Pith Number

pith:LW3VTMZN

pith:2025:LW3VTMZNTDQ63DZNE7RERXSS6Z

not attested not anchored not stored refs pending

Sequence Characterization of Multiple Almost-Riordan Arrays and Their Compressions

Tian-Xiao He

arxiv:2509.02893 v1 · 2025-09-02 · 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{LW3VTMZNTDQ63DZNE7RERXSS6Z}

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	2026-07-05T12:03:59.444612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5db759b32d98e1ed8f2d27e248de52f6753ef8314dc8dcdd7c6a50d5bb7ac13c

Aliases

arxiv: 2509.02893 · arxiv_version: 2509.02893v1 · doi: 10.48550/arxiv.2509.02893 · pith_short_12: LW3VTMZNTDQ6 · pith_short_16: LW3VTMZNTDQ63DZN · pith_short_8: LW3VTMZN

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/LW3VTMZNTDQ63DZNE7RERXSS6Z \
  | 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: 5db759b32d98e1ed8f2d27e248de52f6753ef8314dc8dcdd7c6a50d5bb7ac13c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19358509510af3c0576a848da054d4847177d5111278ef12e6c88b23d715a9ea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-09-02T23:36:20Z",
    "title_canon_sha256": "ca62a303b6011defe59846e39af5dfb2f559b64a3468415d0bc4ed8d364a58a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02893",
    "kind": "arxiv",
    "version": 1
  }
}