Pith Number

pith:5LEBYLWS

pith:2021:5LEBYLWSKTSFJVY47U3KUAYBFJ

not attested not anchored not stored refs pending

Resolving Anomalies in the Behaviour of a Modularity Inducing Problem Domain with Distributional Fitness Evaluation

Bob McKay, Tom Gedeon, Zhenyue Qin

arxiv:2110.13609 v2 · 2021-10-15 · cs.NE · 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{5LEBYLWSKTSFJVY47U3KUAYBFJ}

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	2026-07-05T03:40:03.680737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eac81c2ed254e454d71cfd36aa03012a601f94e7b5ddfad9ea185d5091111989

Aliases

arxiv: 2110.13609 · arxiv_version: 2110.13609v2 · doi: 10.48550/arxiv.2110.13609 · pith_short_12: 5LEBYLWSKTSF · pith_short_16: 5LEBYLWSKTSFJVY4 · pith_short_8: 5LEBYLWS

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/5LEBYLWSKTSFJVY47U3KUAYBFJ \
  | 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: eac81c2ed254e454d71cfd36aa03012a601f94e7b5ddfad9ea185d5091111989

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6a5168d71945c5ca4081228f1384229e8f16d42bc1c8cbbcb796991598164bf",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2021-10-15T12:56:34Z",
    "title_canon_sha256": "faee974a47ea3acf2f0c2bd38f0b44c359b2d0e38e85c5f154db0b683be19be1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.13609",
    "kind": "arxiv",
    "version": 2
  }
}