{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:DQIOL7QS7KIXS22OAXEISFQCBA","short_pith_number":"pith:DQIOL7QS","schema_version":"1.0","canonical_sha256":"1c10e5fe12fa91796b4e05c88916020812870a8192f51ff8c7045527fe015841","source":{"kind":"arxiv","id":"1612.07131","version":1},"attestation_state":"computed","paper":{"title":"Nanoindenting the Chelyabinsk meteorite to learn about impact deflection effects in asteroids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Carles E. Moyano-Cambero, Eva Pellicer, Ivan Lloro, Iwan P. Williams, Jordi Sort, Josep M. Trigo-Rodr\\'iguez, J\\\"urgen Blum, Marina Mart\\'inez-Jim\\'enez, Michael K\\\"uppers, Patrick Michel","submitted_at":"2016-12-21T14:22:02Z","abstract_excerpt":"The Chelyabinsk meteorite is a highly shocked, low porosity, ordinary chondrite, probably similar to S- or Q-type asteroids. Therefore, nanoindentation experiments on this meteorite allow us to obtain key data to understand the physical properties of near-Earth asteroids. Tests at different length scales provide information about the local mechanical properties of the minerals forming this meteorite: reduced Young's modulus, hardness, elastic recovery, and fracture toughness. Those tests are also useful to understand the potential to deflect threatening asteroids using a kinetic projectile. We"},"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":"1612.07131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-12-21T14:22:02Z","cross_cats_sorted":[],"title_canon_sha256":"540a27cdfc19fb2ace7dca85b839cd974ff517fdd0bfe0a7776167d02f7a0274","abstract_canon_sha256":"791a021d8e8a2d28cab2d1f318746578d1c08181ddeeda9ea4b8d0599a7a6826"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:41.340485Z","signature_b64":"l+GB55XwSaFhO0IQhf7quxRGXoujO2F5kleNnLin/mL+yEYImRhIIhOA53e7aTOPz5IXrPkvtS7y2N6syz6TBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c10e5fe12fa91796b4e05c88916020812870a8192f51ff8c7045527fe015841","last_reissued_at":"2026-05-18T00:51:41.340108Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:41.340108Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nanoindenting the Chelyabinsk meteorite to learn about impact deflection effects in asteroids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Carles E. Moyano-Cambero, Eva Pellicer, Ivan Lloro, Iwan P. Williams, Jordi Sort, Josep M. Trigo-Rodr\\'iguez, J\\\"urgen Blum, Marina Mart\\'inez-Jim\\'enez, Michael K\\\"uppers, Patrick Michel","submitted_at":"2016-12-21T14:22:02Z","abstract_excerpt":"The Chelyabinsk meteorite is a highly shocked, low porosity, ordinary chondrite, probably similar to S- or Q-type asteroids. Therefore, nanoindentation experiments on this meteorite allow us to obtain key data to understand the physical properties of near-Earth asteroids. Tests at different length scales provide information about the local mechanical properties of the minerals forming this meteorite: reduced Young's modulus, hardness, elastic recovery, and fracture toughness. Those tests are also useful to understand the potential to deflect threatening asteroids using a kinetic projectile. We"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.07131","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1612.07131","created_at":"2026-05-18T00:51:41.340167+00:00"},{"alias_kind":"arxiv_version","alias_value":"1612.07131v1","created_at":"2026-05-18T00:51:41.340167+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.07131","created_at":"2026-05-18T00:51:41.340167+00:00"},{"alias_kind":"pith_short_12","alias_value":"DQIOL7QS7KIX","created_at":"2026-05-18T12:30:12.583610+00:00"},{"alias_kind":"pith_short_16","alias_value":"DQIOL7QS7KIXS22O","created_at":"2026-05-18T12:30:12.583610+00:00"},{"alias_kind":"pith_short_8","alias_value":"DQIOL7QS","created_at":"2026-05-18T12:30:12.583610+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/DQIOL7QS7KIXS22OAXEISFQCBA","json":"https://pith.science/pith/DQIOL7QS7KIXS22OAXEISFQCBA.json","graph_json":"https://pith.science/api/pith-number/DQIOL7QS7KIXS22OAXEISFQCBA/graph.json","events_json":"https://pith.science/api/pith-number/DQIOL7QS7KIXS22OAXEISFQCBA/events.json","paper":"https://pith.science/paper/DQIOL7QS"},"agent_actions":{"view_html":"https://pith.science/pith/DQIOL7QS7KIXS22OAXEISFQCBA","download_json":"https://pith.science/pith/DQIOL7QS7KIXS22OAXEISFQCBA.json","view_paper":"https://pith.science/paper/DQIOL7QS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1612.07131&json=true","fetch_graph":"https://pith.science/api/pith-number/DQIOL7QS7KIXS22OAXEISFQCBA/graph.json","fetch_events":"https://pith.science/api/pith-number/DQIOL7QS7KIXS22OAXEISFQCBA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DQIOL7QS7KIXS22OAXEISFQCBA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DQIOL7QS7KIXS22OAXEISFQCBA/action/storage_attestation","attest_author":"https://pith.science/pith/DQIOL7QS7KIXS22OAXEISFQCBA/action/author_attestation","sign_citation":"https://pith.science/pith/DQIOL7QS7KIXS22OAXEISFQCBA/action/citation_signature","submit_replication":"https://pith.science/pith/DQIOL7QS7KIXS22OAXEISFQCBA/action/replication_record"}},"created_at":"2026-05-18T00:51:41.340167+00:00","updated_at":"2026-05-18T00:51:41.340167+00:00"}