrupecL4PFgxVVj/n18EFATNmhSgZv7K4WeB05Fractzfr7gU0IfAVaxPCmbSgFJaJl79rJAuLgqWsFD214Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T20:08:27.081458Z","bundle_sha256":"29d77c8cdca142a6307956888e8b1d76c5df31a17d037f3d4379cab8cbcb1127"}}