Pith Number

pith:FO54YHG2

pith:2010:FO54YHG2SXIZ7KYECGNISAHCX3

not attested not anchored not stored refs pending

Testing Closeness of Discrete Distributions

Lance Fortnow, Patrick White, Ronitt Rubinfeld, Tugkan Batu, Warren D. Smith

arxiv:1009.5397 v2 · 2010-09-27 · cs.DS · math.PR · 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{FO54YHG2SXIZ7KYECGNISAHCX3}

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	2026-05-18T04:37:09.976536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bbbcc1cda95d19fab04119a8900e2beee5a6518a6ac8cf04d3aa570c6881a77

Aliases

arxiv: 1009.5397 · arxiv_version: 1009.5397v2 · doi: 10.48550/arxiv.1009.5397 · pith_short_12: FO54YHG2SXIZ · pith_short_16: FO54YHG2SXIZ7KYE · pith_short_8: FO54YHG2

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/FO54YHG2SXIZ7KYECGNISAHCX3 \
  | 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: 2bbbcc1cda95d19fab04119a8900e2beee5a6518a6ac8cf04d3aa570c6881a77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "634cce162c208397df68f900daf30548a19263dd53a5793eea568825a7585148",
    "cross_cats_sorted": [
      "math.PR",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-09-27T20:57:00Z",
    "title_canon_sha256": "143e2f67a152a55c84b1bd06d6342cba7ac87608a59d9f11ed701009b371ffd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5397",
    "kind": "arxiv",
    "version": 2
  }
}