{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:XU34VDYMUL5LE436UHAEECS2G4","short_pith_number":"pith:XU34VDYM","canonical_record":{"source":{"id":"1208.4238","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2012-08-21T11:08:06Z","cross_cats_sorted":[],"title_canon_sha256":"3fd1bce622abbcf79645186820d3bfc2ea8a02fa66f6051414962ae064a25048","abstract_canon_sha256":"97b284b78720f2fa2bb9a5a066b99bce8907d3e42df2b07f1fa1b642d4a7919e"},"schema_version":"1.0"},"canonical_sha256":"bd37ca8f0ca2fab2737ea1c0420a5a372a8479944a7aff16e47c22e31d8906b1","source":{"kind":"arxiv","id":"1208.4238","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.4238","created_at":"2026-05-18T03:48:24Z"},{"alias_kind":"arxiv_version","alias_value":"1208.4238v1","created_at":"2026-05-18T03:48:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.4238","created_at":"2026-05-18T03:48:24Z"},{"alias_kind":"pith_short_12","alias_value":"XU34VDYMUL5L","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XU34VDYMUL5LE436","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XU34VDYM","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:XU34VDYMUL5LE436UHAEECS2G4","target":"record","payload":{"canonical_record":{"source":{"id":"1208.4238","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2012-08-21T11:08:06Z","cross_cats_sorted":[],"title_canon_sha256":"3fd1bce622abbcf79645186820d3bfc2ea8a02fa66f6051414962ae064a25048","abstract_canon_sha256":"97b284b78720f2fa2bb9a5a066b99bce8907d3e42df2b07f1fa1b642d4a7919e"},"schema_version":"1.0"},"canonical_sha256":"bd37ca8f0ca2fab2737ea1c0420a5a372a8479944a7aff16e47c22e31d8906b1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:48:24.052040Z","signature_b64":"sNSkD8Wr3ImupjaxnuCL4x/n3IXsXI4Tx3QdWUDpxCXGb8cpR6ssb4Bx33EdcBqNELW+lk0q9O55xdcJU4NUBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bd37ca8f0ca2fab2737ea1c0420a5a372a8479944a7aff16e47c22e31d8906b1","last_reissued_at":"2026-05-18T03:48:24.051481Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:48:24.051481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.4238","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":"2026-05-18T03:48:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F971k8irleiErKCSd1MLzI/HxLujj/2S5YKN7bnN0X6nKeYj7XWFppKWxL5UR9A2ZH/JKyCwJzUX/77+XW/BBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:50:54.964625Z"},"content_sha256":"ef1242666b886a3aaa6c8f5e4e5dfd5aaf11ad0e1e1444facf197c5acb42a14c","schema_version":"1.0","event_id":"sha256:ef1242666b886a3aaa6c8f5e4e5dfd5aaf11ad0e1e1444facf197c5acb42a14c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:XU34VDYMUL5LE436UHAEECS2G4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fast and sensitive read mapping with approximate seeds and multiple backtracking","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DS","authors_text":"David Weese, Enrico Siragusa, Knut Reinert","submitted_at":"2012-08-21T11:08:06Z","abstract_excerpt":"We present Masai, a read mapper representing the state of the art in terms of speed and sensitivity. Our tool is an order of magnitude faster than RazerS 3 and mrFAST, 2--3 times faster and more accurate than Bowtie 2 and BWA. The novelties of our read mapper are filtration with approximate seeds and a method for multiple backtracking. Approximate seeds, compared to exact seeds, increase filtration specificity while preserving sensitivity. Multiple backtracking amortizes the cost of searching a large set of seeds by taking advantage of the repetitiveness of next-generation sequencing data. Com"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.4238","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":"2026-05-18T03:48:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"plJAeEMCJ7n57AMtlk2OkC4xd5Fo4UqqHh2c1YVlZ5oxwBxIBFNRRLtCdsXfKNTf+/dv3AOVfn/uTFU+oBbDAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:50:54.965364Z"},"content_sha256":"c966d4b6864f3b3b0400f9c5ec9cfd6f10b6f95aeb0eec05c5df520da84faafa","schema_version":"1.0","event_id":"sha256:c966d4b6864f3b3b0400f9c5ec9cfd6f10b6f95aeb0eec05c5df520da84faafa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XU34VDYMUL5LE436UHAEECS2G4/bundle.json","state_url":"https://pith.science/pith/XU34VDYMUL5LE436UHAEECS2G4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XU34VDYMUL5LE436UHAEECS2G4/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":"2026-05-27T20:50:54Z","links":{"resolver":"https://pith.science/pith/XU34VDYMUL5LE436UHAEECS2G4","bundle":"https://pith.science/pith/XU34VDYMUL5LE436UHAEECS2G4/bundle.json","state":"https://pith.science/pith/XU34VDYMUL5LE436UHAEECS2G4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XU34VDYMUL5LE436UHAEECS2G4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:XU34VDYMUL5LE436UHAEECS2G4","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":"97b284b78720f2fa2bb9a5a066b99bce8907d3e42df2b07f1fa1b642d4a7919e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2012-08-21T11:08:06Z","title_canon_sha256":"3fd1bce622abbcf79645186820d3bfc2ea8a02fa66f6051414962ae064a25048"},"schema_version":"1.0","source":{"id":"1208.4238","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.4238","created_at":"2026-05-18T03:48:24Z"},{"alias_kind":"arxiv_version","alias_value":"1208.4238v1","created_at":"2026-05-18T03:48:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.4238","created_at":"2026-05-18T03:48:24Z"},{"alias_kind":"pith_short_12","alias_value":"XU34VDYMUL5L","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XU34VDYMUL5LE436","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XU34VDYM","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:c966d4b6864f3b3b0400f9c5ec9cfd6f10b6f95aeb0eec05c5df520da84faafa","target":"graph","created_at":"2026-05-18T03:48:24Z","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 present Masai, a read mapper representing the state of the art in terms of speed and sensitivity. Our tool is an order of magnitude faster than RazerS 3 and mrFAST, 2--3 times faster and more accurate than Bowtie 2 and BWA. The novelties of our read mapper are filtration with approximate seeds and a method for multiple backtracking. Approximate seeds, compared to exact seeds, increase filtration specificity while preserving sensitivity. Multiple backtracking amortizes the cost of searching a large set of seeds by taking advantage of the repetitiveness of next-generation sequencing data. Com","authors_text":"David Weese, Enrico Siragusa, Knut Reinert","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2012-08-21T11:08:06Z","title":"Fast and sensitive read mapping with approximate seeds and multiple backtracking"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.4238","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:ef1242666b886a3aaa6c8f5e4e5dfd5aaf11ad0e1e1444facf197c5acb42a14c","target":"record","created_at":"2026-05-18T03:48:24Z","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":"97b284b78720f2fa2bb9a5a066b99bce8907d3e42df2b07f1fa1b642d4a7919e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2012-08-21T11:08:06Z","title_canon_sha256":"3fd1bce622abbcf79645186820d3bfc2ea8a02fa66f6051414962ae064a25048"},"schema_version":"1.0","source":{"id":"1208.4238","kind":"arxiv","version":1}},"canonical_sha256":"bd37ca8f0ca2fab2737ea1c0420a5a372a8479944a7aff16e47c22e31d8906b1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bd37ca8f0ca2fab2737ea1c0420a5a372a8479944a7aff16e47c22e31d8906b1","first_computed_at":"2026-05-18T03:48:24.051481Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:48:24.051481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sNSkD8Wr3ImupjaxnuCL4x/n3IXsXI4Tx3QdWUDpxCXGb8cpR6ssb4Bx33EdcBqNELW+lk0q9O55xdcJU4NUBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:48:24.052040Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.4238","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef1242666b886a3aaa6c8f5e4e5dfd5aaf11ad0e1e1444facf197c5acb42a14c","sha256:c966d4b6864f3b3b0400f9c5ec9cfd6f10b6f95aeb0eec05c5df520da84faafa"],"state_sha256":"4605826813626bb359fd0c3d246204c4e635b2985db9704a7c8213024bc9978d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uxoqb6RdCKK+JSyvSsgfUaSdjiaDZkC3QcgEmo8+c8Ry2zACqC7SHfCJ6PFQU9xuqEQZ+TrnO2iM9oR+3my4CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T20:50:54.969166Z","bundle_sha256":"bf8674962b2e18abc28dad35ca6350009373dd4eb1797140ba4c4a436e399ac0"}}