Pith Number

pith:PERUGDVW

pith:2012:PERUGDVWJWOPZDDMOAV3DDOZLN

not attested not anchored not stored refs pending

Stable Independance and Complexity of Representation

Linda C. van der Gaag, Peter de Waal

arxiv:1207.4120 v1 · 2012-07-11 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PERUGDVWJWOPZDDMOAV3DDOZLN}

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	2026-05-18T03:50:47.911385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7923430eb64d9cfc8c6c702bb18dd95b638ae156b82391abc677ff1546877edb

Aliases

arxiv: 1207.4120 · arxiv_version: 1207.4120v1 · doi: 10.48550/arxiv.1207.4120 · pith_short_12: PERUGDVWJWOP · pith_short_16: PERUGDVWJWOPZDDM · pith_short_8: PERUGDVW

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/PERUGDVWJWOPZDDMOAV3DDOZLN \
  | 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: 7923430eb64d9cfc8c6c702bb18dd95b638ae156b82391abc677ff1546877edb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a5a1ded5fccbcbcde5ee4e1c1b441706179ee67b5d2104a5fa13d0bfde82250",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-07-11T14:45:20Z",
    "title_canon_sha256": "6679662d1f6e180c4b940383ebbb0183943d4f4b68fa9d7fb04d6c55d211b969"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4120",
    "kind": "arxiv",
    "version": 1
  }
}