{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:KRLNYE6DUCMXXMROVQ56RX5Q24","short_pith_number":"pith:KRLNYE6D","canonical_record":{"source":{"id":"2508.16046","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2025-08-22T02:51:33Z","cross_cats_sorted":[],"title_canon_sha256":"29f2961691a20517562e49588bf20568baff65d0b14d4374da74d0940fe4dcdc","abstract_canon_sha256":"62b9a095bdfa864b775a748c9274513ca1a172e8d2af8ae63ae3bdd0c3ff99be"},"schema_version":"1.0"},"canonical_sha256":"5456dc13c3a0997bb22eac3be8dfb0d70d92506b7819dfada723dfbb73917f30","source":{"kind":"arxiv","id":"2508.16046","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.16046","created_at":"2026-07-05T11:57:40Z"},{"alias_kind":"arxiv_version","alias_value":"2508.16046v1","created_at":"2026-07-05T11:57:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.16046","created_at":"2026-07-05T11:57:40Z"},{"alias_kind":"pith_short_12","alias_value":"KRLNYE6DUCMX","created_at":"2026-07-05T11:57:40Z"},{"alias_kind":"pith_short_16","alias_value":"KRLNYE6DUCMXXMRO","created_at":"2026-07-05T11:57:40Z"},{"alias_kind":"pith_short_8","alias_value":"KRLNYE6D","created_at":"2026-07-05T11:57:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:KRLNYE6DUCMXXMROVQ56RX5Q24","target":"record","payload":{"canonical_record":{"source":{"id":"2508.16046","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2025-08-22T02:51:33Z","cross_cats_sorted":[],"title_canon_sha256":"29f2961691a20517562e49588bf20568baff65d0b14d4374da74d0940fe4dcdc","abstract_canon_sha256":"62b9a095bdfa864b775a748c9274513ca1a172e8d2af8ae63ae3bdd0c3ff99be"},"schema_version":"1.0"},"canonical_sha256":"5456dc13c3a0997bb22eac3be8dfb0d70d92506b7819dfada723dfbb73917f30","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:57:40.717833Z","signature_b64":"hBSpoDTBZHvdfuOCL07FVkD+7CPIhrD1NIw3CFfE2hZj6qYXM+8ZpU4NcoPmL6+Pb9CDsVlJ3gHqjegzPvUVAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5456dc13c3a0997bb22eac3be8dfb0d70d92506b7819dfada723dfbb73917f30","last_reissued_at":"2026-07-05T11:57:40.717310Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:57:40.717310Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.16046","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":"2026-07-05T11:57:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VypIP93oBOqlAYDlLxaM/KXOmVD2wXR/9a9tIvgLlbIpZTCh0XK+cox388VgtdkxmtE8+PSpQkiWhCqjP+1sDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T15:32:58.540441Z"},"content_sha256":"9dda1c83873e669df0ac2e811c549af89bfe4b8b509748e63c5af55f96f12c7f","schema_version":"1.0","event_id":"sha256:9dda1c83873e669df0ac2e811c549af89bfe4b8b509748e63c5af55f96f12c7f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:KRLNYE6DUCMXXMROVQ56RX5Q24","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Estimating the Effective Topics of Articles and journals Abstract Using LDA And K-Means Clustering Algorithm","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Aras M. Ismael, Karmand Hussein Abdalla, Shadikur Rahman, Umme Ayman Koana","submitted_at":"2025-08-22T02:51:33Z","abstract_excerpt":"Analyzing journals and articles abstract text or documents using topic modelling and text clustering has become a modern solution for the increasing number of text documents. Topic modelling and text clustering are both intensely involved tasks that can benefit one another. Text clustering and topic modelling algorithms are used to maintain massive amounts of text documents. In this study, we have used LDA, K-Means cluster and also lexical database WordNet for keyphrases extraction in our text documents. K-Means cluster and LDA algorithms achieve the most reliable performance for keyphrase ext"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.16046","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/2508.16046/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":"2026-07-05T11:57:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UY5FCUm2Jvn4CxL7gObr1tmCkO0tkW37VdIl5PLJqmx+MShjR7HxZzoEVpW9CIXJ+wTxp2kORzgi4Lj8gfIKDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T15:32:58.540941Z"},"content_sha256":"05f3a62af5f7528203a763c1557daa4724e4a5e344f9bb8cc80e9076b26be1ff","schema_version":"1.0","event_id":"sha256:05f3a62af5f7528203a763c1557daa4724e4a5e344f9bb8cc80e9076b26be1ff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KRLNYE6DUCMXXMROVQ56RX5Q24/bundle.json","state_url":"https://pith.science/pith/KRLNYE6DUCMXXMROVQ56RX5Q24/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KRLNYE6DUCMXXMROVQ56RX5Q24/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":"2026-08-18T15:32:58Z","links":{"resolver":"https://pith.science/pith/KRLNYE6DUCMXXMROVQ56RX5Q24","bundle":"https://pith.science/pith/KRLNYE6DUCMXXMROVQ56RX5Q24/bundle.json","state":"https://pith.science/pith/KRLNYE6DUCMXXMROVQ56RX5Q24/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KRLNYE6DUCMXXMROVQ56RX5Q24/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:KRLNYE6DUCMXXMROVQ56RX5Q24","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":"62b9a095bdfa864b775a748c9274513ca1a172e8d2af8ae63ae3bdd0c3ff99be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2025-08-22T02:51:33Z","title_canon_sha256":"29f2961691a20517562e49588bf20568baff65d0b14d4374da74d0940fe4dcdc"},"schema_version":"1.0","source":{"id":"2508.16046","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.16046","created_at":"2026-07-05T11:57:40Z"},{"alias_kind":"arxiv_version","alias_value":"2508.16046v1","created_at":"2026-07-05T11:57:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.16046","created_at":"2026-07-05T11:57:40Z"},{"alias_kind":"pith_short_12","alias_value":"KRLNYE6DUCMX","created_at":"2026-07-05T11:57:40Z"},{"alias_kind":"pith_short_16","alias_value":"KRLNYE6DUCMXXMRO","created_at":"2026-07-05T11:57:40Z"},{"alias_kind":"pith_short_8","alias_value":"KRLNYE6D","created_at":"2026-07-05T11:57:40Z"}],"graph_snapshots":[{"event_id":"sha256:05f3a62af5f7528203a763c1557daa4724e4a5e344f9bb8cc80e9076b26be1ff","target":"graph","created_at":"2026-07-05T11:57:40Z","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/2508.16046/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Analyzing journals and articles abstract text or documents using topic modelling and text clustering has become a modern solution for the increasing number of text documents. Topic modelling and text clustering are both intensely involved tasks that can benefit one another. Text clustering and topic modelling algorithms are used to maintain massive amounts of text documents. In this study, we have used LDA, K-Means cluster and also lexical database WordNet for keyphrases extraction in our text documents. K-Means cluster and LDA algorithms achieve the most reliable performance for keyphrase ext","authors_text":"Aras M. Ismael, Karmand Hussein Abdalla, Shadikur Rahman, Umme Ayman Koana","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2025-08-22T02:51:33Z","title":"Estimating the Effective Topics of Articles and journals Abstract Using LDA And K-Means Clustering Algorithm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.16046","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":"sha256:9dda1c83873e669df0ac2e811c549af89bfe4b8b509748e63c5af55f96f12c7f","target":"record","created_at":"2026-07-05T11:57:40Z","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":"62b9a095bdfa864b775a748c9274513ca1a172e8d2af8ae63ae3bdd0c3ff99be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2025-08-22T02:51:33Z","title_canon_sha256":"29f2961691a20517562e49588bf20568baff65d0b14d4374da74d0940fe4dcdc"},"schema_version":"1.0","source":{"id":"2508.16046","kind":"arxiv","version":1}},"canonical_sha256":"5456dc13c3a0997bb22eac3be8dfb0d70d92506b7819dfada723dfbb73917f30","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5456dc13c3a0997bb22eac3be8dfb0d70d92506b7819dfada723dfbb73917f30","first_computed_at":"2026-07-05T11:57:40.717310Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:57:40.717310Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hBSpoDTBZHvdfuOCL07FVkD+7CPIhrD1NIw3CFfE2hZj6qYXM+8ZpU4NcoPmL6+Pb9CDsVlJ3gHqjegzPvUVAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:57:40.717833Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.16046","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9dda1c83873e669df0ac2e811c549af89bfe4b8b509748e63c5af55f96f12c7f","sha256:05f3a62af5f7528203a763c1557daa4724e4a5e344f9bb8cc80e9076b26be1ff"],"state_sha256":"9eabbf620f9f242ea920ef643a92dbbbb16b58204f62c897e787e061048e6d9c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YZ8JOo0u+lzpBX7QDa5m0HRegYHpc5Nx2Wq29TW7nxWRTIJi72qv4yeG1TAzhkbdYeyCgX6j7iBgmF6XMnolBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T15:32:58.544836Z","bundle_sha256":"a2b14d76666fed1a25dd03eac6c607715ecc9b0db5bb5973e8c37447e4573e00"}}