Pith Number

pith:B3BACPOV

pith:2009:B3BACPOVOKPKZTBZU3KSKUIEIA

not attested not anchored not stored refs pending

Temperature 1 Self-Assembly: Deterministic Assembly in 3D and Probabilistic Assembly in 2D

Matthew Cook, Robert T. Schweller, Yunhui Fu

arxiv:0912.0027 v2 · 2009-11-30 · cs.CC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B3BACPOVOKPKZTBZU3KSKUIEIA}

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	2026-05-18T02:24:46.011232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ec2013dd5729eaccc39a6d5255104401dc9fa92da19fc4d5dceee99c4acf776

Aliases

arxiv: 0912.0027 · arxiv_version: 0912.0027v2 · doi: 10.48550/arxiv.0912.0027 · pith_short_12: B3BACPOVOKPK · pith_short_16: B3BACPOVOKPKZTBZ · pith_short_8: B3BACPOV

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/B3BACPOVOKPKZTBZU3KSKUIEIA \
  | 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: 0ec2013dd5729eaccc39a6d5255104401dc9fa92da19fc4d5dceee99c4acf776

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1993652d69207c3ffa74338faf95af3ac1cb3a41e3009ae441c1d73bb1f71b5",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2009-11-30T21:45:29Z",
    "title_canon_sha256": "6232826aa4fa75e35ea9d681aaa35bb83eb810b1802abbe2a6197ce7a87efdc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0027",
    "kind": "arxiv",
    "version": 2
  }
}