{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:W4RV3P57735EQMDKLTXZUAPICH","short_pith_number":"pith:W4RV3P57","schema_version":"1.0","canonical_sha256":"b7235dbfbffefa48306a5cef9a01e811cd2ce45c1735200afbed26161907ac60","source":{"kind":"arxiv","id":"1711.02980","version":1},"attestation_state":"computed","paper":{"title":"Anomalous popularity growth in social tagging ecosystems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"physics.soc-ph","authors_text":"Mizuki Oka, Takashi Ikegami, Yasuhiro Hashimoto","submitted_at":"2017-11-08T14:50:09Z","abstract_excerpt":"In social tagging systems, the diversity of tag vocabulary and the popularity of such tags continue to increase as they are exposed to selection pressure derived from our cognitive nature and cultural preferences. This is analogous to living ecosystems, where mutation and selection play a dominant role. Such population dynamism, which yields a scaling law, is mathematically modeled by a simple stochastic process---the Yule--Simon process, which describes how new words are introduced to the system and then grow. However, in actual web services, we have observed that a large fluctuation emerges "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1711.02980","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2017-11-08T14:50:09Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"c800169fda3f2f036d92037a387f58fe0ba8a21b22cf1cb2b7dff9e5e2289b2d","abstract_canon_sha256":"7582b44db3e31d668ad79ed227d9a510c5fce73bfd7aa2b7b531228bc52d7d64"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:31:01.200537Z","signature_b64":"PR6/IdcqmYBCwwPUigpSYA+rZqucrmpRkhoKG2sE67BUmRsJ/vx8GnWHdaqDnLeU25pf48pw1dy8V7T0mAJDAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b7235dbfbffefa48306a5cef9a01e811cd2ce45c1735200afbed26161907ac60","last_reissued_at":"2026-05-18T00:31:01.199829Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:31:01.199829Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Anomalous popularity growth in social tagging ecosystems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"physics.soc-ph","authors_text":"Mizuki Oka, Takashi Ikegami, Yasuhiro Hashimoto","submitted_at":"2017-11-08T14:50:09Z","abstract_excerpt":"In social tagging systems, the diversity of tag vocabulary and the popularity of such tags continue to increase as they are exposed to selection pressure derived from our cognitive nature and cultural preferences. This is analogous to living ecosystems, where mutation and selection play a dominant role. Such population dynamism, which yields a scaling law, is mathematically modeled by a simple stochastic process---the Yule--Simon process, which describes how new words are introduced to the system and then grow. However, in actual web services, we have observed that a large fluctuation emerges "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.02980","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1711.02980","created_at":"2026-05-18T00:31:01.199936+00:00"},{"alias_kind":"arxiv_version","alias_value":"1711.02980v1","created_at":"2026-05-18T00:31:01.199936+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.02980","created_at":"2026-05-18T00:31:01.199936+00:00"},{"alias_kind":"pith_short_12","alias_value":"W4RV3P57735E","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_16","alias_value":"W4RV3P57735EQMDK","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_8","alias_value":"W4RV3P57","created_at":"2026-05-18T12:31:49.984773+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/W4RV3P57735EQMDKLTXZUAPICH","json":"https://pith.science/pith/W4RV3P57735EQMDKLTXZUAPICH.json","graph_json":"https://pith.science/api/pith-number/W4RV3P57735EQMDKLTXZUAPICH/graph.json","events_json":"https://pith.science/api/pith-number/W4RV3P57735EQMDKLTXZUAPICH/events.json","paper":"https://pith.science/paper/W4RV3P57"},"agent_actions":{"view_html":"https://pith.science/pith/W4RV3P57735EQMDKLTXZUAPICH","download_json":"https://pith.science/pith/W4RV3P57735EQMDKLTXZUAPICH.json","view_paper":"https://pith.science/paper/W4RV3P57","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1711.02980&json=true","fetch_graph":"https://pith.science/api/pith-number/W4RV3P57735EQMDKLTXZUAPICH/graph.json","fetch_events":"https://pith.science/api/pith-number/W4RV3P57735EQMDKLTXZUAPICH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/W4RV3P57735EQMDKLTXZUAPICH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/W4RV3P57735EQMDKLTXZUAPICH/action/storage_attestation","attest_author":"https://pith.science/pith/W4RV3P57735EQMDKLTXZUAPICH/action/author_attestation","sign_citation":"https://pith.science/pith/W4RV3P57735EQMDKLTXZUAPICH/action/citation_signature","submit_replication":"https://pith.science/pith/W4RV3P57735EQMDKLTXZUAPICH/action/replication_record"}},"created_at":"2026-05-18T00:31:01.199936+00:00","updated_at":"2026-05-18T00:31:01.199936+00:00"}