{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:664OCUD6QGODTEK6345TCQILEP","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":"bca62eae340113a520a2c1399d7002f7a240ae99aad71f9871636f2a29f410c2","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-08T18:45:01Z","title_canon_sha256":"3be8b12830a131dd46a5501bd0e5b19b26590e490e31ae0185924f541a1e4a96"},"schema_version":"1.0","source":{"id":"1506.02613","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.02613","created_at":"2026-05-18T01:36:47Z"},{"alias_kind":"arxiv_version","alias_value":"1506.02613v1","created_at":"2026-05-18T01:36:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.02613","created_at":"2026-05-18T01:36:47Z"},{"alias_kind":"pith_short_12","alias_value":"664OCUD6QGOD","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"664OCUD6QGODTEK6","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"664OCUD6","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:1531cac9d6a10d24de1854b1f232fe54223e4731a44ce7ca67119266fb4fbf26","target":"graph","created_at":"2026-05-18T01:36:47Z","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":"We investigated the evolutionary stages and disk properties of 211 Young stellar objects (YSOs) across the Perseus cloud by modeling the broadband optical to mid-infrared (IR) spectral energy distribution (SED). By exploring the relationships among the turnoff wave bands lambda_turnoff (longward of which significant IR excesses above the stellar photosphere are observed), the excess spectral index alpha_excess at lambda <~ 24 microns, and the disk inner radius R_in (from SED modeling) for YSOs of different evolutionary stages, we found that the median and standard deviation of alpha_excess of ","authors_text":"A-Li Luo, Hai-Bo Yuan, Hongjun Ma, Hong-Xin Zhang, Min Fang, Ruixiang Chang, Xiaolong Wang, Xiao-Wei Liu, Xuejian Jiang, Yinghe Zhao, Yu Gao, Zhengyi Shao","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-08T18:45:01Z","title":"Evolutionary Stages and Disk Properties of Young Stellar Objects in the Perseus Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.02613","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":"sha256:3197bd3368cf6d1d2ecad43c8273776be2eeb7ca041cd58c425b1a3e9eb3ac5f","target":"record","created_at":"2026-05-18T01:36:47Z","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":"bca62eae340113a520a2c1399d7002f7a240ae99aad71f9871636f2a29f410c2","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-08T18:45:01Z","title_canon_sha256":"3be8b12830a131dd46a5501bd0e5b19b26590e490e31ae0185924f541a1e4a96"},"schema_version":"1.0","source":{"id":"1506.02613","kind":"arxiv","version":1}},"canonical_sha256":"f7b8e1507e819c39915edf3b31410b23f353d52e9245dc2bfbb3c2eccf936706","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7b8e1507e819c39915edf3b31410b23f353d52e9245dc2bfbb3c2eccf936706","first_computed_at":"2026-05-18T01:36:47.744958Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:47.744958Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nYS0Z1nqftRveQyzcidWsFBYf1abv7ciEQ5k8x2HpsAN+bllp/7i+8koQp6MyfO+RSYg/2giwygqxxTss1peBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:47.745631Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.02613","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3197bd3368cf6d1d2ecad43c8273776be2eeb7ca041cd58c425b1a3e9eb3ac5f","sha256:1531cac9d6a10d24de1854b1f232fe54223e4731a44ce7ca67119266fb4fbf26"],"state_sha256":"e3a14bf84a24813ea3708a6f75186065ba9109372c9d759274174123a497848d"}