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Pith Number

pith:DY47ISUV

pith:2011:DY47ISUVOI7VSYZYRSOYCXQRQN
not attested not anchored not stored refs pending

Riordan Matrix Representations of Euler's Constant $\gamma$ and Euler's Number $e$

Asamoah Nkwanta, Edray Herber Goins

arxiv:1108.3846 v1 · 2011-08-18 · math.CO · math.RT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DY47ISUVOI7VSYZYRSOYCXQRQN}

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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 2026-05-18T04:15:06.263682Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1e39f44a95723f5963388c9d815e118349e8f38ed9d564f3127f0f8c9948b7b3

Aliases

arxiv: 1108.3846 · arxiv_version: 1108.3846v1 · doi: 10.48550/arxiv.1108.3846 · pith_short_12: DY47ISUVOI7V · pith_short_16: DY47ISUVOI7VSYZY · pith_short_8: DY47ISUV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DY47ISUVOI7VSYZYRSOYCXQRQN \
  | 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: 1e39f44a95723f5963388c9d815e118349e8f38ed9d564f3127f0f8c9948b7b3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c3c15accd920d38dc0a58f39cc8b70bbd03a02b3be27944ed4f600c8036c0e0a",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-08-18T20:10:28Z",
    "title_canon_sha256": "c9303abbd2b21d63a3ad6292f9c76e04a80468e1495f64de94517d8ed1348b49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3846",
    "kind": "arxiv",
    "version": 1
  }
}