{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:JR53KCAQHHNZ2RD4I2Y2GLDGUD","short_pith_number":"pith:JR53KCAQ","canonical_record":{"source":{"id":"2501.04979","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-09T05:27:15Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"1fb1215746ba509d9c146e689db4f901449c3e6dec543ddf2cb4d5d40159047e","abstract_canon_sha256":"762103c12f507aaba88cc5239bc53ad0b6f652e5e1dbd55cffa25a4d947240ab"},"schema_version":"1.0"},"canonical_sha256":"4c7bb5081039db9d447c46b1a32c66a0e825341853daba9beab0047b1078ce9b","source":{"kind":"arxiv","id":"2501.04979","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.04979","created_at":"2026-07-05T09:58:49Z"},{"alias_kind":"arxiv_version","alias_value":"2501.04979v1","created_at":"2026-07-05T09:58:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.04979","created_at":"2026-07-05T09:58:49Z"},{"alias_kind":"pith_short_12","alias_value":"JR53KCAQHHNZ","created_at":"2026-07-05T09:58:49Z"},{"alias_kind":"pith_short_16","alias_value":"JR53KCAQHHNZ2RD4","created_at":"2026-07-05T09:58:49Z"},{"alias_kind":"pith_short_8","alias_value":"JR53KCAQ","created_at":"2026-07-05T09:58:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:JR53KCAQHHNZ2RD4I2Y2GLDGUD","target":"record","payload":{"canonical_record":{"source":{"id":"2501.04979","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-09T05:27:15Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"1fb1215746ba509d9c146e689db4f901449c3e6dec543ddf2cb4d5d40159047e","abstract_canon_sha256":"762103c12f507aaba88cc5239bc53ad0b6f652e5e1dbd55cffa25a4d947240ab"},"schema_version":"1.0"},"canonical_sha256":"4c7bb5081039db9d447c46b1a32c66a0e825341853daba9beab0047b1078ce9b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:58:49.479920Z","signature_b64":"ryR6TQkm9a/RL/C0T60MywDJ66/AxAC/GaO/ZlfUncpbQpMJTu1rzZmdqX8Usj4ybJumbPu0Jex7/P6AJxfbDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c7bb5081039db9d447c46b1a32c66a0e825341853daba9beab0047b1078ce9b","last_reissued_at":"2026-07-05T09:58:49.479452Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:58:49.479452Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.04979","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":"2026-07-05T09:58:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r2H38uEjJKRF/nR91cchVKGMY/jphJA0Naf9Gw6L+5KF632qDbTTUIg3Pu/i6tmfu1K3qqEM46HQ3bb9mZB3Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T08:26:20.518960Z"},"content_sha256":"31cb21ab008c343882ce883c5005cc116a25de1cb839ec9939bb3f039c5c41da","schema_version":"1.0","event_id":"sha256:31cb21ab008c343882ce883c5005cc116a25de1cb839ec9939bb3f039c5c41da"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:JR53KCAQHHNZ2RD4I2Y2GLDGUD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multiple Populations of the Large Magellanic Cloud Globular Cluster NGC 2257: No Major Environmental Effect on the Formation of Multiple Populations of the Old Globular Clusters in Large Magellanic Cloud","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Francesco di Mille, Hak-Sub Kim, Hwihyun Kim, Hyun-Il Sung, Jae-Woo Lee, Tae-Hyeong Kim","submitted_at":"2025-01-09T05:27:15Z","abstract_excerpt":"How the environment of the host galaxy affects the formation of multiple populations (MPs) in globular clusters (GCs) is one of the outstanding questions in the near-field cosmology. To understand the true nature of the old GC MPs in the Large Magellanic Cloud (LMC), we study the Ca--CN--CH photometry of the old metal-poor LMC GC NGC 2257. We find the predominantly FG-dominated populational number ratio of $n$(FG):$n$(SG) = 61:39($\\pm$4), where the FG and SG denote the first and second generations. Both the FG and SG have similar cumulative radial distributions, consistent with the idea that N"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.04979","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/2501.04979/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":"2026-07-05T09:58:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WHiWVxZSirXktFtLq4/Bed+//hdKW7hIld7mhRrE+AVYDbEEuORpSLDN0qZBZgrWmrA5iY4/W3RAhAuUkh2dCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T08:26:20.519464Z"},"content_sha256":"ac69920327d25903c4d978f78deaa8d70c0a20f1ed86649ba7cd38a57df39a6f","schema_version":"1.0","event_id":"sha256:ac69920327d25903c4d978f78deaa8d70c0a20f1ed86649ba7cd38a57df39a6f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JR53KCAQHHNZ2RD4I2Y2GLDGUD/bundle.json","state_url":"https://pith.science/pith/JR53KCAQHHNZ2RD4I2Y2GLDGUD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JR53KCAQHHNZ2RD4I2Y2GLDGUD/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":"2026-08-21T08:26:20Z","links":{"resolver":"https://pith.science/pith/JR53KCAQHHNZ2RD4I2Y2GLDGUD","bundle":"https://pith.science/pith/JR53KCAQHHNZ2RD4I2Y2GLDGUD/bundle.json","state":"https://pith.science/pith/JR53KCAQHHNZ2RD4I2Y2GLDGUD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JR53KCAQHHNZ2RD4I2Y2GLDGUD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:JR53KCAQHHNZ2RD4I2Y2GLDGUD","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":"762103c12f507aaba88cc5239bc53ad0b6f652e5e1dbd55cffa25a4d947240ab","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-09T05:27:15Z","title_canon_sha256":"1fb1215746ba509d9c146e689db4f901449c3e6dec543ddf2cb4d5d40159047e"},"schema_version":"1.0","source":{"id":"2501.04979","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.04979","created_at":"2026-07-05T09:58:49Z"},{"alias_kind":"arxiv_version","alias_value":"2501.04979v1","created_at":"2026-07-05T09:58:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.04979","created_at":"2026-07-05T09:58:49Z"},{"alias_kind":"pith_short_12","alias_value":"JR53KCAQHHNZ","created_at":"2026-07-05T09:58:49Z"},{"alias_kind":"pith_short_16","alias_value":"JR53KCAQHHNZ2RD4","created_at":"2026-07-05T09:58:49Z"},{"alias_kind":"pith_short_8","alias_value":"JR53KCAQ","created_at":"2026-07-05T09:58:49Z"}],"graph_snapshots":[{"event_id":"sha256:ac69920327d25903c4d978f78deaa8d70c0a20f1ed86649ba7cd38a57df39a6f","target":"graph","created_at":"2026-07-05T09:58:49Z","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/2501.04979/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"How the environment of the host galaxy affects the formation of multiple populations (MPs) in globular clusters (GCs) is one of the outstanding questions in the near-field cosmology. To understand the true nature of the old GC MPs in the Large Magellanic Cloud (LMC), we study the Ca--CN--CH photometry of the old metal-poor LMC GC NGC 2257. We find the predominantly FG-dominated populational number ratio of $n$(FG):$n$(SG) = 61:39($\\pm$4), where the FG and SG denote the first and second generations. Both the FG and SG have similar cumulative radial distributions, consistent with the idea that N","authors_text":"Francesco di Mille, Hak-Sub Kim, Hwihyun Kim, Hyun-Il Sung, Jae-Woo Lee, Tae-Hyeong Kim","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-09T05:27:15Z","title":"Multiple Populations of the Large Magellanic Cloud Globular Cluster NGC 2257: No Major Environmental Effect on the Formation of Multiple Populations of the Old Globular Clusters in Large Magellanic Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.04979","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":"sha256:31cb21ab008c343882ce883c5005cc116a25de1cb839ec9939bb3f039c5c41da","target":"record","created_at":"2026-07-05T09:58:49Z","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":"762103c12f507aaba88cc5239bc53ad0b6f652e5e1dbd55cffa25a4d947240ab","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-09T05:27:15Z","title_canon_sha256":"1fb1215746ba509d9c146e689db4f901449c3e6dec543ddf2cb4d5d40159047e"},"schema_version":"1.0","source":{"id":"2501.04979","kind":"arxiv","version":1}},"canonical_sha256":"4c7bb5081039db9d447c46b1a32c66a0e825341853daba9beab0047b1078ce9b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c7bb5081039db9d447c46b1a32c66a0e825341853daba9beab0047b1078ce9b","first_computed_at":"2026-07-05T09:58:49.479452Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:58:49.479452Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ryR6TQkm9a/RL/C0T60MywDJ66/AxAC/GaO/ZlfUncpbQpMJTu1rzZmdqX8Usj4ybJumbPu0Jex7/P6AJxfbDg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:58:49.479920Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.04979","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:31cb21ab008c343882ce883c5005cc116a25de1cb839ec9939bb3f039c5c41da","sha256:ac69920327d25903c4d978f78deaa8d70c0a20f1ed86649ba7cd38a57df39a6f"],"state_sha256":"5f379610c62dac66b10aef2983d656efbcefc511305ad51c508e67429f91491f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"savpahcWX50YDBQma3atDcilCGEUyXb50DroZgVO/l5LZjFzYOSA+k0jKIx4oEG2/KeJI2b9ZV159eJKyMC/BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T08:26:20.523900Z","bundle_sha256":"6a1851ea5c50de5104452f034b90dd0192a6942f8ffa0f6a4cf3a4f2d43f2113"}}