Pith Number

pith:DINIRPTA

pith:2017:DINIRPTAOSLPSB74AA6ULMKYC6

not attested not anchored not stored refs pending

Pythagorean theorem of Sharpe ratio

Takashi Shinzato

arxiv:1703.02777 v1 · 2017-03-08 · q-fin.PM · cond-mat.dis-nn · math.OC · q-fin.RM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DINIRPTAOSLPSB74AA6ULMKYC6}

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	2026-05-18T00:49:05.651754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a1a88be607496f907fc003d45b15817b9429d8900241d06edcc77655410a2ae

Aliases

arxiv: 1703.02777 · arxiv_version: 1703.02777v1 · doi: 10.48550/arxiv.1703.02777 · pith_short_12: DINIRPTAOSLP · pith_short_16: DINIRPTAOSLPSB74 · pith_short_8: DINIRPTA

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/DINIRPTAOSLPSB74AA6ULMKYC6 \
  | 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: 1a1a88be607496f907fc003d45b15817b9429d8900241d06edcc77655410a2ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b713b79e890675cd08cee607f46b6f6999e3c89369499ce8f7bcfaad431d4bd3",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "math.OC",
      "q-fin.RM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2017-03-08T10:35:56Z",
    "title_canon_sha256": "e2d00b0f4173d364a43dd821b3d33724ff407c1eb9c2633ef1db6934e863c984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02777",
    "kind": "arxiv",
    "version": 1
  }
}