Pith Number

pith:2ZYW5W57

pith:2009:2ZYW5W577T7TCO2JBGKFRBMNQO

not attested not anchored not stored refs pending

Self-Assembling Systems are Distributed Systems

Aaron Sterling

arxiv:0907.1072 v2 · 2009-07-06 · cs.FL · cs.DC · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZYW5W577T7TCO2JBGKFRBMNQO}

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	2026-05-18T04:17:15.529159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6716edbbffcff313b49099458858d8384f6b95311ec58ed6188ce90226ef334

Aliases

arxiv: 0907.1072 · arxiv_version: 0907.1072v2 · doi: 10.48550/arxiv.0907.1072 · pith_short_12: 2ZYW5W577T7T · pith_short_16: 2ZYW5W577T7TCO2J · pith_short_8: 2ZYW5W57

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/2ZYW5W577T7TCO2JBGKFRBMNQO \
  | 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: d6716edbbffcff313b49099458858d8384f6b95311ec58ed6188ce90226ef334

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cbc59a18182e22609e7ce0aa0f9cdfc0a9448f37cd0b5198f126aecbc3b8621",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2009-07-06T19:04:52Z",
    "title_canon_sha256": "61d96579b49614134ad6476a92a8e5524c183b91d75168a94008cabcd355d82a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1072",
    "kind": "arxiv",
    "version": 2
  }
}