{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:KLW3RBGON7J4AQTSOJVHT76G3R","short_pith_number":"pith:KLW3RBGO","canonical_record":{"source":{"id":"1609.04281","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2016-09-14T14:09:20Z","cross_cats_sorted":[],"title_canon_sha256":"25ff426d466841cfa652a1f07f0cb49ce56cd8610b6d021428a3f72668c2917a","abstract_canon_sha256":"8229b8b419fe4a0dc74c3cd479ed8b9c4538ac28a1a3f422a51b7699dc695195"},"schema_version":"1.0"},"canonical_sha256":"52edb884ce6fd3c04272726a79ffc6dc7c5f2a549ddc333d3a14eaa24d1cda2a","source":{"kind":"arxiv","id":"1609.04281","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.04281","created_at":"2026-05-18T01:04:38Z"},{"alias_kind":"arxiv_version","alias_value":"1609.04281v1","created_at":"2026-05-18T01:04:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.04281","created_at":"2026-05-18T01:04:38Z"},{"alias_kind":"pith_short_12","alias_value":"KLW3RBGON7J4","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KLW3RBGON7J4AQTS","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KLW3RBGO","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:KLW3RBGON7J4AQTSOJVHT76G3R","target":"record","payload":{"canonical_record":{"source":{"id":"1609.04281","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2016-09-14T14:09:20Z","cross_cats_sorted":[],"title_canon_sha256":"25ff426d466841cfa652a1f07f0cb49ce56cd8610b6d021428a3f72668c2917a","abstract_canon_sha256":"8229b8b419fe4a0dc74c3cd479ed8b9c4538ac28a1a3f422a51b7699dc695195"},"schema_version":"1.0"},"canonical_sha256":"52edb884ce6fd3c04272726a79ffc6dc7c5f2a549ddc333d3a14eaa24d1cda2a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:38.400489Z","signature_b64":"aBzfugvVsk1LYgzvq8JcoMXyq7offaEVAn6OvlZ/aYY4fWTh/wo348EeDcowhv7XjXVs1FKXQJNv7JwbRZRlCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52edb884ce6fd3c04272726a79ffc6dc7c5f2a549ddc333d3a14eaa24d1cda2a","last_reissued_at":"2026-05-18T01:04:38.399843Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:38.399843Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.04281","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":"2026-05-18T01:04:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/yiGwmTQz48vOsyjKKsXnSHeNGYWNQWcL0NI2fIkYbxIW74zWZxrSEwphg8xlRhfo4IvZfhXzMsG3fnUsJSHCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:06:05.844338Z"},"content_sha256":"fe920b631c0c25c7cffab1d8c42ab83e2a24d4dadc273420d0b4845107118b1e","schema_version":"1.0","event_id":"sha256:fe920b631c0c25c7cffab1d8c42ab83e2a24d4dadc273420d0b4845107118b1e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:KLW3RBGON7J4AQTSOJVHT76G3R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Document Filtering for Long-tail Entities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Edgar Meij, Maarten de Rijke, Ridho Reinanda","submitted_at":"2016-09-14T14:09:20Z","abstract_excerpt":"Filtering relevant documents with respect to entities is an essential task in the context of knowledge base construction and maintenance. It entails processing a time-ordered stream of documents that might be relevant to an entity in order to select only those that contain vital information. State-of-the-art approaches to document filtering for popular entities are entity-dependent: they rely on and are also trained on the specifics of differentiating features for each specific entity. Moreover, these approaches tend to use so-called extrinsic information such as Wikipedia page views and relat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.04281","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":"2026-05-18T01:04:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HDY1yw37ZuH6sYxUTUvXkS4OkQbejVWoouA2tZvFDpUBVO9znDmTImcQzV0bpGsKc82wQOQcjEeijczMLL9KCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:06:05.845024Z"},"content_sha256":"cb49a0f85abcc8027075941cd716cf965f55712c8ea6cf3d313aed8f1cc6fcc0","schema_version":"1.0","event_id":"sha256:cb49a0f85abcc8027075941cd716cf965f55712c8ea6cf3d313aed8f1cc6fcc0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KLW3RBGON7J4AQTSOJVHT76G3R/bundle.json","state_url":"https://pith.science/pith/KLW3RBGON7J4AQTSOJVHT76G3R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KLW3RBGON7J4AQTSOJVHT76G3R/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":"2026-05-27T18:06:05Z","links":{"resolver":"https://pith.science/pith/KLW3RBGON7J4AQTSOJVHT76G3R","bundle":"https://pith.science/pith/KLW3RBGON7J4AQTSOJVHT76G3R/bundle.json","state":"https://pith.science/pith/KLW3RBGON7J4AQTSOJVHT76G3R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KLW3RBGON7J4AQTSOJVHT76G3R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:KLW3RBGON7J4AQTSOJVHT76G3R","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":"8229b8b419fe4a0dc74c3cd479ed8b9c4538ac28a1a3f422a51b7699dc695195","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2016-09-14T14:09:20Z","title_canon_sha256":"25ff426d466841cfa652a1f07f0cb49ce56cd8610b6d021428a3f72668c2917a"},"schema_version":"1.0","source":{"id":"1609.04281","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.04281","created_at":"2026-05-18T01:04:38Z"},{"alias_kind":"arxiv_version","alias_value":"1609.04281v1","created_at":"2026-05-18T01:04:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.04281","created_at":"2026-05-18T01:04:38Z"},{"alias_kind":"pith_short_12","alias_value":"KLW3RBGON7J4","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KLW3RBGON7J4AQTS","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KLW3RBGO","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:cb49a0f85abcc8027075941cd716cf965f55712c8ea6cf3d313aed8f1cc6fcc0","target":"graph","created_at":"2026-05-18T01:04:38Z","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":"Filtering relevant documents with respect to entities is an essential task in the context of knowledge base construction and maintenance. It entails processing a time-ordered stream of documents that might be relevant to an entity in order to select only those that contain vital information. State-of-the-art approaches to document filtering for popular entities are entity-dependent: they rely on and are also trained on the specifics of differentiating features for each specific entity. Moreover, these approaches tend to use so-called extrinsic information such as Wikipedia page views and relat","authors_text":"Edgar Meij, Maarten de Rijke, Ridho Reinanda","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2016-09-14T14:09:20Z","title":"Document Filtering for Long-tail Entities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.04281","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:fe920b631c0c25c7cffab1d8c42ab83e2a24d4dadc273420d0b4845107118b1e","target":"record","created_at":"2026-05-18T01:04:38Z","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":"8229b8b419fe4a0dc74c3cd479ed8b9c4538ac28a1a3f422a51b7699dc695195","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2016-09-14T14:09:20Z","title_canon_sha256":"25ff426d466841cfa652a1f07f0cb49ce56cd8610b6d021428a3f72668c2917a"},"schema_version":"1.0","source":{"id":"1609.04281","kind":"arxiv","version":1}},"canonical_sha256":"52edb884ce6fd3c04272726a79ffc6dc7c5f2a549ddc333d3a14eaa24d1cda2a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52edb884ce6fd3c04272726a79ffc6dc7c5f2a549ddc333d3a14eaa24d1cda2a","first_computed_at":"2026-05-18T01:04:38.399843Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:04:38.399843Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aBzfugvVsk1LYgzvq8JcoMXyq7offaEVAn6OvlZ/aYY4fWTh/wo348EeDcowhv7XjXVs1FKXQJNv7JwbRZRlCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:04:38.400489Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.04281","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe920b631c0c25c7cffab1d8c42ab83e2a24d4dadc273420d0b4845107118b1e","sha256:cb49a0f85abcc8027075941cd716cf965f55712c8ea6cf3d313aed8f1cc6fcc0"],"state_sha256":"f4aa2cfe20fe737c611616a9084d205b3de1190643343f69f7a80051fe2904f7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W0u95D41Lyh3qJ985kz4NxQH2KQDcYl+voc4AsrGq4uc7j2MArcFv39q35CyFP9c65FMZ5dFv8Jwhg5abE5EBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:06:05.848621Z","bundle_sha256":"6fb17eb46d88e016397102f95dea90dbb0c2ed503c45a958bd8e36a69755ce79"}}