Pith Number

pith:NKNSWPCY

pith:2000:NKNSWPCY6U2FZU64TZ3SZRZ2IF

not attested not anchored not stored refs pending

Enumerations of lattice animals and trees

Iwan Jensen

arxiv:cond-mat/0007239 v2 · 2000-07-14 · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKNSWPCY6U2FZU64TZ3SZRZ2IF}

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	2026-05-18T01:40:08.325960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a9b2b3c58f5345cd3dc9e772cc73a4164b9e475b0f7181a97e4078105d1388a

Aliases

arxiv: cond-mat/0007239 · arxiv_version: cond-mat/0007239v2 · doi: 10.48550/arxiv.cond-mat/0007239 · pith_short_12: NKNSWPCY6U2F · pith_short_16: NKNSWPCY6U2FZU64 · pith_short_8: NKNSWPCY

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/NKNSWPCY6U2FZU64TZ3SZRZ2IF \
  | 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: 6a9b2b3c58f5345cd3dc9e772cc73a4164b9e475b0f7181a97e4078105d1388a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7279a9c54355b6d13d4e0f386a1e6e453f9ecb6addc7e0f347c22d875b5991a5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2000-07-14T02:43:46Z",
    "title_canon_sha256": "a70e4a0304433d67d93e79a0e3a42953ea8c16544f76cc505621bf56f93f5686"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0007239",
    "kind": "arxiv",
    "version": 2
  }
}