{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:DEB7ECZ5C43DLXCJKFBIVTOEGV","short_pith_number":"pith:DEB7ECZ5","canonical_record":{"source":{"id":"1810.03365","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-10-08T11:02:23Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7209cf52da0e7f19edeaf123bcfe376b9e976818f04dd61a06994b8812ca6aa2","abstract_canon_sha256":"2db75458f25e1972a6dcd50f121979f716c6d124b44f273ee378dfadbb6a77a3"},"schema_version":"1.0"},"canonical_sha256":"1903f20b3d173635dc4951428acdc4355b35284bae63c50b227125c488babc7f","source":{"kind":"arxiv","id":"1810.03365","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.03365","created_at":"2026-05-18T00:03:51Z"},{"alias_kind":"arxiv_version","alias_value":"1810.03365v1","created_at":"2026-05-18T00:03:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.03365","created_at":"2026-05-18T00:03:51Z"},{"alias_kind":"pith_short_12","alias_value":"DEB7ECZ5C43D","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DEB7ECZ5C43DLXCJ","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DEB7ECZ5","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:DEB7ECZ5C43DLXCJKFBIVTOEGV","target":"record","payload":{"canonical_record":{"source":{"id":"1810.03365","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-10-08T11:02:23Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7209cf52da0e7f19edeaf123bcfe376b9e976818f04dd61a06994b8812ca6aa2","abstract_canon_sha256":"2db75458f25e1972a6dcd50f121979f716c6d124b44f273ee378dfadbb6a77a3"},"schema_version":"1.0"},"canonical_sha256":"1903f20b3d173635dc4951428acdc4355b35284bae63c50b227125c488babc7f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:51.542473Z","signature_b64":"994cboRmw28V/dH6nskXiRXrYXr1S3vyzQk6MJAuymFuh/XMOJXnkqvhOFg4uf6byoK/TByZBzYagGJjweP4CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1903f20b3d173635dc4951428acdc4355b35284bae63c50b227125c488babc7f","last_reissued_at":"2026-05-18T00:03:51.541982Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:51.541982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.03365","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":"2026-05-18T00:03:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MFjbzT7hPgQqozRF7BFQR0mznApV1deSQTgKE2syfoDUqrZEH/aT9nMNxYnwNSYCxfflLbpjSnXsXgf60UHQBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:29:38.329283Z"},"content_sha256":"9e21a69aa5f97522a4f32d12ebad5b5846e2a9d8f510eaced8b76d335621ee4c","schema_version":"1.0","event_id":"sha256:9e21a69aa5f97522a4f32d12ebad5b5846e2a9d8f510eaced8b76d335621ee4c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:DEB7ECZ5C43DLXCJKFBIVTOEGV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Morphology of stellar populations in the Magellanic Clouds using the VMC survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Cameron P. M. Bell, Dalal El Youssoufi, Florian Niederhofer, Gal Matijevic, Maria-Rosa L. Cioni, Stefano Rubele","submitted_at":"2018-10-08T11:02:23Z","abstract_excerpt":"The Magellanic Clouds are nearby dwarf irregular galaxies that represent a unique laboratory for studying galaxy interactions. Their morphology and dynamics have been heavily influenced by their mutual interactions as well as with their interaction(s) with the Milky Way. We use the VISTA near-infrared YJKs survey of the Magellanic Clouds system (VMC) in combination with stellar partial models of the Large Magellanic Cloud (LMC), the Small Magellanic Cloud (SMC) and the Milky Way to investigate the spatial distribution of stellar populations of different ages across the Magellanic Clouds. In th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.03365","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":""},"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":"2026-05-18T00:03:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mwlTyotvUOV/5O7B4zvDC8YqWDv+RaeXm6V2602kRK8U1IHj6KsJhjG34V1Z9W1wJVWqFiZd69PODexZni6zCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:29:38.329915Z"},"content_sha256":"7b6c434a501db3232a97c3c84c5c6cbf464bf7718ee77e532517daa0a60b7e75","schema_version":"1.0","event_id":"sha256:7b6c434a501db3232a97c3c84c5c6cbf464bf7718ee77e532517daa0a60b7e75"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DEB7ECZ5C43DLXCJKFBIVTOEGV/bundle.json","state_url":"https://pith.science/pith/DEB7ECZ5C43DLXCJKFBIVTOEGV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DEB7ECZ5C43DLXCJKFBIVTOEGV/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":"2026-05-28T16:29:38Z","links":{"resolver":"https://pith.science/pith/DEB7ECZ5C43DLXCJKFBIVTOEGV","bundle":"https://pith.science/pith/DEB7ECZ5C43DLXCJKFBIVTOEGV/bundle.json","state":"https://pith.science/pith/DEB7ECZ5C43DLXCJKFBIVTOEGV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DEB7ECZ5C43DLXCJKFBIVTOEGV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DEB7ECZ5C43DLXCJKFBIVTOEGV","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":"2db75458f25e1972a6dcd50f121979f716c6d124b44f273ee378dfadbb6a77a3","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-10-08T11:02:23Z","title_canon_sha256":"7209cf52da0e7f19edeaf123bcfe376b9e976818f04dd61a06994b8812ca6aa2"},"schema_version":"1.0","source":{"id":"1810.03365","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.03365","created_at":"2026-05-18T00:03:51Z"},{"alias_kind":"arxiv_version","alias_value":"1810.03365v1","created_at":"2026-05-18T00:03:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.03365","created_at":"2026-05-18T00:03:51Z"},{"alias_kind":"pith_short_12","alias_value":"DEB7ECZ5C43D","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DEB7ECZ5C43DLXCJ","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DEB7ECZ5","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:7b6c434a501db3232a97c3c84c5c6cbf464bf7718ee77e532517daa0a60b7e75","target":"graph","created_at":"2026-05-18T00:03:51Z","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"},"paper":{"abstract_excerpt":"The Magellanic Clouds are nearby dwarf irregular galaxies that represent a unique laboratory for studying galaxy interactions. Their morphology and dynamics have been heavily influenced by their mutual interactions as well as with their interaction(s) with the Milky Way. We use the VISTA near-infrared YJKs survey of the Magellanic Clouds system (VMC) in combination with stellar partial models of the Large Magellanic Cloud (LMC), the Small Magellanic Cloud (SMC) and the Milky Way to investigate the spatial distribution of stellar populations of different ages across the Magellanic Clouds. In th","authors_text":"Cameron P. M. Bell, Dalal El Youssoufi, Florian Niederhofer, Gal Matijevic, Maria-Rosa L. Cioni, Stefano Rubele","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-10-08T11:02:23Z","title":"Morphology of stellar populations in the Magellanic Clouds using the VMC survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.03365","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":"sha256:9e21a69aa5f97522a4f32d12ebad5b5846e2a9d8f510eaced8b76d335621ee4c","target":"record","created_at":"2026-05-18T00:03:51Z","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":"2db75458f25e1972a6dcd50f121979f716c6d124b44f273ee378dfadbb6a77a3","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-10-08T11:02:23Z","title_canon_sha256":"7209cf52da0e7f19edeaf123bcfe376b9e976818f04dd61a06994b8812ca6aa2"},"schema_version":"1.0","source":{"id":"1810.03365","kind":"arxiv","version":1}},"canonical_sha256":"1903f20b3d173635dc4951428acdc4355b35284bae63c50b227125c488babc7f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1903f20b3d173635dc4951428acdc4355b35284bae63c50b227125c488babc7f","first_computed_at":"2026-05-18T00:03:51.541982Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:51.541982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"994cboRmw28V/dH6nskXiRXrYXr1S3vyzQk6MJAuymFuh/XMOJXnkqvhOFg4uf6byoK/TByZBzYagGJjweP4CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:51.542473Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.03365","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e21a69aa5f97522a4f32d12ebad5b5846e2a9d8f510eaced8b76d335621ee4c","sha256:7b6c434a501db3232a97c3c84c5c6cbf464bf7718ee77e532517daa0a60b7e75"],"state_sha256":"b83361fcce376069cd197a576bfdf5a36cb903357591f95ce153478c5530ead9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pXRRaYDZDjYPZ4XwEfpwYhh6BEvk6IkjkPbZKr7tys0EHyQgcahisvSJGB1oqGbjwRJlli901FmyW5/K2SDxBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T16:29:38.332037Z","bundle_sha256":"78f1a038d88e493111f0664e8f6d1fbd6f0823310bcc5e6bac07eb696881c720"}}