{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:6YTCNAFDANOBSG6LWVNCZEOZPI","short_pith_number":"pith:6YTCNAFD","canonical_record":{"source":{"id":"1408.4158","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2014-08-18T21:01:32Z","cross_cats_sorted":["q-bio.GN","stat.CO"],"title_canon_sha256":"6e4d2fb5b2a0d3fcd8cdf3aa70254eaedd3f423e0d194de6db2cfff69881a69e","abstract_canon_sha256":"4f3a4eb28ad8b442656254ea3d1b557a73fb3e3d6eff3ba62837509649737c21"},"schema_version":"1.0"},"canonical_sha256":"f6262680a3035c191bcbb55a2c91d97a043efc999f5bad8293705aa1ab56bd95","source":{"kind":"arxiv","id":"1408.4158","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.4158","created_at":"2026-05-18T00:46:43Z"},{"alias_kind":"arxiv_version","alias_value":"1408.4158v3","created_at":"2026-05-18T00:46:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.4158","created_at":"2026-05-18T00:46:43Z"},{"alias_kind":"pith_short_12","alias_value":"6YTCNAFDANOB","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6YTCNAFDANOBSG6L","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6YTCNAFD","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:6YTCNAFDANOBSG6LWVNCZEOZPI","target":"record","payload":{"canonical_record":{"source":{"id":"1408.4158","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2014-08-18T21:01:32Z","cross_cats_sorted":["q-bio.GN","stat.CO"],"title_canon_sha256":"6e4d2fb5b2a0d3fcd8cdf3aa70254eaedd3f423e0d194de6db2cfff69881a69e","abstract_canon_sha256":"4f3a4eb28ad8b442656254ea3d1b557a73fb3e3d6eff3ba62837509649737c21"},"schema_version":"1.0"},"canonical_sha256":"f6262680a3035c191bcbb55a2c91d97a043efc999f5bad8293705aa1ab56bd95","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:43.411418Z","signature_b64":"m+AJ+lHOj9hx2nZ/lVbeVf6T5H4vo+N38cCKUJJ+O2EhseBqgq9IS09odK/tq9MpCttM9jO+1A2zQNx4h7epAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f6262680a3035c191bcbb55a2c91d97a043efc999f5bad8293705aa1ab56bd95","last_reissued_at":"2026-05-18T00:46:43.410752Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:43.410752Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.4158","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:46:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pAF9uIH9ouLxGhAYHtlHpE1SPINmSVPDeQrS5xmZ/vmsk/0xtk5IdNze92pa1RPmH5aGYD+PLPXpmaMnmF1pCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:04:48.401778Z"},"content_sha256":"66dd6fd46ab77562bf916e78790c132d294922fe44fd22f858becd8a05dcf0e8","schema_version":"1.0","event_id":"sha256:66dd6fd46ab77562bf916e78790c132d294922fe44fd22f858becd8a05dcf0e8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:6YTCNAFDANOBSG6LWVNCZEOZPI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sparse and compositionally robust inference of microbial ecological networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.GN","stat.CO"],"primary_cat":"stat.AP","authors_text":"Christian L. Mueller, Dan R. Littman, Emily R. Miraldi, Martin J. Blaser, Richard A. Bonneau, Zachary D. Kurtz","submitted_at":"2014-08-18T21:01:32Z","abstract_excerpt":"16S-ribosomal sequencing and other metagonomic techniques provide snapshots of microbial communities, revealing phylogeny and the abundances of microbial populations across diverse ecosystems. While changes in microbial community structure are demonstrably associated with certain environmental conditions, identification of underlying mechanisms requires new statistical tools, as these datasets present several technical challenges. First, the abundances of microbial operational taxonomic units (OTUs) from 16S datasets are compositional, and thus, microbial abundances are not independent. Second"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.4158","kind":"arxiv","version":3},"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":"2026-05-18T00:46:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gpj0xzCcz2beOLfgagjwFEG4/Zu3hI5viwUxltqc94hOVLaflCGZ5MpSlMzbA0uGdbvifyWGWLvT7vS+AhWACA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:04:48.402433Z"},"content_sha256":"10c24fd9f023e0b58efe101af1fc384824fd72b1b3d062ed609de70889319d4c","schema_version":"1.0","event_id":"sha256:10c24fd9f023e0b58efe101af1fc384824fd72b1b3d062ed609de70889319d4c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6YTCNAFDANOBSG6LWVNCZEOZPI/bundle.json","state_url":"https://pith.science/pith/6YTCNAFDANOBSG6LWVNCZEOZPI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6YTCNAFDANOBSG6LWVNCZEOZPI/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":"2026-06-06T19:04:48Z","links":{"resolver":"https://pith.science/pith/6YTCNAFDANOBSG6LWVNCZEOZPI","bundle":"https://pith.science/pith/6YTCNAFDANOBSG6LWVNCZEOZPI/bundle.json","state":"https://pith.science/pith/6YTCNAFDANOBSG6LWVNCZEOZPI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6YTCNAFDANOBSG6LWVNCZEOZPI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:6YTCNAFDANOBSG6LWVNCZEOZPI","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":"4f3a4eb28ad8b442656254ea3d1b557a73fb3e3d6eff3ba62837509649737c21","cross_cats_sorted":["q-bio.GN","stat.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2014-08-18T21:01:32Z","title_canon_sha256":"6e4d2fb5b2a0d3fcd8cdf3aa70254eaedd3f423e0d194de6db2cfff69881a69e"},"schema_version":"1.0","source":{"id":"1408.4158","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.4158","created_at":"2026-05-18T00:46:43Z"},{"alias_kind":"arxiv_version","alias_value":"1408.4158v3","created_at":"2026-05-18T00:46:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.4158","created_at":"2026-05-18T00:46:43Z"},{"alias_kind":"pith_short_12","alias_value":"6YTCNAFDANOB","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6YTCNAFDANOBSG6L","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6YTCNAFD","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:10c24fd9f023e0b58efe101af1fc384824fd72b1b3d062ed609de70889319d4c","target":"graph","created_at":"2026-05-18T00:46:43Z","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":"16S-ribosomal sequencing and other metagonomic techniques provide snapshots of microbial communities, revealing phylogeny and the abundances of microbial populations across diverse ecosystems. While changes in microbial community structure are demonstrably associated with certain environmental conditions, identification of underlying mechanisms requires new statistical tools, as these datasets present several technical challenges. First, the abundances of microbial operational taxonomic units (OTUs) from 16S datasets are compositional, and thus, microbial abundances are not independent. Second","authors_text":"Christian L. Mueller, Dan R. Littman, Emily R. Miraldi, Martin J. Blaser, Richard A. Bonneau, Zachary D. Kurtz","cross_cats":["q-bio.GN","stat.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2014-08-18T21:01:32Z","title":"Sparse and compositionally robust inference of microbial ecological networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.4158","kind":"arxiv","version":3},"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":"sha256:66dd6fd46ab77562bf916e78790c132d294922fe44fd22f858becd8a05dcf0e8","target":"record","created_at":"2026-05-18T00:46:43Z","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":"4f3a4eb28ad8b442656254ea3d1b557a73fb3e3d6eff3ba62837509649737c21","cross_cats_sorted":["q-bio.GN","stat.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2014-08-18T21:01:32Z","title_canon_sha256":"6e4d2fb5b2a0d3fcd8cdf3aa70254eaedd3f423e0d194de6db2cfff69881a69e"},"schema_version":"1.0","source":{"id":"1408.4158","kind":"arxiv","version":3}},"canonical_sha256":"f6262680a3035c191bcbb55a2c91d97a043efc999f5bad8293705aa1ab56bd95","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f6262680a3035c191bcbb55a2c91d97a043efc999f5bad8293705aa1ab56bd95","first_computed_at":"2026-05-18T00:46:43.410752Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:43.410752Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m+AJ+lHOj9hx2nZ/lVbeVf6T5H4vo+N38cCKUJJ+O2EhseBqgq9IS09odK/tq9MpCttM9jO+1A2zQNx4h7epAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:43.411418Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.4158","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:66dd6fd46ab77562bf916e78790c132d294922fe44fd22f858becd8a05dcf0e8","sha256:10c24fd9f023e0b58efe101af1fc384824fd72b1b3d062ed609de70889319d4c"],"state_sha256":"11c839a218efe3826c0958895a2fd81c50b206f22477ff59bb8080badaf21c9f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eWDWj8Vm4l9soFQ4DfrMAadeILS90uY4MZqafi3Bf6DTUVydq43L4fkWbdUrlDRVfmZ/Dn9BJnlYz56xALa2BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T19:04:48.405864Z","bundle_sha256":"177c8b500ce669901d8bf40f0e7abc4003a6005b68cfdb47bf0c93f883d28d80"}}