{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:UHKLH5CUE3XGYG4DFDNOZ52AS6","short_pith_number":"pith:UHKLH5CU","schema_version":"1.0","canonical_sha256":"a1d4b3f45426ee6c1b8328daecf7409795da36f21d51096cfc2cae27e81ce413","source":{"kind":"arxiv","id":"1110.1006","version":1},"attestation_state":"computed","paper":{"title":"Returns in futures markets and $\\nu=3$ t-distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-fin.ST","authors_text":"Laurent Schoeffel (CEA-Saclay)","submitted_at":"2011-10-05T14:43:35Z","abstract_excerpt":"The probability distribution of log-returns of financial time series, sampled at high frequency, is the basis for any further developments in quantitative finance. In this letter, we present experimental results based on a large set of time series on futures. Then, we show that the t-distribution with $\\nu \\simeq 3$ gives a nice description of almost all data series. This appears to be a quite general result that stays robust on a large set of any financial data as well as on a wide range of sampling frequency of these data, below one hour."},"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":"1110.1006","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.ST","submitted_at":"2011-10-05T14:43:35Z","cross_cats_sorted":[],"title_canon_sha256":"eb5b28bdc8a81ddfc205a0965e002ce85a6ab1df3de09f7d172c0e9b8f691451","abstract_canon_sha256":"d15f2f649ebe7a89c8d96b0c9fc58f276b7d3c323883091d4b3981640919bd90"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:11:40.027819Z","signature_b64":"2kYlyflkfWFSz4QIFoVMBH5+WGMs4hCW8KPUimD84AxNpTUCkgM1kyIXDGpPB1JmS0TiyIkZ5oeCqUTTJTSWCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1d4b3f45426ee6c1b8328daecf7409795da36f21d51096cfc2cae27e81ce413","last_reissued_at":"2026-05-18T04:11:40.027370Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:11:40.027370Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Returns in futures markets and $\\nu=3$ t-distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-fin.ST","authors_text":"Laurent Schoeffel (CEA-Saclay)","submitted_at":"2011-10-05T14:43:35Z","abstract_excerpt":"The probability distribution of log-returns of financial time series, sampled at high frequency, is the basis for any further developments in quantitative finance. In this letter, we present experimental results based on a large set of time series on futures. Then, we show that the t-distribution with $\\nu \\simeq 3$ gives a nice description of almost all data series. This appears to be a quite general result that stays robust on a large set of any financial data as well as on a wide range of sampling frequency of these data, below one hour."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1006","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":"1110.1006","created_at":"2026-05-18T04:11:40.027437+00:00"},{"alias_kind":"arxiv_version","alias_value":"1110.1006v1","created_at":"2026-05-18T04:11:40.027437+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1006","created_at":"2026-05-18T04:11:40.027437+00:00"},{"alias_kind":"pith_short_12","alias_value":"UHKLH5CUE3XG","created_at":"2026-05-18T12:26:42.757692+00:00"},{"alias_kind":"pith_short_16","alias_value":"UHKLH5CUE3XGYG4D","created_at":"2026-05-18T12:26:42.757692+00:00"},{"alias_kind":"pith_short_8","alias_value":"UHKLH5CU","created_at":"2026-05-18T12:26:42.757692+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/UHKLH5CUE3XGYG4DFDNOZ52AS6","json":"https://pith.science/pith/UHKLH5CUE3XGYG4DFDNOZ52AS6.json","graph_json":"https://pith.science/api/pith-number/UHKLH5CUE3XGYG4DFDNOZ52AS6/graph.json","events_json":"https://pith.science/api/pith-number/UHKLH5CUE3XGYG4DFDNOZ52AS6/events.json","paper":"https://pith.science/paper/UHKLH5CU"},"agent_actions":{"view_html":"https://pith.science/pith/UHKLH5CUE3XGYG4DFDNOZ52AS6","download_json":"https://pith.science/pith/UHKLH5CUE3XGYG4DFDNOZ52AS6.json","view_paper":"https://pith.science/paper/UHKLH5CU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1110.1006&json=true","fetch_graph":"https://pith.science/api/pith-number/UHKLH5CUE3XGYG4DFDNOZ52AS6/graph.json","fetch_events":"https://pith.science/api/pith-number/UHKLH5CUE3XGYG4DFDNOZ52AS6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UHKLH5CUE3XGYG4DFDNOZ52AS6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UHKLH5CUE3XGYG4DFDNOZ52AS6/action/storage_attestation","attest_author":"https://pith.science/pith/UHKLH5CUE3XGYG4DFDNOZ52AS6/action/author_attestation","sign_citation":"https://pith.science/pith/UHKLH5CUE3XGYG4DFDNOZ52AS6/action/citation_signature","submit_replication":"https://pith.science/pith/UHKLH5CUE3XGYG4DFDNOZ52AS6/action/replication_record"}},"created_at":"2026-05-18T04:11:40.027437+00:00","updated_at":"2026-05-18T04:11:40.027437+00:00"}