{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:NJ64DQPIRMR6XU6SHCRXHEOQAF","short_pith_number":"pith:NJ64DQPI","canonical_record":{"source":{"id":"2405.04849","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-05-08T06:53:17Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b90735caa40900dc5eecf35043d314144d1f68fef890b95ea21e9ef25763852a","abstract_canon_sha256":"d6969473e26a2f399d66d2429c05e58319342d5d1eb661cd3192ace5e343ca2e"},"schema_version":"1.0"},"canonical_sha256":"6a7dc1c1e88b23ebd3d238a37391d001528d7bee708117f5527b5ef4f548c1de","source":{"kind":"arxiv","id":"2405.04849","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.04849","created_at":"2026-07-05T08:16:55Z"},{"alias_kind":"arxiv_version","alias_value":"2405.04849v1","created_at":"2026-07-05T08:16:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.04849","created_at":"2026-07-05T08:16:55Z"},{"alias_kind":"pith_short_12","alias_value":"NJ64DQPIRMR6","created_at":"2026-07-05T08:16:55Z"},{"alias_kind":"pith_short_16","alias_value":"NJ64DQPIRMR6XU6S","created_at":"2026-07-05T08:16:55Z"},{"alias_kind":"pith_short_8","alias_value":"NJ64DQPI","created_at":"2026-07-05T08:16:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:NJ64DQPIRMR6XU6SHCRXHEOQAF","target":"record","payload":{"canonical_record":{"source":{"id":"2405.04849","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-05-08T06:53:17Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b90735caa40900dc5eecf35043d314144d1f68fef890b95ea21e9ef25763852a","abstract_canon_sha256":"d6969473e26a2f399d66d2429c05e58319342d5d1eb661cd3192ace5e343ca2e"},"schema_version":"1.0"},"canonical_sha256":"6a7dc1c1e88b23ebd3d238a37391d001528d7bee708117f5527b5ef4f548c1de","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:16:55.050723Z","signature_b64":"YVH8Oh3aCwWu+ABAK0GViamWrMgllEEiMaLh9nm9rGWiFVDKWr6zpxOE5g0UezNHjvvuJab/L5iHFfaPu2ugCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a7dc1c1e88b23ebd3d238a37391d001528d7bee708117f5527b5ef4f548c1de","last_reissued_at":"2026-07-05T08:16:55.050250Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:16:55.050250Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.04849","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":"2026-07-05T08:16:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3vPu3hcwcmBl+BpTGOPJt6eSC+MKgFX755MFpSLdw+XZP6gJRazWCH/tpjk2O7w1OpjkOphTac8deHjYQeY6DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T22:48:24.539497Z"},"content_sha256":"fa8b797097dd701d01c0f0ccd004f822708a5703a140436d3f85487930f2bfd5","schema_version":"1.0","event_id":"sha256:fa8b797097dd701d01c0f0ccd004f822708a5703a140436d3f85487930f2bfd5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:NJ64DQPIRMR6XU6SHCRXHEOQAF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Does Metallicity affect Protoplanetary Disk Fraction? Answers from the Outer Milky Way","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Jessy Jose, Neal J. Evans II, Sudeshna Patra","submitted_at":"2024-05-08T06:53:17Z","abstract_excerpt":"The role of metallicity in shaping protoplanetary disk evolution remains poorly comprehended. This study analyzes the disk fraction of 10 young (0.9-2.1 Myr) and low-metallicity (0.34-0.83 Z$_{\\odot}$) clusters located in the outer Milky Way with Galactocentric distances between 10 and 13 kpc. Using $JHK$ data obtained from UKIDSS, the calculated disk fraction values for low-mass stars (0.2-2 M$_{\\odot}$) ranged from 42% to 7%. To enhance the statistical reliability of our analysis, eight additional low-metallicity clusters are sourced from previous studies with metallicity range 0.25-0.85 Z$_"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.04849","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/2405.04849/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":"2026-07-05T08:16:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hxBROYB6CtWGiIw8xNBkSBXhLEC+zhMsNASMrib/zSoUmZICcRRCYScHcDqa+DFXxYLaw2AsLZm2tkG14aT7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T22:48:24.540092Z"},"content_sha256":"01e12fcc363dfcaa87b8d880a11595338e993a330f40589025e92fd83ec79fc7","schema_version":"1.0","event_id":"sha256:01e12fcc363dfcaa87b8d880a11595338e993a330f40589025e92fd83ec79fc7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NJ64DQPIRMR6XU6SHCRXHEOQAF/bundle.json","state_url":"https://pith.science/pith/NJ64DQPIRMR6XU6SHCRXHEOQAF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NJ64DQPIRMR6XU6SHCRXHEOQAF/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":"2026-08-06T22:48:24Z","links":{"resolver":"https://pith.science/pith/NJ64DQPIRMR6XU6SHCRXHEOQAF","bundle":"https://pith.science/pith/NJ64DQPIRMR6XU6SHCRXHEOQAF/bundle.json","state":"https://pith.science/pith/NJ64DQPIRMR6XU6SHCRXHEOQAF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NJ64DQPIRMR6XU6SHCRXHEOQAF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:NJ64DQPIRMR6XU6SHCRXHEOQAF","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":"d6969473e26a2f399d66d2429c05e58319342d5d1eb661cd3192ace5e343ca2e","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-05-08T06:53:17Z","title_canon_sha256":"b90735caa40900dc5eecf35043d314144d1f68fef890b95ea21e9ef25763852a"},"schema_version":"1.0","source":{"id":"2405.04849","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.04849","created_at":"2026-07-05T08:16:55Z"},{"alias_kind":"arxiv_version","alias_value":"2405.04849v1","created_at":"2026-07-05T08:16:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.04849","created_at":"2026-07-05T08:16:55Z"},{"alias_kind":"pith_short_12","alias_value":"NJ64DQPIRMR6","created_at":"2026-07-05T08:16:55Z"},{"alias_kind":"pith_short_16","alias_value":"NJ64DQPIRMR6XU6S","created_at":"2026-07-05T08:16:55Z"},{"alias_kind":"pith_short_8","alias_value":"NJ64DQPI","created_at":"2026-07-05T08:16:55Z"}],"graph_snapshots":[{"event_id":"sha256:01e12fcc363dfcaa87b8d880a11595338e993a330f40589025e92fd83ec79fc7","target":"graph","created_at":"2026-07-05T08:16:55Z","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/2405.04849/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The role of metallicity in shaping protoplanetary disk evolution remains poorly comprehended. This study analyzes the disk fraction of 10 young (0.9-2.1 Myr) and low-metallicity (0.34-0.83 Z$_{\\odot}$) clusters located in the outer Milky Way with Galactocentric distances between 10 and 13 kpc. Using $JHK$ data obtained from UKIDSS, the calculated disk fraction values for low-mass stars (0.2-2 M$_{\\odot}$) ranged from 42% to 7%. To enhance the statistical reliability of our analysis, eight additional low-metallicity clusters are sourced from previous studies with metallicity range 0.25-0.85 Z$_","authors_text":"Jessy Jose, Neal J. Evans II, Sudeshna Patra","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-05-08T06:53:17Z","title":"Does Metallicity affect Protoplanetary Disk Fraction? Answers from the Outer Milky Way"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.04849","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:fa8b797097dd701d01c0f0ccd004f822708a5703a140436d3f85487930f2bfd5","target":"record","created_at":"2026-07-05T08:16:55Z","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":"d6969473e26a2f399d66d2429c05e58319342d5d1eb661cd3192ace5e343ca2e","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-05-08T06:53:17Z","title_canon_sha256":"b90735caa40900dc5eecf35043d314144d1f68fef890b95ea21e9ef25763852a"},"schema_version":"1.0","source":{"id":"2405.04849","kind":"arxiv","version":1}},"canonical_sha256":"6a7dc1c1e88b23ebd3d238a37391d001528d7bee708117f5527b5ef4f548c1de","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a7dc1c1e88b23ebd3d238a37391d001528d7bee708117f5527b5ef4f548c1de","first_computed_at":"2026-07-05T08:16:55.050250Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:16:55.050250Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YVH8Oh3aCwWu+ABAK0GViamWrMgllEEiMaLh9nm9rGWiFVDKWr6zpxOE5g0UezNHjvvuJab/L5iHFfaPu2ugCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:16:55.050723Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.04849","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fa8b797097dd701d01c0f0ccd004f822708a5703a140436d3f85487930f2bfd5","sha256:01e12fcc363dfcaa87b8d880a11595338e993a330f40589025e92fd83ec79fc7"],"state_sha256":"9dc0c9fd1cb3fa877076391c9418fc09273d0210bc24196c3b04d142b4cee28a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ow1pADS0p1YiYVzwAceeXfLKpSUmEMfxRoQmno7tNgLDc7sPfAuJI6nOIJWrkNNQHJavEHbpnE8VNBF7uF/3Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T22:48:24.543910Z","bundle_sha256":"585ed198b41284fbf3acf25da623a839ff07aaeb4a82bb1642b2317b1b3c095b"}}