Pith Number

pith:QUAY4XXS

pith:2018:QUAY4XXSBUQ7HOOTZY6XVORV2P

not attested not anchored not stored refs pending

Why don't the modules dominate - Investigating the Structure of a Well-Known Modularity-Inducing Problem Domain

Robert McKay, Tom Gedeon, Zhenyue Qin

arxiv:1807.05976 v2 · 2018-07-11 · 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{QUAY4XXSBUQ7HOOTZY6XVORV2P}

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	2026-05-18T00:07:58.074222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85018e5ef20d21f3b9d3ce3d7aba35d3dc4db79b6ced136eb5e103cd6756b9e3

Aliases

arxiv: 1807.05976 · arxiv_version: 1807.05976v2 · doi: 10.48550/arxiv.1807.05976 · pith_short_12: QUAY4XXSBUQ7 · pith_short_16: QUAY4XXSBUQ7HOOT · pith_short_8: QUAY4XXS

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/QUAY4XXSBUQ7HOOTZY6XVORV2P \
  | 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: 85018e5ef20d21f3b9d3ce3d7aba35d3dc4db79b6ced136eb5e103cd6756b9e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09b3a9bebc128a1d6c0c5ae39a23d70352b5d460ed105d0c55de6a18925e49ba",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-07-11T13:36:59Z",
    "title_canon_sha256": "d181af997513bccd8f25b4acb26fb413c801b06b3c3de61341aca1e39e0cc5d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05976",
    "kind": "arxiv",
    "version": 2
  }
}