{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:FPHCBRWXMQOEZMEKYIHLCWNOYM","short_pith_number":"pith:FPHCBRWX","canonical_record":{"source":{"id":"1607.07330","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-07-25T16:00:32Z","cross_cats_sorted":["cs.LG","physics.soc-ph","stat.ME"],"title_canon_sha256":"99d0b9fd3d29aff9b3262e6a736fc08028d0f53d2fe2899a822b0a27bf42ae83","abstract_canon_sha256":"a395254bf620a33d6177e05cbf6f2ee2bcc9b4e88dab808fc6068912de65903f"},"schema_version":"1.0"},"canonical_sha256":"2bce20c6d7641c4cb08ac20eb159aec3045d8f802809201b86364b7c51028f99","source":{"kind":"arxiv","id":"1607.07330","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.07330","created_at":"2026-05-18T01:10:34Z"},{"alias_kind":"arxiv_version","alias_value":"1607.07330v1","created_at":"2026-05-18T01:10:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.07330","created_at":"2026-05-18T01:10:34Z"},{"alias_kind":"pith_short_12","alias_value":"FPHCBRWXMQOE","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"FPHCBRWXMQOEZMEK","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"FPHCBRWX","created_at":"2026-05-18T12:30:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:FPHCBRWXMQOEZMEKYIHLCWNOYM","target":"record","payload":{"canonical_record":{"source":{"id":"1607.07330","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-07-25T16:00:32Z","cross_cats_sorted":["cs.LG","physics.soc-ph","stat.ME"],"title_canon_sha256":"99d0b9fd3d29aff9b3262e6a736fc08028d0f53d2fe2899a822b0a27bf42ae83","abstract_canon_sha256":"a395254bf620a33d6177e05cbf6f2ee2bcc9b4e88dab808fc6068912de65903f"},"schema_version":"1.0"},"canonical_sha256":"2bce20c6d7641c4cb08ac20eb159aec3045d8f802809201b86364b7c51028f99","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:34.168807Z","signature_b64":"F1eEI+9NKgMebQrp+khxlAuqfY+tDb+21ExVOabUOjHXTsE3c2FTCcQ6JhSUKHOzszg1il9BVZYApyEpo+HvAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2bce20c6d7641c4cb08ac20eb159aec3045d8f802809201b86364b7c51028f99","last_reissued_at":"2026-05-18T01:10:34.168003Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:34.168003Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.07330","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":"2026-05-18T01:10:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0fvd3PGdZGuvR5xL9bJMjt8K2ErU2VGHM+YNeOpl2mO83yp4si21ZWbp3Y0hhyU1LpkGMkiA7/ggzYz4MeiGCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:47:29.671978Z"},"content_sha256":"f9618efc0a7a2bc6c7b1af5b05a44f716f799dd357c042411e643c9fa91fe5d7","schema_version":"1.0","event_id":"sha256:f9618efc0a7a2bc6c7b1af5b05a44f716f799dd357c042411e643c9fa91fe5d7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:FPHCBRWXMQOEZMEKYIHLCWNOYM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evaluating Link Prediction Accuracy on Dynamic Networks with Added and Removed Edges","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","physics.soc-ph","stat.ME"],"primary_cat":"cs.SI","authors_text":"Kevin S. Xu, Ruthwik R. Junuthula, Vijay K. Devabhaktuni","submitted_at":"2016-07-25T16:00:32Z","abstract_excerpt":"The task of predicting future relationships in a social network, known as link prediction, has been studied extensively in the literature. Many link prediction methods have been proposed, ranging from common neighbors to probabilistic models. Recent work by Yang et al. has highlighted several challenges in evaluating link prediction accuracy. In dynamic networks where edges are both added and removed over time, the link prediction problem is more complex and involves predicting both newly added and newly removed edges. This results in new challenges in the evaluation of dynamic link prediction"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.07330","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":"2026-05-18T01:10:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WS3j7JnCGTWkjpAvNxP1rj1ucLiuvLX0hnQbW9thozbgsqG3vDziPDWMxS9mwhbErwVda9SvfQsj5IVJjsoYAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:47:29.672634Z"},"content_sha256":"ca3e347847bac1deb74a3633fab2faae31da5f6e533cab7b8b916fe1db076b21","schema_version":"1.0","event_id":"sha256:ca3e347847bac1deb74a3633fab2faae31da5f6e533cab7b8b916fe1db076b21"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FPHCBRWXMQOEZMEKYIHLCWNOYM/bundle.json","state_url":"https://pith.science/pith/FPHCBRWXMQOEZMEKYIHLCWNOYM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FPHCBRWXMQOEZMEKYIHLCWNOYM/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":"2026-05-26T09:47:29Z","links":{"resolver":"https://pith.science/pith/FPHCBRWXMQOEZMEKYIHLCWNOYM","bundle":"https://pith.science/pith/FPHCBRWXMQOEZMEKYIHLCWNOYM/bundle.json","state":"https://pith.science/pith/FPHCBRWXMQOEZMEKYIHLCWNOYM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FPHCBRWXMQOEZMEKYIHLCWNOYM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:FPHCBRWXMQOEZMEKYIHLCWNOYM","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":"a395254bf620a33d6177e05cbf6f2ee2bcc9b4e88dab808fc6068912de65903f","cross_cats_sorted":["cs.LG","physics.soc-ph","stat.ME"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-07-25T16:00:32Z","title_canon_sha256":"99d0b9fd3d29aff9b3262e6a736fc08028d0f53d2fe2899a822b0a27bf42ae83"},"schema_version":"1.0","source":{"id":"1607.07330","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.07330","created_at":"2026-05-18T01:10:34Z"},{"alias_kind":"arxiv_version","alias_value":"1607.07330v1","created_at":"2026-05-18T01:10:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.07330","created_at":"2026-05-18T01:10:34Z"},{"alias_kind":"pith_short_12","alias_value":"FPHCBRWXMQOE","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"FPHCBRWXMQOEZMEK","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"FPHCBRWX","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:ca3e347847bac1deb74a3633fab2faae31da5f6e533cab7b8b916fe1db076b21","target":"graph","created_at":"2026-05-18T01:10:34Z","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":"The task of predicting future relationships in a social network, known as link prediction, has been studied extensively in the literature. Many link prediction methods have been proposed, ranging from common neighbors to probabilistic models. Recent work by Yang et al. has highlighted several challenges in evaluating link prediction accuracy. In dynamic networks where edges are both added and removed over time, the link prediction problem is more complex and involves predicting both newly added and newly removed edges. This results in new challenges in the evaluation of dynamic link prediction","authors_text":"Kevin S. Xu, Ruthwik R. Junuthula, Vijay K. Devabhaktuni","cross_cats":["cs.LG","physics.soc-ph","stat.ME"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-07-25T16:00:32Z","title":"Evaluating Link Prediction Accuracy on Dynamic Networks with Added and Removed Edges"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.07330","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:f9618efc0a7a2bc6c7b1af5b05a44f716f799dd357c042411e643c9fa91fe5d7","target":"record","created_at":"2026-05-18T01:10:34Z","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":"a395254bf620a33d6177e05cbf6f2ee2bcc9b4e88dab808fc6068912de65903f","cross_cats_sorted":["cs.LG","physics.soc-ph","stat.ME"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-07-25T16:00:32Z","title_canon_sha256":"99d0b9fd3d29aff9b3262e6a736fc08028d0f53d2fe2899a822b0a27bf42ae83"},"schema_version":"1.0","source":{"id":"1607.07330","kind":"arxiv","version":1}},"canonical_sha256":"2bce20c6d7641c4cb08ac20eb159aec3045d8f802809201b86364b7c51028f99","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2bce20c6d7641c4cb08ac20eb159aec3045d8f802809201b86364b7c51028f99","first_computed_at":"2026-05-18T01:10:34.168003Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:34.168003Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F1eEI+9NKgMebQrp+khxlAuqfY+tDb+21ExVOabUOjHXTsE3c2FTCcQ6JhSUKHOzszg1il9BVZYApyEpo+HvAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:34.168807Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.07330","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f9618efc0a7a2bc6c7b1af5b05a44f716f799dd357c042411e643c9fa91fe5d7","sha256:ca3e347847bac1deb74a3633fab2faae31da5f6e533cab7b8b916fe1db076b21"],"state_sha256":"5e15e6ea7df450d15c93a9704eaf2c3684a4ad91ad696558027f91d1327cabfc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0XQFTCWlHg6g2Dehs7CyUkbZMPK1zmnW3AVL7gSec6PlwnSgIvdBql+p0YeoOwhrP1ub8FYEDOGh6aRu8hVRCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T09:47:29.676449Z","bundle_sha256":"5b0f28a6da93da4068f0c15d664f29d276519477745ddd021c4494ac7e848e4e"}}