{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:ZPEICH2S2RW75A465HAXIN3MQH","short_pith_number":"pith:ZPEICH2S","canonical_record":{"source":{"id":"1802.07032","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2018-02-20T09:52:37Z","cross_cats_sorted":[],"title_canon_sha256":"972764d2ea2a130fb821cd89b146cbe93d80fc392c2ccca6211eccd8f1d48068","abstract_canon_sha256":"b5199b574248540a9aa6ac02244f0afdac7363af6ec5d2366708d51de4cdf1cc"},"schema_version":"1.0"},"canonical_sha256":"cbc8811f52d46dfe839ee9c174376c81fa6739115d7beeb3c8ae467ede4d12da","source":{"kind":"arxiv","id":"1802.07032","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.07032","created_at":"2026-05-18T00:22:53Z"},{"alias_kind":"arxiv_version","alias_value":"1802.07032v1","created_at":"2026-05-18T00:22:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.07032","created_at":"2026-05-18T00:22:53Z"},{"alias_kind":"pith_short_12","alias_value":"ZPEICH2S2RW7","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZPEICH2S2RW75A46","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZPEICH2S","created_at":"2026-05-18T12:33:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:ZPEICH2S2RW75A465HAXIN3MQH","target":"record","payload":{"canonical_record":{"source":{"id":"1802.07032","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2018-02-20T09:52:37Z","cross_cats_sorted":[],"title_canon_sha256":"972764d2ea2a130fb821cd89b146cbe93d80fc392c2ccca6211eccd8f1d48068","abstract_canon_sha256":"b5199b574248540a9aa6ac02244f0afdac7363af6ec5d2366708d51de4cdf1cc"},"schema_version":"1.0"},"canonical_sha256":"cbc8811f52d46dfe839ee9c174376c81fa6739115d7beeb3c8ae467ede4d12da","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:53.691281Z","signature_b64":"3Jzzp0M8qUaclbFkl9LGpWcsAuQLrP0SquMWX7bYAqNaz3VhWiT9Zzsshw9zcZpC2kFtICuJmZU2TUmh2DQTBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cbc8811f52d46dfe839ee9c174376c81fa6739115d7beeb3c8ae467ede4d12da","last_reissued_at":"2026-05-18T00:22:53.690855Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:53.690855Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.07032","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:22:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9vLHsyxq+Ij8PskjM9sVSpsDBD2Ql0c2D7FmV8r5ZN8JJgzaWBEjXa8iAwiZB9gj+32RwN+lh7YOENr68Gu5Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T20:11:25.252706Z"},"content_sha256":"8238ac4905ea4b5289a310dc058064ff55add6c3b72185f0edee22f5bc947004","schema_version":"1.0","event_id":"sha256:8238ac4905ea4b5289a310dc058064ff55add6c3b72185f0edee22f5bc947004"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:ZPEICH2S2RW75A465HAXIN3MQH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A remark on the Chow ring of Sicilian surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.AG","authors_text":"Robert Laterveer","submitted_at":"2018-02-20T09:52:37Z","abstract_excerpt":"We propose a \"Bloch type\" conjecture for surfaces: if the cup product map in coherent cohomology is zero, then all intersections of homologically trivial divisors should be zero in the Chow group of zero-cycles. We prove this conjecture for Sicilian surfaces."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.07032","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:22:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T8iogg4DVUOCdSopjyTEqStPPoxzbfZakF2w72fxOqHXKDYQK+zswwgImSgQSELt/lxOcJxF/NND8AhHqIchAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T20:11:25.253073Z"},"content_sha256":"9796c604c2b0720948885be4d9858db783c947bd2ed503d929e713e91538d7ba","schema_version":"1.0","event_id":"sha256:9796c604c2b0720948885be4d9858db783c947bd2ed503d929e713e91538d7ba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZPEICH2S2RW75A465HAXIN3MQH/bundle.json","state_url":"https://pith.science/pith/ZPEICH2S2RW75A465HAXIN3MQH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZPEICH2S2RW75A465HAXIN3MQH/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":"2026-06-06T20:11:25Z","links":{"resolver":"https://pith.science/pith/ZPEICH2S2RW75A465HAXIN3MQH","bundle":"https://pith.science/pith/ZPEICH2S2RW75A465HAXIN3MQH/bundle.json","state":"https://pith.science/pith/ZPEICH2S2RW75A465HAXIN3MQH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZPEICH2S2RW75A465HAXIN3MQH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ZPEICH2S2RW75A465HAXIN3MQH","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":"b5199b574248540a9aa6ac02244f0afdac7363af6ec5d2366708d51de4cdf1cc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2018-02-20T09:52:37Z","title_canon_sha256":"972764d2ea2a130fb821cd89b146cbe93d80fc392c2ccca6211eccd8f1d48068"},"schema_version":"1.0","source":{"id":"1802.07032","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.07032","created_at":"2026-05-18T00:22:53Z"},{"alias_kind":"arxiv_version","alias_value":"1802.07032v1","created_at":"2026-05-18T00:22:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.07032","created_at":"2026-05-18T00:22:53Z"},{"alias_kind":"pith_short_12","alias_value":"ZPEICH2S2RW7","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZPEICH2S2RW75A46","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZPEICH2S","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:9796c604c2b0720948885be4d9858db783c947bd2ed503d929e713e91538d7ba","target":"graph","created_at":"2026-05-18T00:22:53Z","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":"We propose a \"Bloch type\" conjecture for surfaces: if the cup product map in coherent cohomology is zero, then all intersections of homologically trivial divisors should be zero in the Chow group of zero-cycles. We prove this conjecture for Sicilian surfaces.","authors_text":"Robert Laterveer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2018-02-20T09:52:37Z","title":"A remark on the Chow ring of Sicilian surfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.07032","kind":"arxiv","version":1},"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":"sha256:8238ac4905ea4b5289a310dc058064ff55add6c3b72185f0edee22f5bc947004","target":"record","created_at":"2026-05-18T00:22:53Z","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":"b5199b574248540a9aa6ac02244f0afdac7363af6ec5d2366708d51de4cdf1cc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2018-02-20T09:52:37Z","title_canon_sha256":"972764d2ea2a130fb821cd89b146cbe93d80fc392c2ccca6211eccd8f1d48068"},"schema_version":"1.0","source":{"id":"1802.07032","kind":"arxiv","version":1}},"canonical_sha256":"cbc8811f52d46dfe839ee9c174376c81fa6739115d7beeb3c8ae467ede4d12da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cbc8811f52d46dfe839ee9c174376c81fa6739115d7beeb3c8ae467ede4d12da","first_computed_at":"2026-05-18T00:22:53.690855Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:53.690855Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3Jzzp0M8qUaclbFkl9LGpWcsAuQLrP0SquMWX7bYAqNaz3VhWiT9Zzsshw9zcZpC2kFtICuJmZU2TUmh2DQTBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:53.691281Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.07032","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8238ac4905ea4b5289a310dc058064ff55add6c3b72185f0edee22f5bc947004","sha256:9796c604c2b0720948885be4d9858db783c947bd2ed503d929e713e91538d7ba"],"state_sha256":"8f625f0efc11f6d98e53dcf18219fd58b736b2024401206a800d6a2227603ef9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9APUGX5CGpovkLQe2J0Pu0U7MfVUs43WL7S0xcS/3Zxt5m65+woLQjiyp2Ei23aOMFlcEqDoJOHSeLuTCnYFBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T20:11:25.254957Z","bundle_sha256":"ea751e2f60cb9fa83eddc8baf4448daa67f41fd8b578cbcd2314c19fb80f6f74"}}