{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:VIATEGGJT4HU2VMOGYCMJATH3V","short_pith_number":"pith:VIATEGGJ","schema_version":"1.0","canonical_sha256":"aa013218c99f0f4d558e3604c48267dd4432085e83610c9ee1917efdac3100f4","source":{"kind":"arxiv","id":"1802.03393","version":1},"attestation_state":"computed","paper":{"title":"A Study of WhatsApp Usage Patterns and Prediction Models without Message Content","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"cs.CY","authors_text":"Avi Rosenfeld, David Sarne, Or Avidov, Sarit Kraus, Sigal Sina","submitted_at":"2018-02-09T13:18:56Z","abstract_excerpt":"Internet social networks have become a ubiquitous application allowing people to easily share text, pictures, and audio and video files. Popular networks include WhatsApp, Facebook, Reddit and LinkedIn. We present an extensive study of the usage of the WhatsApp social network, an Internet messaging application that is quickly replacing SMS messaging. In order to better understand people's use of the network, we provide an analysis of over 6 million messages from over 100 users, with the objective of building demographic prediction models using activity data. We performed extensive statistical "},"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":"1802.03393","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2018-02-09T13:18:56Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"fd47181938884470999e8692c2da059a0194ff388cc8adcd12014392ba2b88b7","abstract_canon_sha256":"d174bf81ed940c3abf67f8b2285be23481cac721456558183bacea0266170865"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:23:51.801983Z","signature_b64":"MwpOurqhVkMjqncJSNQuAwcuJwcsFHiV4KGYabLgfEBkj5Baot6OUAOIym2REXJ6QmrqVbpINhL23zQiSTHJCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa013218c99f0f4d558e3604c48267dd4432085e83610c9ee1917efdac3100f4","last_reissued_at":"2026-05-18T00:23:51.801415Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:23:51.801415Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Study of WhatsApp Usage Patterns and Prediction Models without Message Content","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"cs.CY","authors_text":"Avi Rosenfeld, David Sarne, Or Avidov, Sarit Kraus, Sigal Sina","submitted_at":"2018-02-09T13:18:56Z","abstract_excerpt":"Internet social networks have become a ubiquitous application allowing people to easily share text, pictures, and audio and video files. Popular networks include WhatsApp, Facebook, Reddit and LinkedIn. We present an extensive study of the usage of the WhatsApp social network, an Internet messaging application that is quickly replacing SMS messaging. In order to better understand people's use of the network, we provide an analysis of over 6 million messages from over 100 users, with the objective of building demographic prediction models using activity data. We performed extensive statistical "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.03393","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":"1802.03393","created_at":"2026-05-18T00:23:51.801523+00:00"},{"alias_kind":"arxiv_version","alias_value":"1802.03393v1","created_at":"2026-05-18T00:23:51.801523+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.03393","created_at":"2026-05-18T00:23:51.801523+00:00"},{"alias_kind":"pith_short_12","alias_value":"VIATEGGJT4HU","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_16","alias_value":"VIATEGGJT4HU2VMO","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_8","alias_value":"VIATEGGJ","created_at":"2026-05-18T12:32:59.047623+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/VIATEGGJT4HU2VMOGYCMJATH3V","json":"https://pith.science/pith/VIATEGGJT4HU2VMOGYCMJATH3V.json","graph_json":"https://pith.science/api/pith-number/VIATEGGJT4HU2VMOGYCMJATH3V/graph.json","events_json":"https://pith.science/api/pith-number/VIATEGGJT4HU2VMOGYCMJATH3V/events.json","paper":"https://pith.science/paper/VIATEGGJ"},"agent_actions":{"view_html":"https://pith.science/pith/VIATEGGJT4HU2VMOGYCMJATH3V","download_json":"https://pith.science/pith/VIATEGGJT4HU2VMOGYCMJATH3V.json","view_paper":"https://pith.science/paper/VIATEGGJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1802.03393&json=true","fetch_graph":"https://pith.science/api/pith-number/VIATEGGJT4HU2VMOGYCMJATH3V/graph.json","fetch_events":"https://pith.science/api/pith-number/VIATEGGJT4HU2VMOGYCMJATH3V/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VIATEGGJT4HU2VMOGYCMJATH3V/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VIATEGGJT4HU2VMOGYCMJATH3V/action/storage_attestation","attest_author":"https://pith.science/pith/VIATEGGJT4HU2VMOGYCMJATH3V/action/author_attestation","sign_citation":"https://pith.science/pith/VIATEGGJT4HU2VMOGYCMJATH3V/action/citation_signature","submit_replication":"https://pith.science/pith/VIATEGGJT4HU2VMOGYCMJATH3V/action/replication_record"}},"created_at":"2026-05-18T00:23:51.801523+00:00","updated_at":"2026-05-18T00:23:51.801523+00:00"}