Pith Number

pith:ZPMCGLWD

pith:2017:ZPMCGLWDJYBVOPMMKCDNNWQDGC

not attested not anchored not stored refs pending

Of puzzles and partitions: Introducing Partiti

Andr\'es Eduardo Caicedo, Brittany Shelton

arxiv:1710.04495 v1 · 2017-10-05 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZPMCGLWDJYBVOPMMKCDNNWQDGC}

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	2026-05-18T00:24:09.766003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbd8232ec34e03573d8c5086d6da0330bbec67d2fd0658043defbfa722ceb324

Aliases

arxiv: 1710.04495 · arxiv_version: 1710.04495v1 · doi: 10.48550/arxiv.1710.04495 · pith_short_12: ZPMCGLWDJYBV · pith_short_16: ZPMCGLWDJYBVOPMM · pith_short_8: ZPMCGLWD

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/ZPMCGLWDJYBVOPMMKCDNNWQDGC \
  | 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: cbd8232ec34e03573d8c5086d6da0330bbec67d2fd0658043defbfa722ceb324

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb88f6b09174e262c1b97839a81eb7194506ebd63f6105e02934014661d176d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2017-10-05T19:15:31Z",
    "title_canon_sha256": "85fdf627ab31a99b76d08798481e8b6af04166e74ce90611d528362cb7325017"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.04495",
    "kind": "arxiv",
    "version": 1
  }
}