{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:YGSRTHQKJRDX7UUSC6F2CEQFMB","short_pith_number":"pith:YGSRTHQK","canonical_record":{"source":{"id":"2003.09511","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-03-20T21:53:21Z","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"title_canon_sha256":"1418155f4c2f8dda5de358b3514e905ab1a178ccc430252dff431728eccad06a","abstract_canon_sha256":"594db04fa5d074035b4bd97d80fd6f3d891a656d75370b2cfa9d621b1d81f19b"},"schema_version":"1.0"},"canonical_sha256":"c1a5199e0a4c477fd292178ba11205606027e4c3b471fc832051603794eb620b","source":{"kind":"arxiv","id":"2003.09511","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.09511","created_at":"2026-07-05T00:58:50Z"},{"alias_kind":"arxiv_version","alias_value":"2003.09511v1","created_at":"2026-07-05T00:58:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.09511","created_at":"2026-07-05T00:58:50Z"},{"alias_kind":"pith_short_12","alias_value":"YGSRTHQKJRDX","created_at":"2026-07-05T00:58:50Z"},{"alias_kind":"pith_short_16","alias_value":"YGSRTHQKJRDX7UUS","created_at":"2026-07-05T00:58:50Z"},{"alias_kind":"pith_short_8","alias_value":"YGSRTHQK","created_at":"2026-07-05T00:58:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:YGSRTHQKJRDX7UUSC6F2CEQFMB","target":"record","payload":{"canonical_record":{"source":{"id":"2003.09511","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-03-20T21:53:21Z","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"title_canon_sha256":"1418155f4c2f8dda5de358b3514e905ab1a178ccc430252dff431728eccad06a","abstract_canon_sha256":"594db04fa5d074035b4bd97d80fd6f3d891a656d75370b2cfa9d621b1d81f19b"},"schema_version":"1.0"},"canonical_sha256":"c1a5199e0a4c477fd292178ba11205606027e4c3b471fc832051603794eb620b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:58:50.921604Z","signature_b64":"c1J7DIYcRhA1J2z85XtzQEo2IlKPagG1i4eC3Prbj+2qPDdQZ35H2ne7Juc6qYiY/sghHuw2L3yv7rXMcVdVAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c1a5199e0a4c477fd292178ba11205606027e4c3b471fc832051603794eb620b","last_reissued_at":"2026-07-05T00:58:50.921165Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:58:50.921165Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2003.09511","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":"2026-07-05T00:58:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nKmKKWQQlliieNRxy/kw7rNna4fjA9WdA+rXHyNz7spGtL/lmHvjfX76VCfPOdnS6Ds3PRtPM/Wq/WspP4lhBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T19:49:00.151959Z"},"content_sha256":"5307e258c13f7f2805f32c07e37fea56131b7c11431a817e0c2fbef2470203af","schema_version":"1.0","event_id":"sha256:5307e258c13f7f2805f32c07e37fea56131b7c11431a817e0c2fbef2470203af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:YGSRTHQKJRDX7UUSC6F2CEQFMB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Accretion in low-mass members of the Orion Nebula Cluster with young transition disks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"C. Melo, C. Sauty, J. F. Gameiro, J. J. G. Lima, R. M. G. de Albuquerque, S. H. P. Alencar","submitted_at":"2020-03-20T21:53:21Z","abstract_excerpt":"Although the Orion Nebula Cluster is one of the most studied clusters in the solar neighborhood, the evolution of the very low-mass members ($M_* < 0.25 \\, M_\\odot$) has not been fully addressed due to their faintness. Our goal is to verify if some young and very low-mass objects in the Orion Nebula Cluster show evidence of ongoing accretion using broadband VLT/X-Shooter spectra. For each target, we determined the corresponding stellar parameters, veiling, observed Balmer jump, and accretion rates. Additionally, we searched for the existence of circumstellar disks through available on-line pho"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.09511","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/2003.09511/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":"2026-07-05T00:58:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CJ40XspiFH1OHt9nbSkuKY6WpGrw7xPRzwQA761am3Lux+PS2Ybx2CkEWVNN2qb6MaTKLg2qLNHFSSWpTye9Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T19:49:00.152812Z"},"content_sha256":"7831a89451b9ca9f64c6a94e81bb24e2829c999d231c65e8bbd3f573acfc0273","schema_version":"1.0","event_id":"sha256:7831a89451b9ca9f64c6a94e81bb24e2829c999d231c65e8bbd3f573acfc0273"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YGSRTHQKJRDX7UUSC6F2CEQFMB/bundle.json","state_url":"https://pith.science/pith/YGSRTHQKJRDX7UUSC6F2CEQFMB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YGSRTHQKJRDX7UUSC6F2CEQFMB/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":"2026-08-05T19:49:00Z","links":{"resolver":"https://pith.science/pith/YGSRTHQKJRDX7UUSC6F2CEQFMB","bundle":"https://pith.science/pith/YGSRTHQKJRDX7UUSC6F2CEQFMB/bundle.json","state":"https://pith.science/pith/YGSRTHQKJRDX7UUSC6F2CEQFMB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YGSRTHQKJRDX7UUSC6F2CEQFMB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:YGSRTHQKJRDX7UUSC6F2CEQFMB","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":"594db04fa5d074035b4bd97d80fd6f3d891a656d75370b2cfa9d621b1d81f19b","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-03-20T21:53:21Z","title_canon_sha256":"1418155f4c2f8dda5de358b3514e905ab1a178ccc430252dff431728eccad06a"},"schema_version":"1.0","source":{"id":"2003.09511","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.09511","created_at":"2026-07-05T00:58:50Z"},{"alias_kind":"arxiv_version","alias_value":"2003.09511v1","created_at":"2026-07-05T00:58:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.09511","created_at":"2026-07-05T00:58:50Z"},{"alias_kind":"pith_short_12","alias_value":"YGSRTHQKJRDX","created_at":"2026-07-05T00:58:50Z"},{"alias_kind":"pith_short_16","alias_value":"YGSRTHQKJRDX7UUS","created_at":"2026-07-05T00:58:50Z"},{"alias_kind":"pith_short_8","alias_value":"YGSRTHQK","created_at":"2026-07-05T00:58:50Z"}],"graph_snapshots":[{"event_id":"sha256:7831a89451b9ca9f64c6a94e81bb24e2829c999d231c65e8bbd3f573acfc0273","target":"graph","created_at":"2026-07-05T00:58:50Z","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/2003.09511/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Although the Orion Nebula Cluster is one of the most studied clusters in the solar neighborhood, the evolution of the very low-mass members ($M_* < 0.25 \\, M_\\odot$) has not been fully addressed due to their faintness. Our goal is to verify if some young and very low-mass objects in the Orion Nebula Cluster show evidence of ongoing accretion using broadband VLT/X-Shooter spectra. For each target, we determined the corresponding stellar parameters, veiling, observed Balmer jump, and accretion rates. Additionally, we searched for the existence of circumstellar disks through available on-line pho","authors_text":"C. Melo, C. Sauty, J. F. Gameiro, J. J. G. Lima, R. M. G. de Albuquerque, S. H. P. Alencar","cross_cats":["astro-ph.EP","astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-03-20T21:53:21Z","title":"Accretion in low-mass members of the Orion Nebula Cluster with young transition disks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.09511","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":"sha256:5307e258c13f7f2805f32c07e37fea56131b7c11431a817e0c2fbef2470203af","target":"record","created_at":"2026-07-05T00:58:50Z","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":"594db04fa5d074035b4bd97d80fd6f3d891a656d75370b2cfa9d621b1d81f19b","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-03-20T21:53:21Z","title_canon_sha256":"1418155f4c2f8dda5de358b3514e905ab1a178ccc430252dff431728eccad06a"},"schema_version":"1.0","source":{"id":"2003.09511","kind":"arxiv","version":1}},"canonical_sha256":"c1a5199e0a4c477fd292178ba11205606027e4c3b471fc832051603794eb620b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1a5199e0a4c477fd292178ba11205606027e4c3b471fc832051603794eb620b","first_computed_at":"2026-07-05T00:58:50.921165Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:58:50.921165Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c1J7DIYcRhA1J2z85XtzQEo2IlKPagG1i4eC3Prbj+2qPDdQZ35H2ne7Juc6qYiY/sghHuw2L3yv7rXMcVdVAg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:58:50.921604Z","signed_message":"canonical_sha256_bytes"},"source_id":"2003.09511","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5307e258c13f7f2805f32c07e37fea56131b7c11431a817e0c2fbef2470203af","sha256:7831a89451b9ca9f64c6a94e81bb24e2829c999d231c65e8bbd3f573acfc0273"],"state_sha256":"aa5ac6e334ed753c9c097934657c2acb3095dc9f5ba3992e67d11cd989a0f3fe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XVbNa2xmlES8U3x+kLCWYTyg8s2SgkTQQRNy+ZFFYeIOSFbkkH8H0nRxhK0RT8a3z5r3a03lbxrj8Ywwses/Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T19:49:00.157325Z","bundle_sha256":"9ddadfe583855719358224df446fb3ce09e0ec41b41f855b9e9cf59787106fe8"}}