Pith Number

pith:3ONW3CRJ

pith:2018:3ONW3CRJ3BLF2F57Y3RXIGOLPR

not attested not anchored not stored refs pending

A Language Hierarchy of Binary Relations

Alan J. Cain, Tara Brough

arxiv:1805.03125 v2 · 2018-05-08 · cs.FL · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ONW3CRJ3BLF2F57Y3RXIGOLPR}

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	2026-05-17T23:59:01.807522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db9b6d8a29d8565d17bfc6e37419cb7c63ebf5f41eae606571b8622cd596e73e

Aliases

arxiv: 1805.03125 · arxiv_version: 1805.03125v2 · doi: 10.48550/arxiv.1805.03125 · pith_short_12: 3ONW3CRJ3BLF · pith_short_16: 3ONW3CRJ3BLF2F57 · pith_short_8: 3ONW3CRJ

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/3ONW3CRJ3BLF2F57Y3RXIGOLPR \
  | 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: db9b6d8a29d8565d17bfc6e37419cb7c63ebf5f41eae606571b8622cd596e73e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e75a3b44a2bd8a6f5f63c44bf1fa541c5aac8360d8d9fd6a4f9c9a498bc91c1",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-05-08T15:53:26Z",
    "title_canon_sha256": "f0fc02ac33023daa6021621cd405644e72512048185955a16418b1c93fa482d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03125",
    "kind": "arxiv",
    "version": 2
  }
}