{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:LIKGSLZAGAY5ROLE4LCNT5LKKG","short_pith_number":"pith:LIKGSLZA","canonical_record":{"source":{"id":"1704.02842","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-04-10T13:09:07Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"0f51b96053a640ee20980060c524c43b13aa23d249020e1a54d6ccd81be270a2","abstract_canon_sha256":"e2cf61d3680c36ec5909ce6cd3597c2dcf130090a599cc483f240359c5069832"},"schema_version":"1.0"},"canonical_sha256":"5a14692f203031d8b964e2c4d9f56a51a12f1718a92b4fa8a3f5ad53b0dd638a","source":{"kind":"arxiv","id":"1704.02842","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.02842","created_at":"2026-05-18T00:36:32Z"},{"alias_kind":"arxiv_version","alias_value":"1704.02842v3","created_at":"2026-05-18T00:36:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.02842","created_at":"2026-05-18T00:36:32Z"},{"alias_kind":"pith_short_12","alias_value":"LIKGSLZAGAY5","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LIKGSLZAGAY5ROLE","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LIKGSLZA","created_at":"2026-05-18T12:31:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:LIKGSLZAGAY5ROLE4LCNT5LKKG","target":"record","payload":{"canonical_record":{"source":{"id":"1704.02842","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-04-10T13:09:07Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"0f51b96053a640ee20980060c524c43b13aa23d249020e1a54d6ccd81be270a2","abstract_canon_sha256":"e2cf61d3680c36ec5909ce6cd3597c2dcf130090a599cc483f240359c5069832"},"schema_version":"1.0"},"canonical_sha256":"5a14692f203031d8b964e2c4d9f56a51a12f1718a92b4fa8a3f5ad53b0dd638a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:32.113644Z","signature_b64":"FuT2WdXUUTLfA0CyKLb6PydfdiK6ELEtnIqBX8HjWGNxuxmBbAXz4TIKIeufuBVuzvNok5BCky7ae1DxqUsQAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a14692f203031d8b964e2c4d9f56a51a12f1718a92b4fa8a3f5ad53b0dd638a","last_reissued_at":"2026-05-18T00:36:32.113161Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:32.113161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.02842","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:36:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xPptlnWB5ZhvPQKV3CLNX19uNoo1wx4PoMzRqGN+mV+wISPL7o4iYbSFm84JdjY7snJCSs7LzUwlKM8cguIgAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:36:42.644805Z"},"content_sha256":"a16b4a25a7b2ac9d15e32625c8a609a1be14c364553460d1606462ccdd1054bf","schema_version":"1.0","event_id":"sha256:a16b4a25a7b2ac9d15e32625c8a609a1be14c364553460d1606462ccdd1054bf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:LIKGSLZAGAY5ROLE4LCNT5LKKG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-Shooter study of accretion in Chamaeleon I: II. A steeper increase of accretion with stellar mass for very low mass stars?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"A. Natta, C.F. Manara, D. Fedele, E. Rigliaco, G.D. Mulders, G.J. Herczeg, I. Pascucci, J.M. Alcala, L. Testi, S. Antoniucci, S. Mohanty, T. Henning, T. Prusti","submitted_at":"2017-04-10T13:09:07Z","abstract_excerpt":"The dependence of the mass accretion rate on the stellar properties is a key constraint for star formation and disk evolution studies. Here we present a study of a sample of stars in the Chamaeleon I star forming region carried out using the VLT/X-Shooter spectrograph. The sample is nearly complete down to M~0.1Msun for the young stars still harboring a disk in this region. We derive the stellar and accretion parameters using a self-consistent method to fit the broad-band flux-calibrated medium resolution spectrum. The correlation between the accretion luminosity to the stellar luminosity, and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.02842","kind":"arxiv","version":3},"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":"2026-05-18T00:36:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YJjJHdOVJGydGsutCvPJgjQybvcvMVzyt/j7CU6vGjnJkhsA1fmM7vixjjDt+PK3AAd7oX8ufL0VKH34E608DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:36:42.645309Z"},"content_sha256":"02b4bab02a06ad9ca2b89e011428c9dc1995d3139b0499355d3a410bd6e8a216","schema_version":"1.0","event_id":"sha256:02b4bab02a06ad9ca2b89e011428c9dc1995d3139b0499355d3a410bd6e8a216"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LIKGSLZAGAY5ROLE4LCNT5LKKG/bundle.json","state_url":"https://pith.science/pith/LIKGSLZAGAY5ROLE4LCNT5LKKG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LIKGSLZAGAY5ROLE4LCNT5LKKG/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":"2026-05-30T07:36:42Z","links":{"resolver":"https://pith.science/pith/LIKGSLZAGAY5ROLE4LCNT5LKKG","bundle":"https://pith.science/pith/LIKGSLZAGAY5ROLE4LCNT5LKKG/bundle.json","state":"https://pith.science/pith/LIKGSLZAGAY5ROLE4LCNT5LKKG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LIKGSLZAGAY5ROLE4LCNT5LKKG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:LIKGSLZAGAY5ROLE4LCNT5LKKG","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":"e2cf61d3680c36ec5909ce6cd3597c2dcf130090a599cc483f240359c5069832","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-04-10T13:09:07Z","title_canon_sha256":"0f51b96053a640ee20980060c524c43b13aa23d249020e1a54d6ccd81be270a2"},"schema_version":"1.0","source":{"id":"1704.02842","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.02842","created_at":"2026-05-18T00:36:32Z"},{"alias_kind":"arxiv_version","alias_value":"1704.02842v3","created_at":"2026-05-18T00:36:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.02842","created_at":"2026-05-18T00:36:32Z"},{"alias_kind":"pith_short_12","alias_value":"LIKGSLZAGAY5","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LIKGSLZAGAY5ROLE","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LIKGSLZA","created_at":"2026-05-18T12:31:28Z"}],"graph_snapshots":[{"event_id":"sha256:02b4bab02a06ad9ca2b89e011428c9dc1995d3139b0499355d3a410bd6e8a216","target":"graph","created_at":"2026-05-18T00:36:32Z","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 dependence of the mass accretion rate on the stellar properties is a key constraint for star formation and disk evolution studies. Here we present a study of a sample of stars in the Chamaeleon I star forming region carried out using the VLT/X-Shooter spectrograph. The sample is nearly complete down to M~0.1Msun for the young stars still harboring a disk in this region. We derive the stellar and accretion parameters using a self-consistent method to fit the broad-band flux-calibrated medium resolution spectrum. The correlation between the accretion luminosity to the stellar luminosity, and","authors_text":"A. Natta, C.F. Manara, D. Fedele, E. Rigliaco, G.D. Mulders, G.J. Herczeg, I. Pascucci, J.M. Alcala, L. Testi, S. Antoniucci, S. Mohanty, T. Henning, T. Prusti","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-04-10T13:09:07Z","title":"X-Shooter study of accretion in Chamaeleon I: II. A steeper increase of accretion with stellar mass for very low mass stars?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.02842","kind":"arxiv","version":3},"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:a16b4a25a7b2ac9d15e32625c8a609a1be14c364553460d1606462ccdd1054bf","target":"record","created_at":"2026-05-18T00:36:32Z","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":"e2cf61d3680c36ec5909ce6cd3597c2dcf130090a599cc483f240359c5069832","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-04-10T13:09:07Z","title_canon_sha256":"0f51b96053a640ee20980060c524c43b13aa23d249020e1a54d6ccd81be270a2"},"schema_version":"1.0","source":{"id":"1704.02842","kind":"arxiv","version":3}},"canonical_sha256":"5a14692f203031d8b964e2c4d9f56a51a12f1718a92b4fa8a3f5ad53b0dd638a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a14692f203031d8b964e2c4d9f56a51a12f1718a92b4fa8a3f5ad53b0dd638a","first_computed_at":"2026-05-18T00:36:32.113161Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:36:32.113161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FuT2WdXUUTLfA0CyKLb6PydfdiK6ELEtnIqBX8HjWGNxuxmBbAXz4TIKIeufuBVuzvNok5BCky7ae1DxqUsQAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:36:32.113644Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.02842","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a16b4a25a7b2ac9d15e32625c8a609a1be14c364553460d1606462ccdd1054bf","sha256:02b4bab02a06ad9ca2b89e011428c9dc1995d3139b0499355d3a410bd6e8a216"],"state_sha256":"96864b51d9e59dcc23e12b5c013152623cbdca7b223b8264b40976f64d2ee824"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aXf0G4SnWAGqZlYcRRrz/gI+h0hHZuzILcF0QedhU1F2Ekhmx7jPeSTvhkhrztm+XyoSawEJgkGmj5BGyIvqBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T07:36:42.648624Z","bundle_sha256":"6d076b9a8c0eba98042d4461d365c4122f890885242665c18808a8a5ba0c19c5"}}