{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:NEIFWBIO67XZMOVYH7K37Z3KGC","short_pith_number":"pith:NEIFWBIO","schema_version":"1.0","canonical_sha256":"69105b050ef7ef963ab83fd5bfe76a30ae2b78daf8264f4ff980abd492d93965","source":{"kind":"arxiv","id":"1501.06413","version":4},"attestation_state":"computed","paper":{"title":"A family of Ramanujan-Orr formulas for $1/\\pi$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.NT","authors_text":"Jes\\'us Guillera","submitted_at":"2015-01-26T14:32:42Z","abstract_excerpt":"We use a variant of Wan's method to prove two Ramanujan-Orr type formulas for $1/\\pi$. This variant needs to know in advance the formulas for $1/\\pi$ that we want to prove, but avoids the need of solving a system of equations."},"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":"1501.06413","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NT","submitted_at":"2015-01-26T14:32:42Z","cross_cats_sorted":[],"title_canon_sha256":"adb55c56c919b0392b83324fb3cf6e03530c39cb9056fa0e312ffc54013dbd7a","abstract_canon_sha256":"9eb760a55ff7c50a7f439bb21329e911c48529dfbc2c1750b6fbf2bf29bb7f77"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:22.668115Z","signature_b64":"lyre/UcvSJp7H6N1JAXtw1pm1s36v5mFviRlI7pHV6vniwkiG6S7ApO0Bv+Wk7FLOghuanzTh3bt8N9om9CqCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69105b050ef7ef963ab83fd5bfe76a30ae2b78daf8264f4ff980abd492d93965","last_reissued_at":"2026-05-18T00:27:22.667549Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:22.667549Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A family of Ramanujan-Orr formulas for $1/\\pi$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.NT","authors_text":"Jes\\'us Guillera","submitted_at":"2015-01-26T14:32:42Z","abstract_excerpt":"We use a variant of Wan's method to prove two Ramanujan-Orr type formulas for $1/\\pi$. This variant needs to know in advance the formulas for $1/\\pi$ that we want to prove, but avoids the need of solving a system of equations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.06413","kind":"arxiv","version":4},"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":"1501.06413","created_at":"2026-05-18T00:27:22.667649+00:00"},{"alias_kind":"arxiv_version","alias_value":"1501.06413v4","created_at":"2026-05-18T00:27:22.667649+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.06413","created_at":"2026-05-18T00:27:22.667649+00:00"},{"alias_kind":"pith_short_12","alias_value":"NEIFWBIO67XZ","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_16","alias_value":"NEIFWBIO67XZMOVY","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_8","alias_value":"NEIFWBIO","created_at":"2026-05-18T12:29:32.376354+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/NEIFWBIO67XZMOVYH7K37Z3KGC","json":"https://pith.science/pith/NEIFWBIO67XZMOVYH7K37Z3KGC.json","graph_json":"https://pith.science/api/pith-number/NEIFWBIO67XZMOVYH7K37Z3KGC/graph.json","events_json":"https://pith.science/api/pith-number/NEIFWBIO67XZMOVYH7K37Z3KGC/events.json","paper":"https://pith.science/paper/NEIFWBIO"},"agent_actions":{"view_html":"https://pith.science/pith/NEIFWBIO67XZMOVYH7K37Z3KGC","download_json":"https://pith.science/pith/NEIFWBIO67XZMOVYH7K37Z3KGC.json","view_paper":"https://pith.science/paper/NEIFWBIO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1501.06413&json=true","fetch_graph":"https://pith.science/api/pith-number/NEIFWBIO67XZMOVYH7K37Z3KGC/graph.json","fetch_events":"https://pith.science/api/pith-number/NEIFWBIO67XZMOVYH7K37Z3KGC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NEIFWBIO67XZMOVYH7K37Z3KGC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NEIFWBIO67XZMOVYH7K37Z3KGC/action/storage_attestation","attest_author":"https://pith.science/pith/NEIFWBIO67XZMOVYH7K37Z3KGC/action/author_attestation","sign_citation":"https://pith.science/pith/NEIFWBIO67XZMOVYH7K37Z3KGC/action/citation_signature","submit_replication":"https://pith.science/pith/NEIFWBIO67XZMOVYH7K37Z3KGC/action/replication_record"}},"created_at":"2026-05-18T00:27:22.667649+00:00","updated_at":"2026-05-18T00:27:22.667649+00:00"}