{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:7GCU7MPLU7XY2HCFVLYN5C2RXA","short_pith_number":"pith:7GCU7MPL","canonical_record":{"source":{"id":"1308.2442","kind":"arxiv","version":7},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2013-08-12T00:52:48Z","cross_cats_sorted":["math.DG","math.SG"],"title_canon_sha256":"489cfe1b9888ad761f9f147591baacbb2a442a0a02d5957910eca011cbd6d39b","abstract_canon_sha256":"b097bb03d56bc0047c7b0a8073b8ac2caea42941f3c4dfc538f972694321a619"},"schema_version":"1.0"},"canonical_sha256":"f9854fb1eba7ef8d1c45aaf0de8b51b807cd3632fbf087ade4ffdccae602de0c","source":{"kind":"arxiv","id":"1308.2442","version":7},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.2442","created_at":"2026-05-18T01:04:24Z"},{"alias_kind":"arxiv_version","alias_value":"1308.2442v7","created_at":"2026-05-18T01:04:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.2442","created_at":"2026-05-18T01:04:24Z"},{"alias_kind":"pith_short_12","alias_value":"7GCU7MPLU7XY","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7GCU7MPLU7XY2HCF","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7GCU7MPL","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:7GCU7MPLU7XY2HCFVLYN5C2RXA","target":"record","payload":{"canonical_record":{"source":{"id":"1308.2442","kind":"arxiv","version":7},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2013-08-12T00:52:48Z","cross_cats_sorted":["math.DG","math.SG"],"title_canon_sha256":"489cfe1b9888ad761f9f147591baacbb2a442a0a02d5957910eca011cbd6d39b","abstract_canon_sha256":"b097bb03d56bc0047c7b0a8073b8ac2caea42941f3c4dfc538f972694321a619"},"schema_version":"1.0"},"canonical_sha256":"f9854fb1eba7ef8d1c45aaf0de8b51b807cd3632fbf087ade4ffdccae602de0c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:24.906062Z","signature_b64":"bYU0v44HFQmokmEVBV9AH3yiu9z9UBNgX5/RqkxvqfAd5e2bneeWoD4KdA/A85D2tTUgJL8fAMY/7trCHOF4Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f9854fb1eba7ef8d1c45aaf0de8b51b807cd3632fbf087ade4ffdccae602de0c","last_reissued_at":"2026-05-18T01:04:24.905446Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:24.905446Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.2442","source_version":7,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:04:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pmsiT9uDnsnuReXRHqRl+B3lt8+Chd/RGKhagHVPLb5HQMFGBl3JNzil3cLXg3HwL9Bes6a63zYhCjruqwDXBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T23:39:38.239185Z"},"content_sha256":"83461106a1f95bab0bc4f617d54a462f643864bdc0d5f878942734eaa8e98990","schema_version":"1.0","event_id":"sha256:83461106a1f95bab0bc4f617d54a462f643864bdc0d5f878942734eaa8e98990"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:7GCU7MPLU7XY2HCFVLYN5C2RXA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deformations of holomorphic pseudo-symplectic Poisson manifolds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.DG","math.SG"],"primary_cat":"math.AG","authors_text":"Ziv Ran","submitted_at":"2013-08-12T00:52:48Z","abstract_excerpt":"We prove unobstructed deformations for compact Kaehlerian even-dimensional Poisson manifolds whose Poisson tensor degenerates along a divisor with mild singularities. Examples include Hilbert schemes of del Pezzo surfaces."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.2442","kind":"arxiv","version":7},"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":"2026-05-18T01:04:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l+D8Paac8rekKY1ZE19NSAuhCBODDBAvkmYneRuSoGYDt3N8v9gpd/nmgmv1E/AMP5md8EncWhgMtDjzrmtBAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T23:39:38.239805Z"},"content_sha256":"c1d505a1aff32f72f8c008055d8aeb22f5c07bc5f1a9d8265a6e813e357380a4","schema_version":"1.0","event_id":"sha256:c1d505a1aff32f72f8c008055d8aeb22f5c07bc5f1a9d8265a6e813e357380a4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7GCU7MPLU7XY2HCFVLYN5C2RXA/bundle.json","state_url":"https://pith.science/pith/7GCU7MPLU7XY2HCFVLYN5C2RXA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7GCU7MPLU7XY2HCFVLYN5C2RXA/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":"2026-07-03T23:39:38Z","links":{"resolver":"https://pith.science/pith/7GCU7MPLU7XY2HCFVLYN5C2RXA","bundle":"https://pith.science/pith/7GCU7MPLU7XY2HCFVLYN5C2RXA/bundle.json","state":"https://pith.science/pith/7GCU7MPLU7XY2HCFVLYN5C2RXA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7GCU7MPLU7XY2HCFVLYN5C2RXA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:7GCU7MPLU7XY2HCFVLYN5C2RXA","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":"b097bb03d56bc0047c7b0a8073b8ac2caea42941f3c4dfc538f972694321a619","cross_cats_sorted":["math.DG","math.SG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2013-08-12T00:52:48Z","title_canon_sha256":"489cfe1b9888ad761f9f147591baacbb2a442a0a02d5957910eca011cbd6d39b"},"schema_version":"1.0","source":{"id":"1308.2442","kind":"arxiv","version":7}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.2442","created_at":"2026-05-18T01:04:24Z"},{"alias_kind":"arxiv_version","alias_value":"1308.2442v7","created_at":"2026-05-18T01:04:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.2442","created_at":"2026-05-18T01:04:24Z"},{"alias_kind":"pith_short_12","alias_value":"7GCU7MPLU7XY","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7GCU7MPLU7XY2HCF","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7GCU7MPL","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:c1d505a1aff32f72f8c008055d8aeb22f5c07bc5f1a9d8265a6e813e357380a4","target":"graph","created_at":"2026-05-18T01:04:24Z","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 prove unobstructed deformations for compact Kaehlerian even-dimensional Poisson manifolds whose Poisson tensor degenerates along a divisor with mild singularities. Examples include Hilbert schemes of del Pezzo surfaces.","authors_text":"Ziv Ran","cross_cats":["math.DG","math.SG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2013-08-12T00:52:48Z","title":"Deformations of holomorphic pseudo-symplectic Poisson manifolds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.2442","kind":"arxiv","version":7},"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":"sha256:83461106a1f95bab0bc4f617d54a462f643864bdc0d5f878942734eaa8e98990","target":"record","created_at":"2026-05-18T01:04:24Z","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":"b097bb03d56bc0047c7b0a8073b8ac2caea42941f3c4dfc538f972694321a619","cross_cats_sorted":["math.DG","math.SG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2013-08-12T00:52:48Z","title_canon_sha256":"489cfe1b9888ad761f9f147591baacbb2a442a0a02d5957910eca011cbd6d39b"},"schema_version":"1.0","source":{"id":"1308.2442","kind":"arxiv","version":7}},"canonical_sha256":"f9854fb1eba7ef8d1c45aaf0de8b51b807cd3632fbf087ade4ffdccae602de0c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f9854fb1eba7ef8d1c45aaf0de8b51b807cd3632fbf087ade4ffdccae602de0c","first_computed_at":"2026-05-18T01:04:24.905446Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:04:24.905446Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bYU0v44HFQmokmEVBV9AH3yiu9z9UBNgX5/RqkxvqfAd5e2bneeWoD4KdA/A85D2tTUgJL8fAMY/7trCHOF4Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:04:24.906062Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.2442","source_kind":"arxiv","source_version":7}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:83461106a1f95bab0bc4f617d54a462f643864bdc0d5f878942734eaa8e98990","sha256:c1d505a1aff32f72f8c008055d8aeb22f5c07bc5f1a9d8265a6e813e357380a4"],"state_sha256":"7c99c9e7a38979e605e8f775f379536da475a76427322f559bf62f1c9fbb4044"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"epabqsIBep03X3/NVHfXsMDTMPS/LoxMVsHj0MR0AleuyAZ8aTjjuDp9Xq36xCAFYZH+/qY8fv5Zj1U6zuZODQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T23:39:38.242931Z","bundle_sha256":"c353455f6ea7d2ff030534f33826eafb9ad9f81f7e13cea395095f96bcf38fde"}}