{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:NCKAJ4E4UDLVUXP676BNUJCYMA","short_pith_number":"pith:NCKAJ4E4","schema_version":"1.0","canonical_sha256":"689404f09ca0d75a5dfeff82da24586007173ebc66338039b002b027a986f627","source":{"kind":"arxiv","id":"2103.08209","version":1},"attestation_state":"computed","paper":{"title":"Goodness-of-fit test for isochrone fitting in the Gaia era. Statistical assessment of the error distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"E. Tognelli, G. Valle, M. Dell'Omodarme","submitted_at":"2021-03-15T08:37:07Z","abstract_excerpt":"[...] This paper presents a rigorous derivation of a goodness-of-fit statistics for colour-magnitude diagrams (CMD). We discuss the reliability of the underlying assumptions and their validity. We derived the distribution of the sum of squared Mahalanobis distances of stellar data and theoretical isochrone for a generic set of data and models. We applied this to the case of synthetic CMDs constructed to mimic real data of open clusters in the GAIA sample. We analysed the capability of distinguishing among different sets of input physics and parameters that were used to compute the stellar mode"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2103.08209","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-03-15T08:37:07Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"416379eb2b7dbce99c4c3bc95587b6a8ccc668838c84023a05b1723944c0246e","abstract_canon_sha256":"b67c0f4dea5859519179f905700db596bacdbc55d31d525abac466ffc6ecfa2b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:43:20.001604Z","signature_b64":"q70F+/5SP26nRBuIHfd+85Us4R2v4M5zbkZYlB15NZfiHzJyRBaDcSSej9k5SgWbsN5qP0nIY2M/1ozF5LQIBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"689404f09ca0d75a5dfeff82da24586007173ebc66338039b002b027a986f627","last_reissued_at":"2026-07-05T02:43:20.001123Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:43:20.001123Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Goodness-of-fit test for isochrone fitting in the Gaia era. Statistical assessment of the error distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"E. Tognelli, G. Valle, M. Dell'Omodarme","submitted_at":"2021-03-15T08:37:07Z","abstract_excerpt":"[...] This paper presents a rigorous derivation of a goodness-of-fit statistics for colour-magnitude diagrams (CMD). We discuss the reliability of the underlying assumptions and their validity. We derived the distribution of the sum of squared Mahalanobis distances of stellar data and theoretical isochrone for a generic set of data and models. We applied this to the case of synthetic CMDs constructed to mimic real data of open clusters in the GAIA sample. We analysed the capability of distinguishing among different sets of input physics and parameters that were used to compute the stellar mode"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.08209","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/2103.08209/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2103.08209","created_at":"2026-07-05T02:43:20.001180+00:00"},{"alias_kind":"arxiv_version","alias_value":"2103.08209v1","created_at":"2026-07-05T02:43:20.001180+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.08209","created_at":"2026-07-05T02:43:20.001180+00:00"},{"alias_kind":"pith_short_12","alias_value":"NCKAJ4E4UDLV","created_at":"2026-07-05T02:43:20.001180+00:00"},{"alias_kind":"pith_short_16","alias_value":"NCKAJ4E4UDLVUXP6","created_at":"2026-07-05T02:43:20.001180+00:00"},{"alias_kind":"pith_short_8","alias_value":"NCKAJ4E4","created_at":"2026-07-05T02:43:20.001180+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/NCKAJ4E4UDLVUXP676BNUJCYMA","json":"https://pith.science/pith/NCKAJ4E4UDLVUXP676BNUJCYMA.json","graph_json":"https://pith.science/api/pith-number/NCKAJ4E4UDLVUXP676BNUJCYMA/graph.json","events_json":"https://pith.science/api/pith-number/NCKAJ4E4UDLVUXP676BNUJCYMA/events.json","paper":"https://pith.science/paper/NCKAJ4E4"},"agent_actions":{"view_html":"https://pith.science/pith/NCKAJ4E4UDLVUXP676BNUJCYMA","download_json":"https://pith.science/pith/NCKAJ4E4UDLVUXP676BNUJCYMA.json","view_paper":"https://pith.science/paper/NCKAJ4E4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2103.08209&json=true","fetch_graph":"https://pith.science/api/pith-number/NCKAJ4E4UDLVUXP676BNUJCYMA/graph.json","fetch_events":"https://pith.science/api/pith-number/NCKAJ4E4UDLVUXP676BNUJCYMA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NCKAJ4E4UDLVUXP676BNUJCYMA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NCKAJ4E4UDLVUXP676BNUJCYMA/action/storage_attestation","attest_author":"https://pith.science/pith/NCKAJ4E4UDLVUXP676BNUJCYMA/action/author_attestation","sign_citation":"https://pith.science/pith/NCKAJ4E4UDLVUXP676BNUJCYMA/action/citation_signature","submit_replication":"https://pith.science/pith/NCKAJ4E4UDLVUXP676BNUJCYMA/action/replication_record"}},"created_at":"2026-07-05T02:43:20.001180+00:00","updated_at":"2026-07-05T02:43:20.001180+00:00"}