Pith Number

pith:FRW44GYF

pith:2016:FRW44GYF5TREWFTVSW76SUEYNZ

not attested not anchored not stored refs pending

On Zermelo's theorem

Igor V. Evstigneev, Rabah Amir

arxiv:1610.07160 v1 · 2016-10-23 · 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{FRW44GYF5TREWFTVSW76SUEYNZ}

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	2026-05-18T01:01:35.101436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c6dce1b05ece24b167595bfe950986e4e4c6299fa910263219b20282f6d90fd

Aliases

arxiv: 1610.07160 · arxiv_version: 1610.07160v1 · doi: 10.48550/arxiv.1610.07160 · pith_short_12: FRW44GYF5TRE · pith_short_16: FRW44GYF5TREWFTV · pith_short_8: FRW44GYF

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/FRW44GYF5TREWFTVSW76SUEYNZ \
  | 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: 2c6dce1b05ece24b167595bfe950986e4e4c6299fa910263219b20282f6d90fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea789342d4609117cd90b656be658a66de4143ced9314d877a584511f05f747e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-10-23T12:24:17Z",
    "title_canon_sha256": "8568f345a83b42f6d5973db81dcb6ca7772fa334f79773fa32f4f709b1292fe9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.07160",
    "kind": "arxiv",
    "version": 1
  }
}