{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:FWYAYBT2JHOG23QU5UFSBUUZ7M","short_pith_number":"pith:FWYAYBT2","canonical_record":{"source":{"id":"2501.06532","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-01-11T12:42:07Z","cross_cats_sorted":["astro-ph.CO","cs.AI"],"title_canon_sha256":"e6acb83e3dd8f2be8e5f3636e6b445c258eb072a6ad32b50d039aaf845414352","abstract_canon_sha256":"a260f2a1f08c4b689a6ec0b90cd41b46ee87371d2d4bbdfc32b22978c5c8e9bb"},"schema_version":"1.0"},"canonical_sha256":"2db00c067a49dc6d6e14ed0b20d299fb22066051ef32b2930a7334a90a340867","source":{"kind":"arxiv","id":"2501.06532","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.06532","created_at":"2026-07-05T11:38:26Z"},{"alias_kind":"arxiv_version","alias_value":"2501.06532v3","created_at":"2026-07-05T11:38:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.06532","created_at":"2026-07-05T11:38:26Z"},{"alias_kind":"pith_short_12","alias_value":"FWYAYBT2JHOG","created_at":"2026-07-05T11:38:26Z"},{"alias_kind":"pith_short_16","alias_value":"FWYAYBT2JHOG23QU","created_at":"2026-07-05T11:38:26Z"},{"alias_kind":"pith_short_8","alias_value":"FWYAYBT2","created_at":"2026-07-05T11:38:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:FWYAYBT2JHOG23QU5UFSBUUZ7M","target":"record","payload":{"canonical_record":{"source":{"id":"2501.06532","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-01-11T12:42:07Z","cross_cats_sorted":["astro-ph.CO","cs.AI"],"title_canon_sha256":"e6acb83e3dd8f2be8e5f3636e6b445c258eb072a6ad32b50d039aaf845414352","abstract_canon_sha256":"a260f2a1f08c4b689a6ec0b90cd41b46ee87371d2d4bbdfc32b22978c5c8e9bb"},"schema_version":"1.0"},"canonical_sha256":"2db00c067a49dc6d6e14ed0b20d299fb22066051ef32b2930a7334a90a340867","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:38:26.374214Z","signature_b64":"TFgtEMFXaudlPrRQ1/2WiNy2jRMy/2MpGNn50Vd81uxsVYgpV+ClZ12aAT9CvuBvaY1FYgoFXUM68eOYPx4bCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2db00c067a49dc6d6e14ed0b20d299fb22066051ef32b2930a7334a90a340867","last_reissued_at":"2026-07-05T11:38:26.373699Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:38:26.373699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.06532","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:38:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ddwo93ByWclo3u+7zZP3/Carg6OjDsk4vyjf1o0VNP78GpGLLPqKAVUb6Ct9xD1/mwMSrUUE4qP5qDGXRz/JAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T05:03:07.026231Z"},"content_sha256":"d2af48a80ecff570c659d4c9df78813e52c873dcab814289de84bf00616515b8","schema_version":"1.0","event_id":"sha256:d2af48a80ecff570c659d4c9df78813e52c873dcab814289de84bf00616515b8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:FWYAYBT2JHOG23QU5UFSBUUZ7M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Determination of galaxy photometric redshifts using Conditional Generative Adversarial Networks (CGANs)","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.CO","cs.AI"],"primary_cat":"astro-ph.IM","authors_text":"M. Garcia-Fernandez","submitted_at":"2025-01-11T12:42:07Z","abstract_excerpt":"Accurate and reliable photometric redshift determination is one of the key aspects for wide-field photometric surveys. Determination of photometric redshift for galaxies, has been traditionally solved by use of machine-learning and artificial intelligence techniques trained on a calibration sample of galaxies, where both photometry and spectrometry are available. On this paper, we present a new algorithmic approach for determining photometric redshifts of galaxies using Conditional Generative Adversarial Networks (CGANs). The proposed implementation is able to determine both point-estimation a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.06532","kind":"arxiv","version":3},"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/2501.06532/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":"2026-07-05T11:38:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KRWKGirX7WAHhatKeHOucZwT8DN9WkJ7wf+6zFXZNIpVSmQAP9ssprg8j7D8Yu5H5ZM1F3Ih/s39s3VUkFeSDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T05:03:07.027192Z"},"content_sha256":"0bb837cc685d2ab488776a077ee7f4fe0b2b84309a9a90246495e6585b7cdbf7","schema_version":"1.0","event_id":"sha256:0bb837cc685d2ab488776a077ee7f4fe0b2b84309a9a90246495e6585b7cdbf7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FWYAYBT2JHOG23QU5UFSBUUZ7M/bundle.json","state_url":"https://pith.science/pith/FWYAYBT2JHOG23QU5UFSBUUZ7M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FWYAYBT2JHOG23QU5UFSBUUZ7M/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":"2026-08-12T05:03:07Z","links":{"resolver":"https://pith.science/pith/FWYAYBT2JHOG23QU5UFSBUUZ7M","bundle":"https://pith.science/pith/FWYAYBT2JHOG23QU5UFSBUUZ7M/bundle.json","state":"https://pith.science/pith/FWYAYBT2JHOG23QU5UFSBUUZ7M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FWYAYBT2JHOG23QU5UFSBUUZ7M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:FWYAYBT2JHOG23QU5UFSBUUZ7M","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":"a260f2a1f08c4b689a6ec0b90cd41b46ee87371d2d4bbdfc32b22978c5c8e9bb","cross_cats_sorted":["astro-ph.CO","cs.AI"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-01-11T12:42:07Z","title_canon_sha256":"e6acb83e3dd8f2be8e5f3636e6b445c258eb072a6ad32b50d039aaf845414352"},"schema_version":"1.0","source":{"id":"2501.06532","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.06532","created_at":"2026-07-05T11:38:26Z"},{"alias_kind":"arxiv_version","alias_value":"2501.06532v3","created_at":"2026-07-05T11:38:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.06532","created_at":"2026-07-05T11:38:26Z"},{"alias_kind":"pith_short_12","alias_value":"FWYAYBT2JHOG","created_at":"2026-07-05T11:38:26Z"},{"alias_kind":"pith_short_16","alias_value":"FWYAYBT2JHOG23QU","created_at":"2026-07-05T11:38:26Z"},{"alias_kind":"pith_short_8","alias_value":"FWYAYBT2","created_at":"2026-07-05T11:38:26Z"}],"graph_snapshots":[{"event_id":"sha256:0bb837cc685d2ab488776a077ee7f4fe0b2b84309a9a90246495e6585b7cdbf7","target":"graph","created_at":"2026-07-05T11:38:26Z","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/2501.06532/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Accurate and reliable photometric redshift determination is one of the key aspects for wide-field photometric surveys. Determination of photometric redshift for galaxies, has been traditionally solved by use of machine-learning and artificial intelligence techniques trained on a calibration sample of galaxies, where both photometry and spectrometry are available. On this paper, we present a new algorithmic approach for determining photometric redshifts of galaxies using Conditional Generative Adversarial Networks (CGANs). The proposed implementation is able to determine both point-estimation a","authors_text":"M. Garcia-Fernandez","cross_cats":["astro-ph.CO","cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-01-11T12:42:07Z","title":"Determination of galaxy photometric redshifts using Conditional Generative Adversarial Networks (CGANs)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.06532","kind":"arxiv","version":3},"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:d2af48a80ecff570c659d4c9df78813e52c873dcab814289de84bf00616515b8","target":"record","created_at":"2026-07-05T11:38:26Z","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":"a260f2a1f08c4b689a6ec0b90cd41b46ee87371d2d4bbdfc32b22978c5c8e9bb","cross_cats_sorted":["astro-ph.CO","cs.AI"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-01-11T12:42:07Z","title_canon_sha256":"e6acb83e3dd8f2be8e5f3636e6b445c258eb072a6ad32b50d039aaf845414352"},"schema_version":"1.0","source":{"id":"2501.06532","kind":"arxiv","version":3}},"canonical_sha256":"2db00c067a49dc6d6e14ed0b20d299fb22066051ef32b2930a7334a90a340867","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2db00c067a49dc6d6e14ed0b20d299fb22066051ef32b2930a7334a90a340867","first_computed_at":"2026-07-05T11:38:26.373699Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:38:26.373699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TFgtEMFXaudlPrRQ1/2WiNy2jRMy/2MpGNn50Vd81uxsVYgpV+ClZ12aAT9CvuBvaY1FYgoFXUM68eOYPx4bCA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:38:26.374214Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.06532","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d2af48a80ecff570c659d4c9df78813e52c873dcab814289de84bf00616515b8","sha256:0bb837cc685d2ab488776a077ee7f4fe0b2b84309a9a90246495e6585b7cdbf7"],"state_sha256":"092febf1f0b6709a9c6023496b331a7ec03cca1893c0ea4c5ed00a82c02f5fa8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wcFIfw+Gxh7lvBGGn+rDeLH3cxQbmKwhV2/Bv51dSwhdR+j0soZ1T5+35bx/8iXVPGPm1c9ZW1e0nHtrLEJSCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T05:03:07.033575Z","bundle_sha256":"d9f8ed974d6b32be2514cdd2ded0f5f91b55cd594962321501235f95458a388d"}}