{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:KRANH3OPRPADE2B3UCHGNI2ETO","short_pith_number":"pith:KRANH3OP","schema_version":"1.0","canonical_sha256":"5440d3edcf8bc032683ba08e66a3449b8849607488ae83e1930a6174131d6cda","source":{"kind":"arxiv","id":"2109.13950","version":1},"attestation_state":"computed","paper":{"title":"Physical Characterization of Metal-rich Near-Earth Asteroids 6178 (1986 DA) and 2016 ED85","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Adam Battle, Benjamin Sharkey, David C. Cantillo, Juan A. Sanchez, Neil Pearson, Theodore Kareta, Vishnu Reddy, William F. Bottke","submitted_at":"2021-09-28T18:00:07Z","abstract_excerpt":"Metal-rich near-Earth asteroids (NEAs) represent a small fraction of the NEA population that is mostly dominated by S- and C-type asteroids. Because of this, their identification and study provide us with a unique opportunity to learn more about the formation and evolution of this particular type of bodies, as well as their relationship with meteorites found on Earth. We present near-infrared (NIR) spectroscopic data of NEAs 6178 (1986 DA) and 2016 ED85. We found that the spectral characteristics of these objects are consistent with those of metal-rich asteroids, showing red slopes, convex sha"},"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":"2109.13950","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-09-28T18:00:07Z","cross_cats_sorted":[],"title_canon_sha256":"0ab4d33aad5c6f2d8c71597dea73eb9ff247b4c2fcf2450a4ba0bb3c18e46455","abstract_canon_sha256":"98fb395bc695340364fd2a31451287cfef496faa2767bb1297311b274b3a2da9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:18:30.809619Z","signature_b64":"HiUfSDobcz1OylMkYKQm1ZfmwkTB1Y1TERbpiT0eCL+MYI2MztHSfmmbhWe5TJv/v4pb/rZZgKg8pf/naBQjDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5440d3edcf8bc032683ba08e66a3449b8849607488ae83e1930a6174131d6cda","last_reissued_at":"2026-07-05T03:18:30.809192Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:18:30.809192Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Physical Characterization of Metal-rich Near-Earth Asteroids 6178 (1986 DA) and 2016 ED85","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Adam Battle, Benjamin Sharkey, David C. Cantillo, Juan A. Sanchez, Neil Pearson, Theodore Kareta, Vishnu Reddy, William F. Bottke","submitted_at":"2021-09-28T18:00:07Z","abstract_excerpt":"Metal-rich near-Earth asteroids (NEAs) represent a small fraction of the NEA population that is mostly dominated by S- and C-type asteroids. Because of this, their identification and study provide us with a unique opportunity to learn more about the formation and evolution of this particular type of bodies, as well as their relationship with meteorites found on Earth. We present near-infrared (NIR) spectroscopic data of NEAs 6178 (1986 DA) and 2016 ED85. We found that the spectral characteristics of these objects are consistent with those of metal-rich asteroids, showing red slopes, convex sha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.13950","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/2109.13950/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":"2109.13950","created_at":"2026-07-05T03:18:30.809257+00:00"},{"alias_kind":"arxiv_version","alias_value":"2109.13950v1","created_at":"2026-07-05T03:18:30.809257+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.13950","created_at":"2026-07-05T03:18:30.809257+00:00"},{"alias_kind":"pith_short_12","alias_value":"KRANH3OPRPAD","created_at":"2026-07-05T03:18:30.809257+00:00"},{"alias_kind":"pith_short_16","alias_value":"KRANH3OPRPADE2B3","created_at":"2026-07-05T03:18:30.809257+00:00"},{"alias_kind":"pith_short_8","alias_value":"KRANH3OP","created_at":"2026-07-05T03:18:30.809257+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/KRANH3OPRPADE2B3UCHGNI2ETO","json":"https://pith.science/pith/KRANH3OPRPADE2B3UCHGNI2ETO.json","graph_json":"https://pith.science/api/pith-number/KRANH3OPRPADE2B3UCHGNI2ETO/graph.json","events_json":"https://pith.science/api/pith-number/KRANH3OPRPADE2B3UCHGNI2ETO/events.json","paper":"https://pith.science/paper/KRANH3OP"},"agent_actions":{"view_html":"https://pith.science/pith/KRANH3OPRPADE2B3UCHGNI2ETO","download_json":"https://pith.science/pith/KRANH3OPRPADE2B3UCHGNI2ETO.json","view_paper":"https://pith.science/paper/KRANH3OP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2109.13950&json=true","fetch_graph":"https://pith.science/api/pith-number/KRANH3OPRPADE2B3UCHGNI2ETO/graph.json","fetch_events":"https://pith.science/api/pith-number/KRANH3OPRPADE2B3UCHGNI2ETO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KRANH3OPRPADE2B3UCHGNI2ETO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KRANH3OPRPADE2B3UCHGNI2ETO/action/storage_attestation","attest_author":"https://pith.science/pith/KRANH3OPRPADE2B3UCHGNI2ETO/action/author_attestation","sign_citation":"https://pith.science/pith/KRANH3OPRPADE2B3UCHGNI2ETO/action/citation_signature","submit_replication":"https://pith.science/pith/KRANH3OPRPADE2B3UCHGNI2ETO/action/replication_record"}},"created_at":"2026-07-05T03:18:30.809257+00:00","updated_at":"2026-07-05T03:18:30.809257+00:00"}