Pith Number

pith:M26CAQQT

pith:2026:M26CAQQTD52USLREBIEUT2DPES

not attested not anchored not stored refs pending

Self-Convolutions of Generalized Narayana Numbers

Greg Dresden, Guanzhang Zhou, Yuechen Xiao

arxiv:2602.15208 v2 · 2026-02-16 · 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{M26CAQQTD52USLREBIEUT2DPES}

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	2026-05-22T01:03:18.111291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66bc2042131f75492e240a0949e86f249dfcc1d25da1faac74f48f4237754a29

Aliases

arxiv: 2602.15208 · arxiv_version: 2602.15208v2 · doi: 10.48550/arxiv.2602.15208 · pith_short_12: M26CAQQTD52U · pith_short_16: M26CAQQTD52USLRE · pith_short_8: M26CAQQT

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/M26CAQQTD52USLREBIEUT2DPES \
  | 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: 66bc2042131f75492e240a0949e86f249dfcc1d25da1faac74f48f4237754a29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79522c4c41ab5fa499da65c88e3d82d8f0e62e3548ab02593bd4bfaf226ab0e2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-02-16T21:37:17Z",
    "title_canon_sha256": "1f5916192ff2e06439fde3d5d2028def8d75295d34f76aeea99c6343404bade8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.15208",
    "kind": "arxiv",
    "version": 2
  }
}