{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:DHOYUGT6W4UISHHD3UAEDI2IIA","short_pith_number":"pith:DHOYUGT6","schema_version":"1.0","canonical_sha256":"19dd8a1a7eb728891ce3dd0041a348401989b3df4be970fb0740e39cd291df7d","source":{"kind":"arxiv","id":"1808.08339","version":1},"attestation_state":"computed","paper":{"title":"On the motive of intersections of two Grassmannians in ${\\mathbb{P}}^9$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.AG","authors_text":"Robert Laterveer","submitted_at":"2018-08-25T01:05:06Z","abstract_excerpt":"Using intersections of two Grassmannians in ${\\mathbb{P}}^9$, Ottem-Rennemo and Borisov-C\\u{a}ld\\u{a}raru-Perry have exhibited pairs of Calabi-Yau threefolds $X$ and $Y$ that are deformation equivalent, L-equivalent and derived equivalent, but not birational. To complete the picture, we show that $X$ and $Y$ have isomorphic Chow motives."},"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":"1808.08339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2018-08-25T01:05:06Z","cross_cats_sorted":[],"title_canon_sha256":"8fb4bdacf004f309c70bc3a6ecd1d1c2718469249b7a24e30bd986f5d5ef090c","abstract_canon_sha256":"9088d25dc7efff0d169c3c4f80a5d670bb8484d9912422728a47da6a232f3b3c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:19.286689Z","signature_b64":"r23YG/f3yg2x5+VaSyy6weR185OE5R2SY98BJlASJTM5sdge48xvvwfhMZ9su5dvoJ33GhdI8gJP71dpBx2LDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19dd8a1a7eb728891ce3dd0041a348401989b3df4be970fb0740e39cd291df7d","last_reissued_at":"2026-05-18T00:07:19.286289Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:19.286289Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the motive of intersections of two Grassmannians in ${\\mathbb{P}}^9$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.AG","authors_text":"Robert Laterveer","submitted_at":"2018-08-25T01:05:06Z","abstract_excerpt":"Using intersections of two Grassmannians in ${\\mathbb{P}}^9$, Ottem-Rennemo and Borisov-C\\u{a}ld\\u{a}raru-Perry have exhibited pairs of Calabi-Yau threefolds $X$ and $Y$ that are deformation equivalent, L-equivalent and derived equivalent, but not birational. To complete the picture, we show that $X$ and $Y$ have isomorphic Chow motives."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.08339","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":"1808.08339","created_at":"2026-05-18T00:07:19.286353+00:00"},{"alias_kind":"arxiv_version","alias_value":"1808.08339v1","created_at":"2026-05-18T00:07:19.286353+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.08339","created_at":"2026-05-18T00:07:19.286353+00:00"},{"alias_kind":"pith_short_12","alias_value":"DHOYUGT6W4UI","created_at":"2026-05-18T12:32:19.392346+00:00"},{"alias_kind":"pith_short_16","alias_value":"DHOYUGT6W4UISHHD","created_at":"2026-05-18T12:32:19.392346+00:00"},{"alias_kind":"pith_short_8","alias_value":"DHOYUGT6","created_at":"2026-05-18T12:32:19.392346+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/DHOYUGT6W4UISHHD3UAEDI2IIA","json":"https://pith.science/pith/DHOYUGT6W4UISHHD3UAEDI2IIA.json","graph_json":"https://pith.science/api/pith-number/DHOYUGT6W4UISHHD3UAEDI2IIA/graph.json","events_json":"https://pith.science/api/pith-number/DHOYUGT6W4UISHHD3UAEDI2IIA/events.json","paper":"https://pith.science/paper/DHOYUGT6"},"agent_actions":{"view_html":"https://pith.science/pith/DHOYUGT6W4UISHHD3UAEDI2IIA","download_json":"https://pith.science/pith/DHOYUGT6W4UISHHD3UAEDI2IIA.json","view_paper":"https://pith.science/paper/DHOYUGT6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1808.08339&json=true","fetch_graph":"https://pith.science/api/pith-number/DHOYUGT6W4UISHHD3UAEDI2IIA/graph.json","fetch_events":"https://pith.science/api/pith-number/DHOYUGT6W4UISHHD3UAEDI2IIA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DHOYUGT6W4UISHHD3UAEDI2IIA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DHOYUGT6W4UISHHD3UAEDI2IIA/action/storage_attestation","attest_author":"https://pith.science/pith/DHOYUGT6W4UISHHD3UAEDI2IIA/action/author_attestation","sign_citation":"https://pith.science/pith/DHOYUGT6W4UISHHD3UAEDI2IIA/action/citation_signature","submit_replication":"https://pith.science/pith/DHOYUGT6W4UISHHD3UAEDI2IIA/action/replication_record"}},"created_at":"2026-05-18T00:07:19.286353+00:00","updated_at":"2026-05-18T00:07:19.286353+00:00"}