Pith Number

pith:GIG6SVGN

pith:2016:GIG6SVGNX3JGJBZOKQGUEEM3VO

not attested not anchored not stored refs pending

How to Combine a Billion Alphas

Willie Yu, Zura Kakushadze

arxiv:1603.05937 v2 · 2016-03-18 · q-fin.PM · 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{GIG6SVGNX3JGJBZOKQGUEEM3VO}

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	2026-05-18T00:54:52.846860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

320de954cdbed264872e540d42119bab9fd9bf9b81f0874e909b47b4f21bfec7

Aliases

arxiv: 1603.05937 · arxiv_version: 1603.05937v2 · doi: 10.48550/arxiv.1603.05937 · pith_short_12: GIG6SVGNX3JG · pith_short_16: GIG6SVGNX3JGJBZO · pith_short_8: GIG6SVGN

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/GIG6SVGNX3JGJBZOKQGUEEM3VO \
  | 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: 320de954cdbed264872e540d42119bab9fd9bf9b81f0874e909b47b4f21bfec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03b50eb377903928e4eca976cd0f83269bc9b5d8c2b9e8df6e70185b909e104b",
    "cross_cats_sorted": [
      "q-fin.RM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2016-03-18T17:49:09Z",
    "title_canon_sha256": "fa52198d231f77d79c78ca2bf266e848f89366267fde5fb63eb6ce8c3408fddc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05937",
    "kind": "arxiv",
    "version": 2
  }
}