Pith Number

pith:6C6LFGDO

pith:2012:6C6LFGDOW4SLHPXWHJROYOINLX

not attested not anchored not stored refs pending

Complexity of complexity and strings with maximal plain and prefix Kolmogorov complexity

Alexander Shen, Bruno Bauwens

arxiv:1202.6668 v2 · 2012-02-29 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6C6LFGDOW4SLHPXWHJROYOINLX}

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	2026-05-18T03:26:39.594199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0bcb2986eb724b3bef63a62ec390d5de89670189cae41d98b2655c871a5bc06

Aliases

arxiv: 1202.6668 · arxiv_version: 1202.6668v2 · doi: 10.48550/arxiv.1202.6668 · pith_short_12: 6C6LFGDOW4SL · pith_short_16: 6C6LFGDOW4SLHPXW · pith_short_8: 6C6LFGDO

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/6C6LFGDOW4SLHPXWHJROYOINLX \
  | 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: f0bcb2986eb724b3bef63a62ec390d5de89670189cae41d98b2655c871a5bc06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc7b59e017a703ad958e7d3010a986c289af6f86061e69f01fb19e884a0f8cc3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2012-02-29T20:09:17Z",
    "title_canon_sha256": "bf08417e3e6cd30de144b0064ae5a83261c440cf2dd4bcb2f9051bcec8552999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6668",
    "kind": "arxiv",
    "version": 2
  }
}