{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:KWB7QTAWCGA5MBSHCMTBDSBTXU","short_pith_number":"pith:KWB7QTAW","canonical_record":{"source":{"id":"2304.05076","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-11T09:19:46Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"3285da1652fb792c5678293e2535e5e0d49ace1c00cd4e261f3be3488482040f","abstract_canon_sha256":"289cdf15bc1ac8b37f13891d4193fb5890235403aebae913e0e3f3141e5c681a"},"schema_version":"1.0"},"canonical_sha256":"5583f84c161181d60647132611c833bd03d363330ab756a750a8305c9fa14106","source":{"kind":"arxiv","id":"2304.05076","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.05076","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"arxiv_version","alias_value":"2304.05076v1","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.05076","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"pith_short_12","alias_value":"KWB7QTAWCGA5","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"pith_short_16","alias_value":"KWB7QTAWCGA5MBSH","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"pith_short_8","alias_value":"KWB7QTAW","created_at":"2026-07-05T06:02:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:KWB7QTAWCGA5MBSHCMTBDSBTXU","target":"record","payload":{"canonical_record":{"source":{"id":"2304.05076","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-11T09:19:46Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"3285da1652fb792c5678293e2535e5e0d49ace1c00cd4e261f3be3488482040f","abstract_canon_sha256":"289cdf15bc1ac8b37f13891d4193fb5890235403aebae913e0e3f3141e5c681a"},"schema_version":"1.0"},"canonical_sha256":"5583f84c161181d60647132611c833bd03d363330ab756a750a8305c9fa14106","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:02:09.752840Z","signature_b64":"WP4qOBDzwIZMen612fIKGdoyBUb80mIWdxq3Z9757+BC3SpOseBtT9OGHsSiichOKnK7d48SeAueAwAnXZkKBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5583f84c161181d60647132611c833bd03d363330ab756a750a8305c9fa14106","last_reissued_at":"2026-07-05T06:02:09.752449Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:02:09.752449Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2304.05076","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":"2026-07-05T06:02:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3YUydoWeFzCopHuN6RQxgia7tzYFSbhyPz5JkjCs6plESZr+P7i4xzWa7NpykTvslbTbfmVNlWIxLmO0SwMCCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T12:53:24.010295Z"},"content_sha256":"ef55ddc2ae1d02eabd4d4d21cd82f4ca5ec9b05f97b184ac25b2d3cb862d94aa","schema_version":"1.0","event_id":"sha256:ef55ddc2ae1d02eabd4d4d21cd82f4ca5ec9b05f97b184ac25b2d3cb862d94aa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:KWB7QTAWCGA5MBSHCMTBDSBTXU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Differential reddening in the direction of 56 Galactic globular clusters","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. F. Marino, A. Mohandasan, A. P. Milone, E. Dondoglio, E. P. Lagioia, G. Cordoni, M. V. Legnardi, S. Jang, T. Ziliotto","submitted_at":"2023-04-11T09:19:46Z","abstract_excerpt":"The presence of differential reddening in the direction of Galactic globular clusters (GCs) has proven to be a serious limitation in the traditional colour-magnitude diagram (CMD) analysis. Here, we estimate local reddening variations in the direction of 56 Galactic GCs. To do that, we use the public catalogs derived as part of the Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters, which include photometry in the F275W, F336W, F438W, F606W, and F814W filters. We correct photometry for differential reddening finding that for 21 out of 56 GCs the adopted correction procedure "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.05076","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2304.05076/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":"2026-07-05T06:02:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fxOXnpnvzI3szqzWnAWCaLvRo0rl0p9ArAlevEvIxN0EcfVt8tIpT7xRDUp7xOKnrbvraZgYItzx1at4Ga2IDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T12:53:24.010982Z"},"content_sha256":"bd6f4273ea360cc756f5b9fc67d7f2c15bddb743a645f0aeae6bfab6efabeaf7","schema_version":"1.0","event_id":"sha256:bd6f4273ea360cc756f5b9fc67d7f2c15bddb743a645f0aeae6bfab6efabeaf7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KWB7QTAWCGA5MBSHCMTBDSBTXU/bundle.json","state_url":"https://pith.science/pith/KWB7QTAWCGA5MBSHCMTBDSBTXU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KWB7QTAWCGA5MBSHCMTBDSBTXU/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":"2026-08-21T12:53:24Z","links":{"resolver":"https://pith.science/pith/KWB7QTAWCGA5MBSHCMTBDSBTXU","bundle":"https://pith.science/pith/KWB7QTAWCGA5MBSHCMTBDSBTXU/bundle.json","state":"https://pith.science/pith/KWB7QTAWCGA5MBSHCMTBDSBTXU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KWB7QTAWCGA5MBSHCMTBDSBTXU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:KWB7QTAWCGA5MBSHCMTBDSBTXU","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":"289cdf15bc1ac8b37f13891d4193fb5890235403aebae913e0e3f3141e5c681a","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-11T09:19:46Z","title_canon_sha256":"3285da1652fb792c5678293e2535e5e0d49ace1c00cd4e261f3be3488482040f"},"schema_version":"1.0","source":{"id":"2304.05076","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.05076","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"arxiv_version","alias_value":"2304.05076v1","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.05076","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"pith_short_12","alias_value":"KWB7QTAWCGA5","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"pith_short_16","alias_value":"KWB7QTAWCGA5MBSH","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"pith_short_8","alias_value":"KWB7QTAW","created_at":"2026-07-05T06:02:09Z"}],"graph_snapshots":[{"event_id":"sha256:bd6f4273ea360cc756f5b9fc67d7f2c15bddb743a645f0aeae6bfab6efabeaf7","target":"graph","created_at":"2026-07-05T06:02:09Z","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/2304.05076/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The presence of differential reddening in the direction of Galactic globular clusters (GCs) has proven to be a serious limitation in the traditional colour-magnitude diagram (CMD) analysis. Here, we estimate local reddening variations in the direction of 56 Galactic GCs. To do that, we use the public catalogs derived as part of the Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters, which include photometry in the F275W, F336W, F438W, F606W, and F814W filters. We correct photometry for differential reddening finding that for 21 out of 56 GCs the adopted correction procedure ","authors_text":"A. F. Marino, A. Mohandasan, A. P. Milone, E. Dondoglio, E. P. Lagioia, G. Cordoni, M. V. Legnardi, S. Jang, T. Ziliotto","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-11T09:19:46Z","title":"Differential reddening in the direction of 56 Galactic globular clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.05076","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:ef55ddc2ae1d02eabd4d4d21cd82f4ca5ec9b05f97b184ac25b2d3cb862d94aa","target":"record","created_at":"2026-07-05T06:02:09Z","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":"289cdf15bc1ac8b37f13891d4193fb5890235403aebae913e0e3f3141e5c681a","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-11T09:19:46Z","title_canon_sha256":"3285da1652fb792c5678293e2535e5e0d49ace1c00cd4e261f3be3488482040f"},"schema_version":"1.0","source":{"id":"2304.05076","kind":"arxiv","version":1}},"canonical_sha256":"5583f84c161181d60647132611c833bd03d363330ab756a750a8305c9fa14106","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5583f84c161181d60647132611c833bd03d363330ab756a750a8305c9fa14106","first_computed_at":"2026-07-05T06:02:09.752449Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:02:09.752449Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WP4qOBDzwIZMen612fIKGdoyBUb80mIWdxq3Z9757+BC3SpOseBtT9OGHsSiichOKnK7d48SeAueAwAnXZkKBg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:02:09.752840Z","signed_message":"canonical_sha256_bytes"},"source_id":"2304.05076","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef55ddc2ae1d02eabd4d4d21cd82f4ca5ec9b05f97b184ac25b2d3cb862d94aa","sha256:bd6f4273ea360cc756f5b9fc67d7f2c15bddb743a645f0aeae6bfab6efabeaf7"],"state_sha256":"51dc94ad627940e5731a3af0f36ccad1299d652dff24faadacdc499f30663c56"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kg3gs8eXXKL2N7wn5yetoN3KTZDMvPaFXa/yXNObnljiPqnDlDNSGMCKH9EHFIrAJ0wtba0ZsxUBJid19ralAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T12:53:24.018791Z","bundle_sha256":"49072c0e8a3b4541227e4f3dcb0fc2d4dde7a704609a9cd2aa5578d577ec6a8b"}}