Pith Number

pith:WT7TJ66C

pith:2013:WT7TJ66CAZU56KWRCXBG6HTUMX

not attested not anchored not stored refs pending

Treedy: A Heuristic for Counting and Sampling Subsets

Mikko Koivisto, Teppo Niinimaki

arxiv:1309.6851 v1 · 2013-09-26 · cs.DS · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WT7TJ66CAZU56KWRCXBG6HTUMX}

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	2026-05-18T03:12:10.075098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4ff34fbc20669df2ad115c26f1e7465c1c6b71ec3854acaf86f9cdf4cc90058

Aliases

arxiv: 1309.6851 · arxiv_version: 1309.6851v1 · doi: 10.48550/arxiv.1309.6851 · pith_short_12: WT7TJ66CAZU5 · pith_short_16: WT7TJ66CAZU56KWR · pith_short_8: WT7TJ66C

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/WT7TJ66CAZU56KWRCXBG6HTUMX \
  | 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: b4ff34fbc20669df2ad115c26f1e7465c1c6b71ec3854acaf86f9cdf4cc90058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65157abe43386f4ee82ec7740587decb70b8b15df818404f2369ee7bb4fdf23c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-09-26T12:46:13Z",
    "title_canon_sha256": "4dde8b0c1a60bb9bfb9be6f1f4f33c5f8a88f6a3f34dd9857ae432cca82a88ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6851",
    "kind": "arxiv",
    "version": 1
  }
}