Pith Number

pith:7OFRGZ7C

pith:2026:7OFRGZ7CFGDJTQFN3DLLGWAKD5

not attested not anchored not stored refs pending

Missing data and cluster graphs: cluster-level missingness vs variable-level missingness

Charles Assaad, Eugenio Valdano, Willow Scott

arxiv:2605.20943 v1 · 2026-05-20 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OFRGZ7CFGDJTQFN3DLLGWAKD5}

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	2026-05-21T01:05:29.179893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb8b1367e2298699c0add8d6b3580a1f7faf5d27af2e5e916e42a167f7f54d42

Aliases

arxiv: 2605.20943 · arxiv_version: 2605.20943v1 · doi: 10.48550/arxiv.2605.20943 · pith_short_12: 7OFRGZ7CFGDJ · pith_short_16: 7OFRGZ7CFGDJTQFN · pith_short_8: 7OFRGZ7C

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/7OFRGZ7CFGDJTQFN3DLLGWAKD5 \
  | 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: fb8b1367e2298699c0add8d6b3580a1f7faf5d27af2e5e916e42a167f7f54d42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f79f799fdadd3cac70da1ae4b508023394a46a7df2a0ea15025abacd32d44cde",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-05-20T09:29:24Z",
    "title_canon_sha256": "fd55a3d967efe524eb1e984e25ecc848817f2f292d8d59ba11e583a50846962b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20943",
    "kind": "arxiv",
    "version": 1
  }
}