Pith Number

pith:HVT3X6TD

pith:2009:HVT3X6TD5SFWGZNCGKYYSQIVQL

not attested not anchored not stored refs pending

Computable de Finetti measures

Cameron E. Freer, Daniel M. Roy

arxiv:0912.1072 v2 · 2009-12-06 · math.LO · cs.LO · cs.PL · math.PR · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HVT3X6TD5SFWGZNCGKYYSQIVQL}

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	2026-05-18T04:03:19.613545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d67bbfa63ec8b6365a232b189411582e8a5454176ec23e7d0023ef275acdab6

Aliases

arxiv: 0912.1072 · arxiv_version: 0912.1072v2 · doi: 10.48550/arxiv.0912.1072 · pith_short_12: HVT3X6TD5SFW · pith_short_16: HVT3X6TD5SFWGZNC · pith_short_8: HVT3X6TD

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/HVT3X6TD5SFWGZNCGKYYSQIVQL \
  | 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: 3d67bbfa63ec8b6365a232b189411582e8a5454176ec23e7d0023ef275acdab6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "562570e0419e5dfea1ce4eb10cfac78b8ebb2ec41a35076cc89e0ad44fc6d71b",
    "cross_cats_sorted": [
      "cs.LO",
      "cs.PL",
      "math.PR",
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2009-12-06T02:50:35Z",
    "title_canon_sha256": "990975e742e00a3778cd7b80922af237eafc0b4a00072446c657fbb53016f66e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1072",
    "kind": "arxiv",
    "version": 2
  }
}