Pith Number

pith:KL3XAJU5

pith:2009:KL3XAJU5SVI27UTFH77DI444NC

not attested not anchored not stored refs pending

Self-Assembly as Graph Grammar as Distributed System

Aaron Sterling

arxiv:0902.2420 v3 · 2009-02-14 · cs.DC · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KL3XAJU5SVI27UTFH77DI444NC}

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	2026-05-18T04:17:15.609406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52f770269d9551afd2653ffe34739c689237c7e492e1e281985befb4cf76cdab

Aliases

arxiv: 0902.2420 · arxiv_version: 0902.2420v3 · doi: 10.48550/arxiv.0902.2420 · pith_short_12: KL3XAJU5SVI2 · pith_short_16: KL3XAJU5SVI27UTF · pith_short_8: KL3XAJU5

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/KL3XAJU5SVI27UTFH77DI444NC \
  | 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: 52f770269d9551afd2653ffe34739c689237c7e492e1e281985befb4cf76cdab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8eb87bed31acbc1a20e813106a143ea2596ebb2479cfa4592c61ca03d21891ea",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2009-02-14T01:17:03Z",
    "title_canon_sha256": "7a588fb89453d83bc09f2c0d5a42b617ef34854ca2ed0ba2e333ca587f1dfbb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2420",
    "kind": "arxiv",
    "version": 3
  }
}