{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:WPIPR46ZA2BKBWEMF6APORFDXZ","short_pith_number":"pith:WPIPR46Z","schema_version":"1.0","canonical_sha256":"b3d0f8f3d90682a0d88c2f80f744a3be6d23577d7e166a49fffe7220247801dd","source":{"kind":"arxiv","id":"1701.07335","version":3},"attestation_state":"computed","paper":{"title":"The epsilon-delta game and the chess","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"math.HO","authors_text":"Zolt\\'an Kov\\'acs","submitted_at":"2017-01-23T19:13:22Z","abstract_excerpt":"The limit of a sequence by the definition with $\\varepsilon$ is introduced by the notion of checkmate in two moves. The idea is also extended to define the limit of a function with $\\varepsilon$ and $\\delta$."},"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":"1701.07335","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"math.HO","submitted_at":"2017-01-23T19:13:22Z","cross_cats_sorted":[],"title_canon_sha256":"e5a0309b2848c19bc37e867e2d2aab9dfe0656321759922399ca1f1181ff01db","abstract_canon_sha256":"4a8706f739b9ad41ca9f59bb75554448b3620b4cda33965e7239c20d9342a22b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:43.539504Z","signature_b64":"UrTX6UVLUmxCBI2HIBdyIqIvHgiEx+HsO1hiKXpyxs3dkRgS120Ky0DFrD+1Zyv4cunUD1KDFwxPVCl5goMqCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b3d0f8f3d90682a0d88c2f80f744a3be6d23577d7e166a49fffe7220247801dd","last_reissued_at":"2026-05-17T23:43:43.538844Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:43.538844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The epsilon-delta game and the chess","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"math.HO","authors_text":"Zolt\\'an Kov\\'acs","submitted_at":"2017-01-23T19:13:22Z","abstract_excerpt":"The limit of a sequence by the definition with $\\varepsilon$ is introduced by the notion of checkmate in two moves. The idea is also extended to define the limit of a function with $\\varepsilon$ and $\\delta$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.07335","kind":"arxiv","version":3},"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":"1701.07335","created_at":"2026-05-17T23:43:43.538940+00:00"},{"alias_kind":"arxiv_version","alias_value":"1701.07335v3","created_at":"2026-05-17T23:43:43.538940+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.07335","created_at":"2026-05-17T23:43:43.538940+00:00"},{"alias_kind":"pith_short_12","alias_value":"WPIPR46ZA2BK","created_at":"2026-05-18T12:31:53.515858+00:00"},{"alias_kind":"pith_short_16","alias_value":"WPIPR46ZA2BKBWEM","created_at":"2026-05-18T12:31:53.515858+00:00"},{"alias_kind":"pith_short_8","alias_value":"WPIPR46Z","created_at":"2026-05-18T12:31:53.515858+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/WPIPR46ZA2BKBWEMF6APORFDXZ","json":"https://pith.science/pith/WPIPR46ZA2BKBWEMF6APORFDXZ.json","graph_json":"https://pith.science/api/pith-number/WPIPR46ZA2BKBWEMF6APORFDXZ/graph.json","events_json":"https://pith.science/api/pith-number/WPIPR46ZA2BKBWEMF6APORFDXZ/events.json","paper":"https://pith.science/paper/WPIPR46Z"},"agent_actions":{"view_html":"https://pith.science/pith/WPIPR46ZA2BKBWEMF6APORFDXZ","download_json":"https://pith.science/pith/WPIPR46ZA2BKBWEMF6APORFDXZ.json","view_paper":"https://pith.science/paper/WPIPR46Z","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1701.07335&json=true","fetch_graph":"https://pith.science/api/pith-number/WPIPR46ZA2BKBWEMF6APORFDXZ/graph.json","fetch_events":"https://pith.science/api/pith-number/WPIPR46ZA2BKBWEMF6APORFDXZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WPIPR46ZA2BKBWEMF6APORFDXZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WPIPR46ZA2BKBWEMF6APORFDXZ/action/storage_attestation","attest_author":"https://pith.science/pith/WPIPR46ZA2BKBWEMF6APORFDXZ/action/author_attestation","sign_citation":"https://pith.science/pith/WPIPR46ZA2BKBWEMF6APORFDXZ/action/citation_signature","submit_replication":"https://pith.science/pith/WPIPR46ZA2BKBWEMF6APORFDXZ/action/replication_record"}},"created_at":"2026-05-17T23:43:43.538940+00:00","updated_at":"2026-05-17T23:43:43.538940+00:00"}