Pith Number

pith:RUINPPJ3

pith:2007:RUINPPJ3NYN2R47T4ABEJMZWOO

not attested not anchored not stored refs pending

A note on the U,V method of estimation

Arthur Cohen, Harold Sackrowitz

arxiv:0708.0981 v1 · 2007-08-07 · math.ST · 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{RUINPPJ3NYN2R47T4ABEJMZWOO}

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	2026-07-04T15:52:58.242210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d10d7bd3b6e1ba8f3f3e00244b3367388697c6086e8a5b22b0c8241d2110c2d

Aliases

arxiv: 0708.0981 · arxiv_version: 0708.0981v1 · doi: 10.48550/arxiv.0708.0981 · pith_short_12: RUINPPJ3NYN2 · pith_short_16: RUINPPJ3NYN2R47T · pith_short_8: RUINPPJ3

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/RUINPPJ3NYN2R47T4ABEJMZWOO \
  | 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: 8d10d7bd3b6e1ba8f3f3e00244b3367388697c6086e8a5b22b0c8241d2110c2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "664db8ce93b2386c2e3ab7baec47f143041a15ce0a64c51c35b898265aff0df0",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "",
    "primary_cat": "math.ST",
    "submitted_at": "2007-08-07T15:47:51Z",
    "title_canon_sha256": "cd735030bb283174a0c9f22f20fc3c82707ba0d7927d1d1ed3fe13893fdc3ece"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.0981",
    "kind": "arxiv",
    "version": 1
  }
}