{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:BI3BU4U7OWKEU3GKPXBKN57JSJ","short_pith_number":"pith:BI3BU4U7","canonical_record":{"source":{"id":"1607.06392","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2016-07-21T17:01:26Z","cross_cats_sorted":[],"title_canon_sha256":"4b28474b8bc42caec943523d4964f6d7da639404c1df2585c778f2d5c55c13f8","abstract_canon_sha256":"096b8c6b580efad9f2b552e4ce750e41050005fd76e8e438de6a47d1fb3af969"},"schema_version":"1.0"},"canonical_sha256":"0a361a729f75944a6cca7dc2a6f7e9927530219e30273afd818cb858aa06d0fd","source":{"kind":"arxiv","id":"1607.06392","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.06392","created_at":"2026-05-18T00:42:35Z"},{"alias_kind":"arxiv_version","alias_value":"1607.06392v2","created_at":"2026-05-18T00:42:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.06392","created_at":"2026-05-18T00:42:35Z"},{"alias_kind":"pith_short_12","alias_value":"BI3BU4U7OWKE","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"BI3BU4U7OWKEU3GK","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"BI3BU4U7","created_at":"2026-05-18T12:30:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:BI3BU4U7OWKEU3GKPXBKN57JSJ","target":"record","payload":{"canonical_record":{"source":{"id":"1607.06392","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2016-07-21T17:01:26Z","cross_cats_sorted":[],"title_canon_sha256":"4b28474b8bc42caec943523d4964f6d7da639404c1df2585c778f2d5c55c13f8","abstract_canon_sha256":"096b8c6b580efad9f2b552e4ce750e41050005fd76e8e438de6a47d1fb3af969"},"schema_version":"1.0"},"canonical_sha256":"0a361a729f75944a6cca7dc2a6f7e9927530219e30273afd818cb858aa06d0fd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:35.188604Z","signature_b64":"I8oyd7l7lUaFmCSQqTHBwjjiRNA7JFzJlqRdRBnd+IQ8y7wpgLZK9Z+9/NHHer0+sjrrJyq0FmWRDbferMeDAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0a361a729f75944a6cca7dc2a6f7e9927530219e30273afd818cb858aa06d0fd","last_reissued_at":"2026-05-18T00:42:35.188040Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:35.188040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.06392","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:42:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZF0mMGaCWKdZRMWttfGF8eyhE1FbCB0bwRSqk0JvwY576wJfyKO9uP9MigvsVUVghC9hEiaS4qiun8ju2V1+Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:05:58.955821Z"},"content_sha256":"4069c86502f5bcea8a2380d5897e7d6f7cd487aa38a1d3a7113795ca0330f1a1","schema_version":"1.0","event_id":"sha256:4069c86502f5bcea8a2380d5897e7d6f7cd487aa38a1d3a7113795ca0330f1a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:BI3BU4U7OWKEU3GKPXBKN57JSJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The derived category of a non generic cubic fourfold containing a plane","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.AG","authors_text":"Riccardo Moschetti","submitted_at":"2016-07-21T17:01:26Z","abstract_excerpt":"We describe an Azumaya algebra on the resolution of singularities of the double cover of a plane ramified along a nodal sextic associated to a non generic cubic fourfold containing a plane. We show that the derived category of such a resolution, twisted by the Azumaya algebra, is equivalent to the Kuznetsov component in the semiorthogonal decomposition of the derived category of the cubic fourfold."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.06392","kind":"arxiv","version":2},"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":"2026-05-18T00:42:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mp3vKZk4A47dUCpDWW5YOT/k6GUyJdMsjCxDVFmOdhdmsWVzu6I4h7OFUfcZd+Bhqy8fYLYLnKIAA3mO7FFSCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:05:58.956155Z"},"content_sha256":"3000265f3b3833d0287af1a28eeae3003c1e2667e925b97f2f72b487601d4a90","schema_version":"1.0","event_id":"sha256:3000265f3b3833d0287af1a28eeae3003c1e2667e925b97f2f72b487601d4a90"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BI3BU4U7OWKEU3GKPXBKN57JSJ/bundle.json","state_url":"https://pith.science/pith/BI3BU4U7OWKEU3GKPXBKN57JSJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BI3BU4U7OWKEU3GKPXBKN57JSJ/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":"2026-06-01T20:05:58Z","links":{"resolver":"https://pith.science/pith/BI3BU4U7OWKEU3GKPXBKN57JSJ","bundle":"https://pith.science/pith/BI3BU4U7OWKEU3GKPXBKN57JSJ/bundle.json","state":"https://pith.science/pith/BI3BU4U7OWKEU3GKPXBKN57JSJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BI3BU4U7OWKEU3GKPXBKN57JSJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:BI3BU4U7OWKEU3GKPXBKN57JSJ","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":"096b8c6b580efad9f2b552e4ce750e41050005fd76e8e438de6a47d1fb3af969","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2016-07-21T17:01:26Z","title_canon_sha256":"4b28474b8bc42caec943523d4964f6d7da639404c1df2585c778f2d5c55c13f8"},"schema_version":"1.0","source":{"id":"1607.06392","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.06392","created_at":"2026-05-18T00:42:35Z"},{"alias_kind":"arxiv_version","alias_value":"1607.06392v2","created_at":"2026-05-18T00:42:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.06392","created_at":"2026-05-18T00:42:35Z"},{"alias_kind":"pith_short_12","alias_value":"BI3BU4U7OWKE","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"BI3BU4U7OWKEU3GK","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"BI3BU4U7","created_at":"2026-05-18T12:30:07Z"}],"graph_snapshots":[{"event_id":"sha256:3000265f3b3833d0287af1a28eeae3003c1e2667e925b97f2f72b487601d4a90","target":"graph","created_at":"2026-05-18T00:42:35Z","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 describe an Azumaya algebra on the resolution of singularities of the double cover of a plane ramified along a nodal sextic associated to a non generic cubic fourfold containing a plane. We show that the derived category of such a resolution, twisted by the Azumaya algebra, is equivalent to the Kuznetsov component in the semiorthogonal decomposition of the derived category of the cubic fourfold.","authors_text":"Riccardo Moschetti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2016-07-21T17:01:26Z","title":"The derived category of a non generic cubic fourfold containing a plane"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.06392","kind":"arxiv","version":2},"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":"sha256:4069c86502f5bcea8a2380d5897e7d6f7cd487aa38a1d3a7113795ca0330f1a1","target":"record","created_at":"2026-05-18T00:42:35Z","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":"096b8c6b580efad9f2b552e4ce750e41050005fd76e8e438de6a47d1fb3af969","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2016-07-21T17:01:26Z","title_canon_sha256":"4b28474b8bc42caec943523d4964f6d7da639404c1df2585c778f2d5c55c13f8"},"schema_version":"1.0","source":{"id":"1607.06392","kind":"arxiv","version":2}},"canonical_sha256":"0a361a729f75944a6cca7dc2a6f7e9927530219e30273afd818cb858aa06d0fd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a361a729f75944a6cca7dc2a6f7e9927530219e30273afd818cb858aa06d0fd","first_computed_at":"2026-05-18T00:42:35.188040Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:35.188040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I8oyd7l7lUaFmCSQqTHBwjjiRNA7JFzJlqRdRBnd+IQ8y7wpgLZK9Z+9/NHHer0+sjrrJyq0FmWRDbferMeDAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:35.188604Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.06392","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4069c86502f5bcea8a2380d5897e7d6f7cd487aa38a1d3a7113795ca0330f1a1","sha256:3000265f3b3833d0287af1a28eeae3003c1e2667e925b97f2f72b487601d4a90"],"state_sha256":"4768922c97b9314351f7d4df717cc4fc10d14a8624dc4822d6ac4b05078488ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W7oGif7OMTy9maKukkWFCd9aiz08i6g5KPzlaAdniJds976AXwzKNsLQHqG9BE5s+MfLX5QRL7ZLB9bM8vVWDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T20:05:58.958055Z","bundle_sha256":"625d6424b8dfd05bfdff0c497a3b082b85acc8df9f204a502dc288830e521858"}}