Pith Number

pith:JSA2HPOM

pith:2019:JSA2HPOM4SFRNHQXHQHHCZCSER

not attested not anchored not stored refs pending

The "Monkey Typing Shakespeare" Problem for Compositions

Doron Zeilberger, Shalosh B. Ekhad

arxiv:1901.04069 v1 · 2019-01-13 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JSA2HPOM4SFRNHQXHQHHCZCSER}

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	2026-05-17T23:56:26.343165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c81a3bdcce48b169e173c0e7164522458583c2b3a6384db51cee285e400d7af

Aliases

arxiv: 1901.04069 · arxiv_version: 1901.04069v1 · doi: 10.48550/arxiv.1901.04069 · pith_short_12: JSA2HPOM4SFR · pith_short_16: JSA2HPOM4SFRNHQX · pith_short_8: JSA2HPOM

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/JSA2HPOM4SFRNHQXHQHHCZCSER \
  | 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: 4c81a3bdcce48b169e173c0e7164522458583c2b3a6384db51cee285e400d7af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac3d20b63494eb7e44dcbeb2f1d0aefc5372f1826b8d52946c8c9f91662f6075",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-01-13T21:43:01Z",
    "title_canon_sha256": "b1816d591ec0d6bed546c816f13dd922f653b757156392b198b1815f3881aafd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04069",
    "kind": "arxiv",
    "version": 1
  }
}