Pith Number

pith:A4CDXIQL

pith:2014:A4CDXIQLF5ZFHPXHXBMCEGNPCW

not attested not anchored not stored refs pending

Twisted Permutation Codes

Cheryl E. Praeger, Neil I. Gillespie, Pablo Spiga

arxiv:1402.5305 v1 · 2014-02-21 · math.CO · 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{A4CDXIQLF5ZFHPXHXBMCEGNPCW}

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	2026-05-18T02:58:22.627011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07043ba20b2f7253bee7b8582219af15a1e6890f87e2217a5c4625a0fae91cac

Aliases

arxiv: 1402.5305 · arxiv_version: 1402.5305v1 · doi: 10.48550/arxiv.1402.5305 · pith_short_12: A4CDXIQLF5ZF · pith_short_16: A4CDXIQLF5ZFHPXH · pith_short_8: A4CDXIQL

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/A4CDXIQLF5ZFHPXHXBMCEGNPCW \
  | 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: 07043ba20b2f7253bee7b8582219af15a1e6890f87e2217a5c4625a0fae91cac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a98fd7a774934d6e9ef291f386a86b8b727ac3803161720e2d6628d9d75da7b0",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-02-21T14:39:17Z",
    "title_canon_sha256": "d2843d87b0a3947dc0616f55ab2eb0f9369c3e280d5046c79dd46e257ff9517e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5305",
    "kind": "arxiv",
    "version": 1
  }
}