Pith Number

pith:7UA33DLC

pith:2018:7UA33DLCU3SQIEFUFVYDVWDYER

not attested not anchored not stored refs pending

Elements of Finite Order in the Riordan Group and Their Eigenvectors

Marshall M. Cohen

arxiv:1806.06432 v4 · 2018-06-17 · 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{7UA33DLCU3SQIEFUFVYDVWDYER}

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	2026-05-17T23:54:39.501728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd01bd8d62a6e50410b42d703ad87824588b75ec12c74e33c9c6f9ee3f35da1f

Aliases

arxiv: 1806.06432 · arxiv_version: 1806.06432v4 · doi: 10.48550/arxiv.1806.06432 · pith_short_12: 7UA33DLCU3SQ · pith_short_16: 7UA33DLCU3SQIEFU · pith_short_8: 7UA33DLC

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/7UA33DLCU3SQIEFUFVYDVWDYER \
  | 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: fd01bd8d62a6e50410b42d703ad87824588b75ec12c74e33c9c6f9ee3f35da1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35598b7daa6f4ff4c0fb3bbfa8f542cad1fa54edba41730c2aa20da9478b64b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-06-17T19:19:14Z",
    "title_canon_sha256": "855dfa9809dde384dae13f1b7dc1e759e4ebc500e622c65cd36f2539a2444618"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06432",
    "kind": "arxiv",
    "version": 4
  }
}