{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:WQ7UWW6AVFC6ANBPMPE7GPUKOV","short_pith_number":"pith:WQ7UWW6A","canonical_record":{"source":{"id":"1402.3240","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-02-13T18:06:02Z","cross_cats_sorted":[],"title_canon_sha256":"4052ce66a788b2aa0c57c58f9543115440f343dc1aedc76504c17d06b6037a5d","abstract_canon_sha256":"d7aef998a07ae44acd48f98595180c8de4d77ccbcdfc0cb8dbccef1ab66f8f66"},"schema_version":"1.0"},"canonical_sha256":"b43f4b5bc0a945e0342f63c9f33e8a7553b67474d541a99ef4dbeca52325fb49","source":{"kind":"arxiv","id":"1402.3240","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.3240","created_at":"2026-05-18T02:59:07Z"},{"alias_kind":"arxiv_version","alias_value":"1402.3240v1","created_at":"2026-05-18T02:59:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.3240","created_at":"2026-05-18T02:59:07Z"},{"alias_kind":"pith_short_12","alias_value":"WQ7UWW6AVFC6","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WQ7UWW6AVFC6ANBP","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WQ7UWW6A","created_at":"2026-05-18T12:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:WQ7UWW6AVFC6ANBPMPE7GPUKOV","target":"record","payload":{"canonical_record":{"source":{"id":"1402.3240","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-02-13T18:06:02Z","cross_cats_sorted":[],"title_canon_sha256":"4052ce66a788b2aa0c57c58f9543115440f343dc1aedc76504c17d06b6037a5d","abstract_canon_sha256":"d7aef998a07ae44acd48f98595180c8de4d77ccbcdfc0cb8dbccef1ab66f8f66"},"schema_version":"1.0"},"canonical_sha256":"b43f4b5bc0a945e0342f63c9f33e8a7553b67474d541a99ef4dbeca52325fb49","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:59:07.120822Z","signature_b64":"UIccoMPtK3uQSuBhzh/saGmGFYApHSkYlrf0z+XE21SnwQyq3Q4POLfsDKohJABkFI2Q3iUZG5I8+/TeTY35DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b43f4b5bc0a945e0342f63c9f33e8a7553b67474d541a99ef4dbeca52325fb49","last_reissued_at":"2026-05-18T02:59:07.119931Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:59:07.119931Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.3240","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":"2026-05-18T02:59:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wmzV2DXFVmJzA3f14Po2mz+NIroi8dPKkqrctoZEc41z1rc3IKr7WOdoMmhAc/tgklh2fVD3+kWSNBOQiEPUDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T11:11:44.324535Z"},"content_sha256":"544ddc323e3d701f2222b5d24fc7f6f7d0eb9539aa8cad20c653f529e1f64a9a","schema_version":"1.0","event_id":"sha256:544ddc323e3d701f2222b5d24fc7f6f7d0eb9539aa8cad20c653f529e1f64a9a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:WQ7UWW6AVFC6ANBPMPE7GPUKOV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SED analysis of class I and class II FU Orionis stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Javier A. Rod\\'on, Luciana V. Gramajo, Mercedes G\\'omez","submitted_at":"2014-02-13T18:06:02Z","abstract_excerpt":"FU Orionis stars (FUORS) are eruptive pre-main sequence objects thought to represent quasi-periodic or recurring stages of enhanced accretion during the low-mass star-forming process. We characterize the sample of known and candidate FUORS in an homogeneous and consistent way, deriving stellar and circumstellar parameters for each object. We emphasize the analysis in those parameters that are supposed to vary during the FUORS stage. We modeled the SEDs of 24 of the 26 currently known FUORS, using the radiative transfer code of Whitney et al (2003b). We compare our models with those obtained by"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.3240","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":"2026-05-18T02:59:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qdVMbakWo/ICIfqjEeW8kCZ+yMM9DTU1YtdRcBdF/4TxRtbdZHibjS+h0497oyAxGqzrnPfPxHLR1k60hDIWDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T11:11:44.325006Z"},"content_sha256":"b7b2100543f93ac074f7249012fc93d7a5eb4ae591168f7c153846c34be4cdb0","schema_version":"1.0","event_id":"sha256:b7b2100543f93ac074f7249012fc93d7a5eb4ae591168f7c153846c34be4cdb0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WQ7UWW6AVFC6ANBPMPE7GPUKOV/bundle.json","state_url":"https://pith.science/pith/WQ7UWW6AVFC6ANBPMPE7GPUKOV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WQ7UWW6AVFC6ANBPMPE7GPUKOV/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":"2026-06-22T11:11:44Z","links":{"resolver":"https://pith.science/pith/WQ7UWW6AVFC6ANBPMPE7GPUKOV","bundle":"https://pith.science/pith/WQ7UWW6AVFC6ANBPMPE7GPUKOV/bundle.json","state":"https://pith.science/pith/WQ7UWW6AVFC6ANBPMPE7GPUKOV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WQ7UWW6AVFC6ANBPMPE7GPUKOV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:WQ7UWW6AVFC6ANBPMPE7GPUKOV","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":"d7aef998a07ae44acd48f98595180c8de4d77ccbcdfc0cb8dbccef1ab66f8f66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-02-13T18:06:02Z","title_canon_sha256":"4052ce66a788b2aa0c57c58f9543115440f343dc1aedc76504c17d06b6037a5d"},"schema_version":"1.0","source":{"id":"1402.3240","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.3240","created_at":"2026-05-18T02:59:07Z"},{"alias_kind":"arxiv_version","alias_value":"1402.3240v1","created_at":"2026-05-18T02:59:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.3240","created_at":"2026-05-18T02:59:07Z"},{"alias_kind":"pith_short_12","alias_value":"WQ7UWW6AVFC6","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WQ7UWW6AVFC6ANBP","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WQ7UWW6A","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:b7b2100543f93ac074f7249012fc93d7a5eb4ae591168f7c153846c34be4cdb0","target":"graph","created_at":"2026-05-18T02:59:07Z","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":"FU Orionis stars (FUORS) are eruptive pre-main sequence objects thought to represent quasi-periodic or recurring stages of enhanced accretion during the low-mass star-forming process. We characterize the sample of known and candidate FUORS in an homogeneous and consistent way, deriving stellar and circumstellar parameters for each object. We emphasize the analysis in those parameters that are supposed to vary during the FUORS stage. We modeled the SEDs of 24 of the 26 currently known FUORS, using the radiative transfer code of Whitney et al (2003b). We compare our models with those obtained by","authors_text":"Javier A. Rod\\'on, Luciana V. Gramajo, Mercedes G\\'omez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-02-13T18:06:02Z","title":"SED analysis of class I and class II FU Orionis stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.3240","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":"sha256:544ddc323e3d701f2222b5d24fc7f6f7d0eb9539aa8cad20c653f529e1f64a9a","target":"record","created_at":"2026-05-18T02:59:07Z","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":"d7aef998a07ae44acd48f98595180c8de4d77ccbcdfc0cb8dbccef1ab66f8f66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-02-13T18:06:02Z","title_canon_sha256":"4052ce66a788b2aa0c57c58f9543115440f343dc1aedc76504c17d06b6037a5d"},"schema_version":"1.0","source":{"id":"1402.3240","kind":"arxiv","version":1}},"canonical_sha256":"b43f4b5bc0a945e0342f63c9f33e8a7553b67474d541a99ef4dbeca52325fb49","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b43f4b5bc0a945e0342f63c9f33e8a7553b67474d541a99ef4dbeca52325fb49","first_computed_at":"2026-05-18T02:59:07.119931Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:59:07.119931Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UIccoMPtK3uQSuBhzh/saGmGFYApHSkYlrf0z+XE21SnwQyq3Q4POLfsDKohJABkFI2Q3iUZG5I8+/TeTY35DA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:59:07.120822Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.3240","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:544ddc323e3d701f2222b5d24fc7f6f7d0eb9539aa8cad20c653f529e1f64a9a","sha256:b7b2100543f93ac074f7249012fc93d7a5eb4ae591168f7c153846c34be4cdb0"],"state_sha256":"398dc6379839fd462ca3645861262d2c56682e8310673d2437076b4decb0767f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Uh2oYLXu/+N9Ev0wjWgnFpz3MNc9b30nlPcREzdMggMjNSYX7OxoTtZLzeA3J2y6q3I38/756sgYvoKoztSaBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T11:11:44.326942Z","bundle_sha256":"d34dbd89fc75da7f045d476888e84f37774c092fe077c55bb57f1eb020bff9c7"}}