{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:65ZUHVK3COL5PFYW5GVKOJITH7","short_pith_number":"pith:65ZUHVK3","canonical_record":{"source":{"id":"1809.07014","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-09-19T04:53:39Z","cross_cats_sorted":["q-bio.GN"],"title_canon_sha256":"0321a59d1af0341d30fa84c48b7abe73ca75fa90610e3ab721395938e31aaa06","abstract_canon_sha256":"254ad206acc9ac288a4df78ef908e7210663daca33088d56dd803d6d5467754a"},"schema_version":"1.0"},"canonical_sha256":"f77343d55b1397d79716e9aaa725133ffd750ae90d79c2e74bb1d420ca98bc57","source":{"kind":"arxiv","id":"1809.07014","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.07014","created_at":"2026-05-18T00:05:20Z"},{"alias_kind":"arxiv_version","alias_value":"1809.07014v1","created_at":"2026-05-18T00:05:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.07014","created_at":"2026-05-18T00:05:20Z"},{"alias_kind":"pith_short_12","alias_value":"65ZUHVK3COL5","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"65ZUHVK3COL5PFYW","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"65ZUHVK3","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:65ZUHVK3COL5PFYW5GVKOJITH7","target":"record","payload":{"canonical_record":{"source":{"id":"1809.07014","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-09-19T04:53:39Z","cross_cats_sorted":["q-bio.GN"],"title_canon_sha256":"0321a59d1af0341d30fa84c48b7abe73ca75fa90610e3ab721395938e31aaa06","abstract_canon_sha256":"254ad206acc9ac288a4df78ef908e7210663daca33088d56dd803d6d5467754a"},"schema_version":"1.0"},"canonical_sha256":"f77343d55b1397d79716e9aaa725133ffd750ae90d79c2e74bb1d420ca98bc57","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:20.915601Z","signature_b64":"XZCEIn0uKtZED2TrJi+lQtG2kZi+uJsW0/5fVpP3l6Ni3JXx39lSJ/B2Bq9dVC50ny415osh4sIPAP7039eCAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f77343d55b1397d79716e9aaa725133ffd750ae90d79c2e74bb1d420ca98bc57","last_reissued_at":"2026-05-18T00:05:20.914972Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:20.914972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.07014","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":"2026-05-18T00:05:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7Oav5LgRg1rOhC33h11oHqMvjpYJANIgYSQpkN5kTisJ8+HGGa5mj6bGvT28Qqqiz9bUl5HQUf6rv7+S6f58Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:50:51.018374Z"},"content_sha256":"ab0458623cc1e4e1732c2603fa583905c2a376d1c5dd0dca2c3cd56302153141","schema_version":"1.0","event_id":"sha256:ab0458623cc1e4e1732c2603fa583905c2a376d1c5dd0dca2c3cd56302153141"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:65ZUHVK3COL5PFYW5GVKOJITH7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extreme Scale De Novo Metagenome Assembly","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.GN"],"primary_cat":"cs.DC","authors_text":"Andrew Tritt, Aydin Buluc, Bill Arndt, Eugene Goltsman, Evangelos Georganas, Katherine Yelick, Leonid Oliker, Rob Egan, Steven Hofmeyr","submitted_at":"2018-09-19T04:53:39Z","abstract_excerpt":"Metagenome assembly is the process of transforming a set of short, overlapping, and potentially erroneous DNA segments from environmental samples into the accurate representation of the underlying microbiomes's genomes. State-of-the-art tools require big shared memory machines and cannot handle contemporary metagenome datasets that exceed Terabytes in size. In this paper, we introduce the MetaHipMer pipeline, a high-quality and high-performance metagenome assembler that employs an iterative de Bruijn graph approach. MetaHipMer leverages a specialized scaffolding algorithm that produces long sc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.07014","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":"2026-05-18T00:05:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4mYs243oqpiH4H2075W0L9KzQfZ4EI7RzCgS+AYVIcxlnX3nHgWv55vMa4Z+F533/w7UfxgDfT1NBriJBUprDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:50:51.018770Z"},"content_sha256":"ccae7cf8dc1b2c2c9011a5071dbdac032946e6ca751e856ceec24670e68864d1","schema_version":"1.0","event_id":"sha256:ccae7cf8dc1b2c2c9011a5071dbdac032946e6ca751e856ceec24670e68864d1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/65ZUHVK3COL5PFYW5GVKOJITH7/bundle.json","state_url":"https://pith.science/pith/65ZUHVK3COL5PFYW5GVKOJITH7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/65ZUHVK3COL5PFYW5GVKOJITH7/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":"2026-05-28T08:50:51Z","links":{"resolver":"https://pith.science/pith/65ZUHVK3COL5PFYW5GVKOJITH7","bundle":"https://pith.science/pith/65ZUHVK3COL5PFYW5GVKOJITH7/bundle.json","state":"https://pith.science/pith/65ZUHVK3COL5PFYW5GVKOJITH7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/65ZUHVK3COL5PFYW5GVKOJITH7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:65ZUHVK3COL5PFYW5GVKOJITH7","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":"254ad206acc9ac288a4df78ef908e7210663daca33088d56dd803d6d5467754a","cross_cats_sorted":["q-bio.GN"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-09-19T04:53:39Z","title_canon_sha256":"0321a59d1af0341d30fa84c48b7abe73ca75fa90610e3ab721395938e31aaa06"},"schema_version":"1.0","source":{"id":"1809.07014","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.07014","created_at":"2026-05-18T00:05:20Z"},{"alias_kind":"arxiv_version","alias_value":"1809.07014v1","created_at":"2026-05-18T00:05:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.07014","created_at":"2026-05-18T00:05:20Z"},{"alias_kind":"pith_short_12","alias_value":"65ZUHVK3COL5","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"65ZUHVK3COL5PFYW","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"65ZUHVK3","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:ccae7cf8dc1b2c2c9011a5071dbdac032946e6ca751e856ceec24670e68864d1","target":"graph","created_at":"2026-05-18T00:05:20Z","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":"Metagenome assembly is the process of transforming a set of short, overlapping, and potentially erroneous DNA segments from environmental samples into the accurate representation of the underlying microbiomes's genomes. State-of-the-art tools require big shared memory machines and cannot handle contemporary metagenome datasets that exceed Terabytes in size. In this paper, we introduce the MetaHipMer pipeline, a high-quality and high-performance metagenome assembler that employs an iterative de Bruijn graph approach. MetaHipMer leverages a specialized scaffolding algorithm that produces long sc","authors_text":"Andrew Tritt, Aydin Buluc, Bill Arndt, Eugene Goltsman, Evangelos Georganas, Katherine Yelick, Leonid Oliker, Rob Egan, Steven Hofmeyr","cross_cats":["q-bio.GN"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-09-19T04:53:39Z","title":"Extreme Scale De Novo Metagenome Assembly"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.07014","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:ab0458623cc1e4e1732c2603fa583905c2a376d1c5dd0dca2c3cd56302153141","target":"record","created_at":"2026-05-18T00:05:20Z","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":"254ad206acc9ac288a4df78ef908e7210663daca33088d56dd803d6d5467754a","cross_cats_sorted":["q-bio.GN"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-09-19T04:53:39Z","title_canon_sha256":"0321a59d1af0341d30fa84c48b7abe73ca75fa90610e3ab721395938e31aaa06"},"schema_version":"1.0","source":{"id":"1809.07014","kind":"arxiv","version":1}},"canonical_sha256":"f77343d55b1397d79716e9aaa725133ffd750ae90d79c2e74bb1d420ca98bc57","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f77343d55b1397d79716e9aaa725133ffd750ae90d79c2e74bb1d420ca98bc57","first_computed_at":"2026-05-18T00:05:20.914972Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:20.914972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XZCEIn0uKtZED2TrJi+lQtG2kZi+uJsW0/5fVpP3l6Ni3JXx39lSJ/B2Bq9dVC50ny415osh4sIPAP7039eCAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:20.915601Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.07014","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab0458623cc1e4e1732c2603fa583905c2a376d1c5dd0dca2c3cd56302153141","sha256:ccae7cf8dc1b2c2c9011a5071dbdac032946e6ca751e856ceec24670e68864d1"],"state_sha256":"80670545e0dc14da046317315095b8ef380289ada3225fef2dd6edaf951fed06"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SbKlvvkkyMGvSnlDKewUI4CMGjkpVgRHvWEl8lBRH+uusWU4oRmhEe4JXDScPKrlM5M0IoAo72tqMZqZX7q2AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T08:50:51.020837Z","bundle_sha256":"35793154b7615e4ab5b291de0622239d1b4d14401c971f045dc27f6218390be4"}}