{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:FYP2OE5SRAJ2XZQHU7UWKOHVMY","short_pith_number":"pith:FYP2OE5S","canonical_record":{"source":{"id":"1901.08191","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2019-01-24T01:46:18Z","cross_cats_sorted":[],"title_canon_sha256":"15e54eb8794a6862e0d4c9fa4c653928b060664a40605fb27974408299e78ab3","abstract_canon_sha256":"c6aef9eed0b34b462c1a03d117680995de8b98db827e42e986e37c2f0c16504f"},"schema_version":"1.0"},"canonical_sha256":"2e1fa713b28813abe607a7e96538f5661bb62f132d1c33cb6914d247d6f37550","source":{"kind":"arxiv","id":"1901.08191","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.08191","created_at":"2026-05-17T23:55:37Z"},{"alias_kind":"arxiv_version","alias_value":"1901.08191v1","created_at":"2026-05-17T23:55:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.08191","created_at":"2026-05-17T23:55:37Z"},{"alias_kind":"pith_short_12","alias_value":"FYP2OE5SRAJ2","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"FYP2OE5SRAJ2XZQH","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"FYP2OE5S","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:FYP2OE5SRAJ2XZQHU7UWKOHVMY","target":"record","payload":{"canonical_record":{"source":{"id":"1901.08191","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2019-01-24T01:46:18Z","cross_cats_sorted":[],"title_canon_sha256":"15e54eb8794a6862e0d4c9fa4c653928b060664a40605fb27974408299e78ab3","abstract_canon_sha256":"c6aef9eed0b34b462c1a03d117680995de8b98db827e42e986e37c2f0c16504f"},"schema_version":"1.0"},"canonical_sha256":"2e1fa713b28813abe607a7e96538f5661bb62f132d1c33cb6914d247d6f37550","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:37.696293Z","signature_b64":"XR6LBRXyWhDtKgebfpFUe4o3pO9FkbfNP2Ilm/WW2JrF3XoM7B5e05eXQHl3S1nvmaRQ1GmC0W1XBoJ90bxACg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e1fa713b28813abe607a7e96538f5661bb62f132d1c33cb6914d247d6f37550","last_reissued_at":"2026-05-17T23:55:37.695906Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:37.695906Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.08191","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":"2026-05-17T23:55:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wZyFCj3IvzRQCsgydGRCFm2yrTsEYAj6odyTi8TSmqce5IcIcx8HRB60xV3j6FgjWxFbRaFth7g+Le1GTzHWAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T17:34:31.212617Z"},"content_sha256":"8973c480fc8f90ef740d5dab4ca4ddb9d69682652ff7e1f4f4dea047b430d490","schema_version":"1.0","event_id":"sha256:8973c480fc8f90ef740d5dab4ca4ddb9d69682652ff7e1f4f4dea047b430d490"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:FYP2OE5SRAJ2XZQHU7UWKOHVMY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On projective threefolds of general type with p_g=2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.AG","authors_text":"Matteo Penegini, Meng Chen, Yong Hu","submitted_at":"2019-01-24T01:46:18Z","abstract_excerpt":"We classify minimal projective 3-folds of general type with $p_g = 2$ by studying the birationality of their 6-canonical maps."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.08191","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":"2026-05-17T23:55:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GUR8ZQDvHYotmjpj2EmjGKtliQWiNqRxUSl1HLJMJ6bDha3ai8GcxiWyORzto0yluRGNWLzGrVMurvo1YuW5BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T17:34:31.213300Z"},"content_sha256":"57d371fbbc43f103fd883fac3e71f2a42d0c7c422d4f789e2d35c2bbb9ed8b34","schema_version":"1.0","event_id":"sha256:57d371fbbc43f103fd883fac3e71f2a42d0c7c422d4f789e2d35c2bbb9ed8b34"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FYP2OE5SRAJ2XZQHU7UWKOHVMY/bundle.json","state_url":"https://pith.science/pith/FYP2OE5SRAJ2XZQHU7UWKOHVMY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FYP2OE5SRAJ2XZQHU7UWKOHVMY/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":"2026-06-08T17:34:31Z","links":{"resolver":"https://pith.science/pith/FYP2OE5SRAJ2XZQHU7UWKOHVMY","bundle":"https://pith.science/pith/FYP2OE5SRAJ2XZQHU7UWKOHVMY/bundle.json","state":"https://pith.science/pith/FYP2OE5SRAJ2XZQHU7UWKOHVMY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FYP2OE5SRAJ2XZQHU7UWKOHVMY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:FYP2OE5SRAJ2XZQHU7UWKOHVMY","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":"c6aef9eed0b34b462c1a03d117680995de8b98db827e42e986e37c2f0c16504f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2019-01-24T01:46:18Z","title_canon_sha256":"15e54eb8794a6862e0d4c9fa4c653928b060664a40605fb27974408299e78ab3"},"schema_version":"1.0","source":{"id":"1901.08191","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.08191","created_at":"2026-05-17T23:55:37Z"},{"alias_kind":"arxiv_version","alias_value":"1901.08191v1","created_at":"2026-05-17T23:55:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.08191","created_at":"2026-05-17T23:55:37Z"},{"alias_kind":"pith_short_12","alias_value":"FYP2OE5SRAJ2","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"FYP2OE5SRAJ2XZQH","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"FYP2OE5S","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:57d371fbbc43f103fd883fac3e71f2a42d0c7c422d4f789e2d35c2bbb9ed8b34","target":"graph","created_at":"2026-05-17T23:55:37Z","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 classify minimal projective 3-folds of general type with $p_g = 2$ by studying the birationality of their 6-canonical maps.","authors_text":"Matteo Penegini, Meng Chen, Yong Hu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2019-01-24T01:46:18Z","title":"On projective threefolds of general type with p_g=2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.08191","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":"sha256:8973c480fc8f90ef740d5dab4ca4ddb9d69682652ff7e1f4f4dea047b430d490","target":"record","created_at":"2026-05-17T23:55:37Z","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":"c6aef9eed0b34b462c1a03d117680995de8b98db827e42e986e37c2f0c16504f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2019-01-24T01:46:18Z","title_canon_sha256":"15e54eb8794a6862e0d4c9fa4c653928b060664a40605fb27974408299e78ab3"},"schema_version":"1.0","source":{"id":"1901.08191","kind":"arxiv","version":1}},"canonical_sha256":"2e1fa713b28813abe607a7e96538f5661bb62f132d1c33cb6914d247d6f37550","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e1fa713b28813abe607a7e96538f5661bb62f132d1c33cb6914d247d6f37550","first_computed_at":"2026-05-17T23:55:37.695906Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:37.695906Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XR6LBRXyWhDtKgebfpFUe4o3pO9FkbfNP2Ilm/WW2JrF3XoM7B5e05eXQHl3S1nvmaRQ1GmC0W1XBoJ90bxACg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:37.696293Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.08191","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8973c480fc8f90ef740d5dab4ca4ddb9d69682652ff7e1f4f4dea047b430d490","sha256:57d371fbbc43f103fd883fac3e71f2a42d0c7c422d4f789e2d35c2bbb9ed8b34"],"state_sha256":"33dfe0389129dcbd694da3d6d5b3722484b275fce7c16d1029ba8a2fdc44ac5e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xuzosMgAwobz1hVFmnxtZDWjgn2WT8vcQbANbKVBiHIKuroGkX3G9z1nh73zw/HYCu2ed6E/jppAtp/WboltBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T17:34:31.217117Z","bundle_sha256":"551726a2a6c4a8c543642626163af8e36879bbcfc416f2e8d30a4d64a0ef91a4"}}