{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:6SEEWELXOFHMQRDOGPMLPV6U4F","short_pith_number":"pith:6SEEWELX","canonical_record":{"source":{"id":"2209.12954","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-09-26T18:43:24Z","cross_cats_sorted":[],"title_canon_sha256":"5a4693c9c54162657c937a181512a2c1fb384c196d8756c38c5019425732c0e6","abstract_canon_sha256":"a676140e0f695fb60d52f154fb75b5a6b2c7f38941c304d55e549f0b55d262fc"},"schema_version":"1.0"},"canonical_sha256":"f4884b1177714ec8446e33d8b7d7d4e17f2395ccbcf41a46929cd2fe81dd5956","source":{"kind":"arxiv","id":"2209.12954","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.12954","created_at":"2026-07-05T05:34:32Z"},{"alias_kind":"arxiv_version","alias_value":"2209.12954v2","created_at":"2026-07-05T05:34:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.12954","created_at":"2026-07-05T05:34:32Z"},{"alias_kind":"pith_short_12","alias_value":"6SEEWELXOFHM","created_at":"2026-07-05T05:34:32Z"},{"alias_kind":"pith_short_16","alias_value":"6SEEWELXOFHMQRDO","created_at":"2026-07-05T05:34:32Z"},{"alias_kind":"pith_short_8","alias_value":"6SEEWELX","created_at":"2026-07-05T05:34:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:6SEEWELXOFHMQRDOGPMLPV6U4F","target":"record","payload":{"canonical_record":{"source":{"id":"2209.12954","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-09-26T18:43:24Z","cross_cats_sorted":[],"title_canon_sha256":"5a4693c9c54162657c937a181512a2c1fb384c196d8756c38c5019425732c0e6","abstract_canon_sha256":"a676140e0f695fb60d52f154fb75b5a6b2c7f38941c304d55e549f0b55d262fc"},"schema_version":"1.0"},"canonical_sha256":"f4884b1177714ec8446e33d8b7d7d4e17f2395ccbcf41a46929cd2fe81dd5956","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:34:32.993734Z","signature_b64":"1E6SRPRtJTM/cxRxp0dvDTCRoYzGMxmcbyrmNNOSIkvc6vHA5hQN4k4r25HyPHj6bbt/5G9VFvcqTxTtpfPvCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4884b1177714ec8446e33d8b7d7d4e17f2395ccbcf41a46929cd2fe81dd5956","last_reissued_at":"2026-07-05T05:34:32.993306Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:34:32.993306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2209.12954","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":"2026-07-05T05:34:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k7v1ni0Xdrr+k9Bf3ywqxjhTTYKsSdGSh0+VH8jN9/O0wkQlnvHleaqGReVjqekrx3EP2egEqPUOLjV0MaC2Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T21:52:15.278748Z"},"content_sha256":"3aa40f5161fec53be94f5b0785170ee694a5e56cb0ad10d7f650fb4ec1992023","schema_version":"1.0","event_id":"sha256:3aa40f5161fec53be94f5b0785170ee694a5e56cb0ad10d7f650fb4ec1992023"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:6SEEWELXOFHMQRDOGPMLPV6U4F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Early JWST imaging reveals strong optical and NIR color gradients in galaxies at $z\\sim2$ driven mostly by dust","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Erica J. Nelson, Gabriel Brammer, Joel Leja, John R. Weaver, Kasper E. Heintz, Katherine A. Suess, Katherine E. Whitaker, Pieter van Dokkum, Rachel Bezanson, Tim B. Miller","submitted_at":"2022-09-26T18:43:24Z","abstract_excerpt":"Recent studies have shown that galaxies at cosmic noon are redder in the center and bluer in the outskirts, mirroring results in the local universe. These color gradients could be caused by either gradients in the stellar age or dust opacity; however, distinguishing between these two causes is impossible with rest-frame optical photometry alone. Here we investigate the underlying causes of the gradients from spatially-resolved rest-frame $U-V$ vs. $V-J$ color-color diagrams, measured from early observations with the James Webb Space Telescope. We use $1\\, \\mu m - 4\\, \\mu m$ NIRCam photometry f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.12954","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/2209.12954/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":"2026-07-05T05:34:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E5Ycl7Pk13rB6eW8E/7BTbL53ObYG9Mk4GoVQY/vNeaTJE4eepYidnDlD/RC4O0S7oBdZIJPkgX+srQby5WlAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T21:52:15.279571Z"},"content_sha256":"795685742fb1ef70edb972ea37e4c59f690755b26609d531b378d8c6056c0d1b","schema_version":"1.0","event_id":"sha256:795685742fb1ef70edb972ea37e4c59f690755b26609d531b378d8c6056c0d1b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6SEEWELXOFHMQRDOGPMLPV6U4F/bundle.json","state_url":"https://pith.science/pith/6SEEWELXOFHMQRDOGPMLPV6U4F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6SEEWELXOFHMQRDOGPMLPV6U4F/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":"2026-08-11T21:52:15Z","links":{"resolver":"https://pith.science/pith/6SEEWELXOFHMQRDOGPMLPV6U4F","bundle":"https://pith.science/pith/6SEEWELXOFHMQRDOGPMLPV6U4F/bundle.json","state":"https://pith.science/pith/6SEEWELXOFHMQRDOGPMLPV6U4F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6SEEWELXOFHMQRDOGPMLPV6U4F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:6SEEWELXOFHMQRDOGPMLPV6U4F","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":"a676140e0f695fb60d52f154fb75b5a6b2c7f38941c304d55e549f0b55d262fc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-09-26T18:43:24Z","title_canon_sha256":"5a4693c9c54162657c937a181512a2c1fb384c196d8756c38c5019425732c0e6"},"schema_version":"1.0","source":{"id":"2209.12954","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.12954","created_at":"2026-07-05T05:34:32Z"},{"alias_kind":"arxiv_version","alias_value":"2209.12954v2","created_at":"2026-07-05T05:34:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.12954","created_at":"2026-07-05T05:34:32Z"},{"alias_kind":"pith_short_12","alias_value":"6SEEWELXOFHM","created_at":"2026-07-05T05:34:32Z"},{"alias_kind":"pith_short_16","alias_value":"6SEEWELXOFHMQRDO","created_at":"2026-07-05T05:34:32Z"},{"alias_kind":"pith_short_8","alias_value":"6SEEWELX","created_at":"2026-07-05T05:34:32Z"}],"graph_snapshots":[{"event_id":"sha256:795685742fb1ef70edb972ea37e4c59f690755b26609d531b378d8c6056c0d1b","target":"graph","created_at":"2026-07-05T05:34:32Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2209.12954/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent studies have shown that galaxies at cosmic noon are redder in the center and bluer in the outskirts, mirroring results in the local universe. These color gradients could be caused by either gradients in the stellar age or dust opacity; however, distinguishing between these two causes is impossible with rest-frame optical photometry alone. Here we investigate the underlying causes of the gradients from spatially-resolved rest-frame $U-V$ vs. $V-J$ color-color diagrams, measured from early observations with the James Webb Space Telescope. We use $1\\, \\mu m - 4\\, \\mu m$ NIRCam photometry f","authors_text":"Erica J. Nelson, Gabriel Brammer, Joel Leja, John R. Weaver, Kasper E. Heintz, Katherine A. Suess, Katherine E. Whitaker, Pieter van Dokkum, Rachel Bezanson, Tim B. Miller","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-09-26T18:43:24Z","title":"Early JWST imaging reveals strong optical and NIR color gradients in galaxies at $z\\sim2$ driven mostly by dust"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.12954","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":"sha256:3aa40f5161fec53be94f5b0785170ee694a5e56cb0ad10d7f650fb4ec1992023","target":"record","created_at":"2026-07-05T05:34:32Z","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":"a676140e0f695fb60d52f154fb75b5a6b2c7f38941c304d55e549f0b55d262fc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-09-26T18:43:24Z","title_canon_sha256":"5a4693c9c54162657c937a181512a2c1fb384c196d8756c38c5019425732c0e6"},"schema_version":"1.0","source":{"id":"2209.12954","kind":"arxiv","version":2}},"canonical_sha256":"f4884b1177714ec8446e33d8b7d7d4e17f2395ccbcf41a46929cd2fe81dd5956","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f4884b1177714ec8446e33d8b7d7d4e17f2395ccbcf41a46929cd2fe81dd5956","first_computed_at":"2026-07-05T05:34:32.993306Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:34:32.993306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1E6SRPRtJTM/cxRxp0dvDTCRoYzGMxmcbyrmNNOSIkvc6vHA5hQN4k4r25HyPHj6bbt/5G9VFvcqTxTtpfPvCA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:34:32.993734Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.12954","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3aa40f5161fec53be94f5b0785170ee694a5e56cb0ad10d7f650fb4ec1992023","sha256:795685742fb1ef70edb972ea37e4c59f690755b26609d531b378d8c6056c0d1b"],"state_sha256":"9ef51ec36a7e7937372d9a20777426ad4773259f1d8946aa8eb271ac8f8ccca6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MUNCjXgudEozRuKQ6nsFNP8PZuzGiD8MXiENKnyt5cF2GNCHN2WKtrXaEf/+j4knbl0ktS8N99fo7nddOp+8AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T21:52:15.285046Z","bundle_sha256":"89688d97c6f8e730e6b478fbc5352c0540941816e05a9c52d1550ee2536ee1e2"}}