{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:V3QI7QHHGBETFKZR7HTIYSWYV5","short_pith_number":"pith:V3QI7QHH","canonical_record":{"source":{"id":"2003.11817","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.GN","submitted_at":"2020-03-26T10:02:03Z","cross_cats_sorted":[],"title_canon_sha256":"2ad2f4248babb0ecf302f18fb9f9bb12d11fcd6027d0ffa5213b4959fd85ead6","abstract_canon_sha256":"b4586b86db99fb3aee9afbf55a2a9172678390967bd41f3f470379a359fae823"},"schema_version":"1.0"},"canonical_sha256":"aee08fc0e7304932ab31f9e68c4ad8af7c8a4f1441bcfab7c9e702b5740f9f1e","source":{"kind":"arxiv","id":"2003.11817","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.11817","created_at":"2026-07-05T00:50:47Z"},{"alias_kind":"arxiv_version","alias_value":"2003.11817v1","created_at":"2026-07-05T00:50:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.11817","created_at":"2026-07-05T00:50:47Z"},{"alias_kind":"pith_short_12","alias_value":"V3QI7QHHGBET","created_at":"2026-07-05T00:50:47Z"},{"alias_kind":"pith_short_16","alias_value":"V3QI7QHHGBETFKZR","created_at":"2026-07-05T00:50:47Z"},{"alias_kind":"pith_short_8","alias_value":"V3QI7QHH","created_at":"2026-07-05T00:50:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:V3QI7QHHGBETFKZR7HTIYSWYV5","target":"record","payload":{"canonical_record":{"source":{"id":"2003.11817","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.GN","submitted_at":"2020-03-26T10:02:03Z","cross_cats_sorted":[],"title_canon_sha256":"2ad2f4248babb0ecf302f18fb9f9bb12d11fcd6027d0ffa5213b4959fd85ead6","abstract_canon_sha256":"b4586b86db99fb3aee9afbf55a2a9172678390967bd41f3f470379a359fae823"},"schema_version":"1.0"},"canonical_sha256":"aee08fc0e7304932ab31f9e68c4ad8af7c8a4f1441bcfab7c9e702b5740f9f1e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:50:47.768107Z","signature_b64":"c6gd4IpyNXzsClbjFhCWeav78Sufay+6DgMONBqw+wjhC6USzgz0dmbTREOCw7klGqy5G1QZUmjAD+YaMiNMDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aee08fc0e7304932ab31f9e68c4ad8af7c8a4f1441bcfab7c9e702b5740f9f1e","last_reissued_at":"2026-07-05T00:50:47.767650Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:50:47.767650Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2003.11817","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":"2026-07-05T00:50:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7JRl136m9q+9GhHB2dut5LRWHen+LApL98tpTg01fZSDP/tpKByyfM6+N7/DPjHxlVUgB5cy+pxlP5ZX1N6BDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T13:49:07.558690Z"},"content_sha256":"bd9c14428da376fd04e9500ebefc09b6f4386cf26a66a04bfd6f68a151caafb2","schema_version":"1.0","event_id":"sha256:bd9c14428da376fd04e9500ebefc09b6f4386cf26a66a04bfd6f68a151caafb2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:V3QI7QHHGBETFKZR7HTIYSWYV5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Estimation of genome size using k-mer frequencies from corrected long reads","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.GN","authors_text":"Bo Liu, Fan Jiang, Hangwei Liu, Hengchao Wang, Lijuan Yin, Sen Wang, Wei Fan, Yan Zhang, Yuwei Ren","submitted_at":"2020-03-26T10:02:03Z","abstract_excerpt":"The third-generation long reads sequencing technologies, such as PacBio and Nanopore, have great advantages over second-generation Illumina sequencing in de novo assembly studies. However, due to the inherent low base accuracy, third-generation sequencing data cannot be used for k-mer counting and estimating genomic profile based on k-mer frequencies. Thus, in current genome projects, second-generation data is also necessary for accurately determining genome size and other genomic characteristics. We show that corrected third-generation data can be used to count k-mer frequencies and estimate "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.11817","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2003.11817/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:50:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ci0+Y5vWAY6JD8dR3Hsihiltr1X462wvpmhBL4URSoVoDMNwTnKu7IOYRyKpew+83j+00og1jLGqvhT/wP6+AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T13:49:07.559225Z"},"content_sha256":"b6753e0bfe31c4aad1bfee90a875c2badc0b7c84be50453529ee49566e4bdc4b","schema_version":"1.0","event_id":"sha256:b6753e0bfe31c4aad1bfee90a875c2badc0b7c84be50453529ee49566e4bdc4b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V3QI7QHHGBETFKZR7HTIYSWYV5/bundle.json","state_url":"https://pith.science/pith/V3QI7QHHGBETFKZR7HTIYSWYV5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V3QI7QHHGBETFKZR7HTIYSWYV5/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":"2026-08-04T13:49:07Z","links":{"resolver":"https://pith.science/pith/V3QI7QHHGBETFKZR7HTIYSWYV5","bundle":"https://pith.science/pith/V3QI7QHHGBETFKZR7HTIYSWYV5/bundle.json","state":"https://pith.science/pith/V3QI7QHHGBETFKZR7HTIYSWYV5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V3QI7QHHGBETFKZR7HTIYSWYV5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:V3QI7QHHGBETFKZR7HTIYSWYV5","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":"b4586b86db99fb3aee9afbf55a2a9172678390967bd41f3f470379a359fae823","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.GN","submitted_at":"2020-03-26T10:02:03Z","title_canon_sha256":"2ad2f4248babb0ecf302f18fb9f9bb12d11fcd6027d0ffa5213b4959fd85ead6"},"schema_version":"1.0","source":{"id":"2003.11817","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.11817","created_at":"2026-07-05T00:50:47Z"},{"alias_kind":"arxiv_version","alias_value":"2003.11817v1","created_at":"2026-07-05T00:50:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.11817","created_at":"2026-07-05T00:50:47Z"},{"alias_kind":"pith_short_12","alias_value":"V3QI7QHHGBET","created_at":"2026-07-05T00:50:47Z"},{"alias_kind":"pith_short_16","alias_value":"V3QI7QHHGBETFKZR","created_at":"2026-07-05T00:50:47Z"},{"alias_kind":"pith_short_8","alias_value":"V3QI7QHH","created_at":"2026-07-05T00:50:47Z"}],"graph_snapshots":[{"event_id":"sha256:b6753e0bfe31c4aad1bfee90a875c2badc0b7c84be50453529ee49566e4bdc4b","target":"graph","created_at":"2026-07-05T00:50:47Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2003.11817/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The third-generation long reads sequencing technologies, such as PacBio and Nanopore, have great advantages over second-generation Illumina sequencing in de novo assembly studies. However, due to the inherent low base accuracy, third-generation sequencing data cannot be used for k-mer counting and estimating genomic profile based on k-mer frequencies. Thus, in current genome projects, second-generation data is also necessary for accurately determining genome size and other genomic characteristics. We show that corrected third-generation data can be used to count k-mer frequencies and estimate ","authors_text":"Bo Liu, Fan Jiang, Hangwei Liu, Hengchao Wang, Lijuan Yin, Sen Wang, Wei Fan, Yan Zhang, Yuwei Ren","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.GN","submitted_at":"2020-03-26T10:02:03Z","title":"Estimation of genome size using k-mer frequencies from corrected long reads"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.11817","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:bd9c14428da376fd04e9500ebefc09b6f4386cf26a66a04bfd6f68a151caafb2","target":"record","created_at":"2026-07-05T00:50:47Z","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":"b4586b86db99fb3aee9afbf55a2a9172678390967bd41f3f470379a359fae823","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.GN","submitted_at":"2020-03-26T10:02:03Z","title_canon_sha256":"2ad2f4248babb0ecf302f18fb9f9bb12d11fcd6027d0ffa5213b4959fd85ead6"},"schema_version":"1.0","source":{"id":"2003.11817","kind":"arxiv","version":1}},"canonical_sha256":"aee08fc0e7304932ab31f9e68c4ad8af7c8a4f1441bcfab7c9e702b5740f9f1e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aee08fc0e7304932ab31f9e68c4ad8af7c8a4f1441bcfab7c9e702b5740f9f1e","first_computed_at":"2026-07-05T00:50:47.767650Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:50:47.767650Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c6gd4IpyNXzsClbjFhCWeav78Sufay+6DgMONBqw+wjhC6USzgz0dmbTREOCw7klGqy5G1QZUmjAD+YaMiNMDg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:50:47.768107Z","signed_message":"canonical_sha256_bytes"},"source_id":"2003.11817","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd9c14428da376fd04e9500ebefc09b6f4386cf26a66a04bfd6f68a151caafb2","sha256:b6753e0bfe31c4aad1bfee90a875c2badc0b7c84be50453529ee49566e4bdc4b"],"state_sha256":"d395f91081d85bcb99000fc36da72dcbb6887be29f4647600aa4217d339ed2c1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/K4kLy1tErk2P2nM1XaAuMjHwhMhH1ovi4CZUj4wWwpkQbJu1kVhtBDY6QGCHJUrH75o/GazAPr3raDSB8lnAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T13:49:07.598022Z","bundle_sha256":"0073b34c417e6e11c8145234b3037ce57f0053b50e860186b2bbd29a0d0f3e3c"}}