Pith Number

pith:UNOI4GB4

pith:2017:UNOI4GB4PFWY56BVJPKH3UQ4VI

not attested not anchored not stored refs pending

The Coefficient-Choosing Game

Lawrence C. Washington, Sam Zbarsky, William Gasarch

arxiv:1707.04793 v2 · 2017-07-15 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UNOI4GB4PFWY56BVJPKH3UQ4VI}

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	2026-05-18T00:33:01.880975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a35c8e183c796d8ef8354bd47dd21caa16e83260a2dc69b97f172ed586a27de4

Aliases

arxiv: 1707.04793 · arxiv_version: 1707.04793v2 · doi: 10.48550/arxiv.1707.04793 · pith_short_12: UNOI4GB4PFWY · pith_short_16: UNOI4GB4PFWY56BV · pith_short_8: UNOI4GB4

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/UNOI4GB4PFWY56BVJPKH3UQ4VI \
  | 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: a35c8e183c796d8ef8354bd47dd21caa16e83260a2dc69b97f172ed586a27de4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72ad40119dc4a8ef1de7a6f8cbdac36fc09ac8170b3887751231fc6142bfd81a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-07-15T22:00:48Z",
    "title_canon_sha256": "3a35029efb34ff915a26f8bf8c5033e010b7f9c959b82f8b356667403a16af71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04793",
    "kind": "arxiv",
    "version": 2
  }
}