Pith Number

pith:I7IVQP7Z

pith:2018:I7IVQP7ZFI77ZP2YU5TQS5M6SG

not attested not anchored not stored refs pending

Connecting Sharpe ratio and Student t-statistic, and beyond

Eric Benhamou

arxiv:1808.04233 v4 · 2018-08-02 · q-fin.ST · stat.ME

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I7IVQP7ZFI77ZP2YU5TQS5M6SG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:46:19.506085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47d1583ff92a3ffcbf58a76709759e91908e0010a333032accfceceb9f236916

Aliases

arxiv: 1808.04233 · arxiv_version: 1808.04233v4 · doi: 10.48550/arxiv.1808.04233 · pith_short_12: I7IVQP7ZFI77 · pith_short_16: I7IVQP7ZFI77ZP2Y · pith_short_8: I7IVQP7Z

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/I7IVQP7ZFI77ZP2YU5TQS5M6SG \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 47d1583ff92a3ffcbf58a76709759e91908e0010a333032accfceceb9f236916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf1674ca1ec2f357a3334e51edda5c1c963270308185db25c6e6c52e8d5400e6",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2018-08-02T16:47:03Z",
    "title_canon_sha256": "87dba982c327fc50a976bb413a5a8a2551f583a019d44432015c5ada46b15ca2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04233",
    "kind": "arxiv",
    "version": 4
  }
}