{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:JXWCLNZMCBP2IWAOEHY7LGMCW3","short_pith_number":"pith:JXWCLNZM","canonical_record":{"source":{"id":"2212.07978","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-12-15T17:21:35Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"fdde1d072db6625fd3e8c7556db0e51ad0e2cf60e06a1d8ceb0c71a161ca2bb6","abstract_canon_sha256":"2d8e662bff9d71b681647f47471b7ac5d6fe79e3d9e06b45414f41bd44e206ac"},"schema_version":"1.0"},"canonical_sha256":"4dec25b72c105fa4580e21f1f59982b6d03c44f33a16878159724d1c32e4a9ba","source":{"kind":"arxiv","id":"2212.07978","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.07978","created_at":"2026-07-05T06:02:24Z"},{"alias_kind":"arxiv_version","alias_value":"2212.07978v1","created_at":"2026-07-05T06:02:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.07978","created_at":"2026-07-05T06:02:24Z"},{"alias_kind":"pith_short_12","alias_value":"JXWCLNZMCBP2","created_at":"2026-07-05T06:02:24Z"},{"alias_kind":"pith_short_16","alias_value":"JXWCLNZMCBP2IWAO","created_at":"2026-07-05T06:02:24Z"},{"alias_kind":"pith_short_8","alias_value":"JXWCLNZM","created_at":"2026-07-05T06:02:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:JXWCLNZMCBP2IWAOEHY7LGMCW3","target":"record","payload":{"canonical_record":{"source":{"id":"2212.07978","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-12-15T17:21:35Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"fdde1d072db6625fd3e8c7556db0e51ad0e2cf60e06a1d8ceb0c71a161ca2bb6","abstract_canon_sha256":"2d8e662bff9d71b681647f47471b7ac5d6fe79e3d9e06b45414f41bd44e206ac"},"schema_version":"1.0"},"canonical_sha256":"4dec25b72c105fa4580e21f1f59982b6d03c44f33a16878159724d1c32e4a9ba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:02:24.271082Z","signature_b64":"y10FtBOzDJw3VvKAeWb2lXpE3uY3C8Hi+BTE9b1kdlTMKHYeRyxqNafpg5a7s2bv10aGxi/XIiJQslRlKjpWCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4dec25b72c105fa4580e21f1f59982b6d03c44f33a16878159724d1c32e4a9ba","last_reissued_at":"2026-07-05T06:02:24.270622Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:02:24.270622Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.07978","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":"2026-07-05T06:02:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B9IveFQ2DfXzefths4hRPl9jsG9QFqQMnUvOVLZZlWEjAGOTGd0FZKGol5h7aXpWmBUSoOB198R3t+z/1ljfBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T01:30:38.610450Z"},"content_sha256":"fd0fb1f9d0ac1e1af7113aa3147497e5a2de65483ea18ea32752bc47cada48c1","schema_version":"1.0","event_id":"sha256:fd0fb1f9d0ac1e1af7113aa3147497e5a2de65483ea18ea32752bc47cada48c1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:JXWCLNZMCBP2IWAOEHY7LGMCW3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hubble Space Telescope survey of Magellanic Cloud star clusters. Photometry and astrometry of 113 clusters and early results","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Bellini, A. F. Marino, A. Mohandasan, A. P. Milone, A. Renzini, B. Hastings, C. Li, C. Wang, E. Dondoglio, E. P. Lagioia, E. Vesperini, F. D'Antona, F. Dell'Agli, G. Cordoni, G. Costa, H. Baumgardt, L. Deng, M. Bettinelli, M. Carlos, M. Di Criscienzo, M. Libralato, M. Martorano, M. Simioni, M. Tailo, M. V. Legnardi, N. Langer, P. Ventura, R. de Grijs, S. Di Stefano, S. Jang, T. Ziliotto, Y. Cavecchi","submitted_at":"2022-12-15T17:21:35Z","abstract_excerpt":"In the past years, we have undertaken an extensive investigation of LMC and SMC star clusters based on HST data. We present photometry and astrometry of stars in 101 fields observed with the WFC/ACS, UVIS/WFC3 and NIR/WFC3 cameras. These fields comprise 113 star clusters. We provide differential-reddening maps and illustrate various scientific outcomes that arise from the early inspection of the photometric catalogs. In particular, we provide new insights on the extended main-sequence turn-off (eMSTO) phenomenon: i) We detected eMSTOs in two clusters, KMHK361 and NGC265, which had no previous "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.07978","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/2212.07978/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":"2026-07-05T06:02:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZRqd+L1zt9ES1X9DNbjuF5c8RcTUcI5oFX8c4tRPCX3DD9GwqLl3OhNj9tOOQx/Qr4HF4wZizBHr/9JusnSJAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T01:30:38.611011Z"},"content_sha256":"3a61d1cec64385aad742f225085579e5ff3f19221b4dbc949253875c36c6e997","schema_version":"1.0","event_id":"sha256:3a61d1cec64385aad742f225085579e5ff3f19221b4dbc949253875c36c6e997"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JXWCLNZMCBP2IWAOEHY7LGMCW3/bundle.json","state_url":"https://pith.science/pith/JXWCLNZMCBP2IWAOEHY7LGMCW3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JXWCLNZMCBP2IWAOEHY7LGMCW3/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":"2026-08-04T01:30:38Z","links":{"resolver":"https://pith.science/pith/JXWCLNZMCBP2IWAOEHY7LGMCW3","bundle":"https://pith.science/pith/JXWCLNZMCBP2IWAOEHY7LGMCW3/bundle.json","state":"https://pith.science/pith/JXWCLNZMCBP2IWAOEHY7LGMCW3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JXWCLNZMCBP2IWAOEHY7LGMCW3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:JXWCLNZMCBP2IWAOEHY7LGMCW3","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":"2d8e662bff9d71b681647f47471b7ac5d6fe79e3d9e06b45414f41bd44e206ac","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-12-15T17:21:35Z","title_canon_sha256":"fdde1d072db6625fd3e8c7556db0e51ad0e2cf60e06a1d8ceb0c71a161ca2bb6"},"schema_version":"1.0","source":{"id":"2212.07978","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.07978","created_at":"2026-07-05T06:02:24Z"},{"alias_kind":"arxiv_version","alias_value":"2212.07978v1","created_at":"2026-07-05T06:02:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.07978","created_at":"2026-07-05T06:02:24Z"},{"alias_kind":"pith_short_12","alias_value":"JXWCLNZMCBP2","created_at":"2026-07-05T06:02:24Z"},{"alias_kind":"pith_short_16","alias_value":"JXWCLNZMCBP2IWAO","created_at":"2026-07-05T06:02:24Z"},{"alias_kind":"pith_short_8","alias_value":"JXWCLNZM","created_at":"2026-07-05T06:02:24Z"}],"graph_snapshots":[{"event_id":"sha256:3a61d1cec64385aad742f225085579e5ff3f19221b4dbc949253875c36c6e997","target":"graph","created_at":"2026-07-05T06:02:24Z","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/2212.07978/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In the past years, we have undertaken an extensive investigation of LMC and SMC star clusters based on HST data. We present photometry and astrometry of stars in 101 fields observed with the WFC/ACS, UVIS/WFC3 and NIR/WFC3 cameras. These fields comprise 113 star clusters. We provide differential-reddening maps and illustrate various scientific outcomes that arise from the early inspection of the photometric catalogs. In particular, we provide new insights on the extended main-sequence turn-off (eMSTO) phenomenon: i) We detected eMSTOs in two clusters, KMHK361 and NGC265, which had no previous ","authors_text":"A. Bellini, A. F. Marino, A. Mohandasan, A. P. Milone, A. Renzini, B. Hastings, C. Li, C. Wang, E. Dondoglio, E. P. Lagioia, E. Vesperini, F. D'Antona, F. Dell'Agli, G. Cordoni, G. Costa, H. Baumgardt, L. Deng, M. Bettinelli, M. Carlos, M. Di Criscienzo, M. Libralato, M. Martorano, M. Simioni, M. Tailo, M. V. Legnardi, N. Langer, P. Ventura, R. de Grijs, S. Di Stefano, S. Jang, T. Ziliotto, Y. Cavecchi","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-12-15T17:21:35Z","title":"Hubble Space Telescope survey of Magellanic Cloud star clusters. Photometry and astrometry of 113 clusters and early results"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.07978","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:fd0fb1f9d0ac1e1af7113aa3147497e5a2de65483ea18ea32752bc47cada48c1","target":"record","created_at":"2026-07-05T06:02:24Z","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":"2d8e662bff9d71b681647f47471b7ac5d6fe79e3d9e06b45414f41bd44e206ac","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-12-15T17:21:35Z","title_canon_sha256":"fdde1d072db6625fd3e8c7556db0e51ad0e2cf60e06a1d8ceb0c71a161ca2bb6"},"schema_version":"1.0","source":{"id":"2212.07978","kind":"arxiv","version":1}},"canonical_sha256":"4dec25b72c105fa4580e21f1f59982b6d03c44f33a16878159724d1c32e4a9ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4dec25b72c105fa4580e21f1f59982b6d03c44f33a16878159724d1c32e4a9ba","first_computed_at":"2026-07-05T06:02:24.270622Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:02:24.270622Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y10FtBOzDJw3VvKAeWb2lXpE3uY3C8Hi+BTE9b1kdlTMKHYeRyxqNafpg5a7s2bv10aGxi/XIiJQslRlKjpWCA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:02:24.271082Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.07978","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fd0fb1f9d0ac1e1af7113aa3147497e5a2de65483ea18ea32752bc47cada48c1","sha256:3a61d1cec64385aad742f225085579e5ff3f19221b4dbc949253875c36c6e997"],"state_sha256":"bae49fc2bf149db9ee55b26895466b0dda955717a8816fb0ffc13240483a2396"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"++wcqMiXrOL0F3ZPsPdoFelj+xs/e4Dp853HLlv/Kve+CzTTMLYYXVpMBL9pubK57kUzlgr/qAFXz+HzDr2PCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T01:30:38.618054Z","bundle_sha256":"71574c7505eaa3d5e3debd1bcc4a3b79f2ec32f4e9542058e072de986ef180a5"}}