Pith Number

pith:XLAL222Y

pith:2018:XLAL222YJVVO3NKKU7U3RTN4AH

not attested not anchored not stored refs pending

The group generated by Riordan involutions

Ana Luzon, L. Felipe Prieto-Martinez, Manuel A. Mor\'on

arxiv:1803.06872 v1 · 2018-03-19 · 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{XLAL222YJVVO3NKKU7U3RTN4AH}

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	2026-05-18T00:20:41.052414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bac0bd6b584d6aedb54aa7e9b8cdbc01e472f91e0461224d5f39606528c7d1b4

Aliases

arxiv: 1803.06872 · arxiv_version: 1803.06872v1 · doi: 10.48550/arxiv.1803.06872 · pith_short_12: XLAL222YJVVO · pith_short_16: XLAL222YJVVO3NKK · pith_short_8: XLAL222Y

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/XLAL222YJVVO3NKKU7U3RTN4AH \
  | 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: bac0bd6b584d6aedb54aa7e9b8cdbc01e472f91e0461224d5f39606528c7d1b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "905c10d83825fe4df33a5450030e4a80c0db7ec07cefaf2be363871bd5d594ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-03-19T11:28:12Z",
    "title_canon_sha256": "dd3ff88076ce6cd65d6b9c69e1121e8e8ace346192f3ba6232573869c7f36e96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06872",
    "kind": "arxiv",
    "version": 1
  }
}