Pith Number

pith:LDIZIICJ

pith:2015:LDIZIICJNECCC257SKFQPV7JXK

not attested not anchored not stored refs pending

A Symbolic Treatment of Riordan Arrays

\^Angela Mestre, Jos\'e Agapito, Maria M. Torres, Pasquale Petrullo

arxiv:1505.07253 v1 · 2015-05-27 · 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{LDIZIICJNECCC257SKFQPV7JXK}

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	2026-05-18T02:02:05.183628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58d19420496904216bbf928b07d7e9baac96f714225e5f6da9bcca39a97c7d68

Aliases

arxiv: 1505.07253 · arxiv_version: 1505.07253v1 · doi: 10.48550/arxiv.1505.07253 · pith_short_12: LDIZIICJNECC · pith_short_16: LDIZIICJNECCC257 · pith_short_8: LDIZIICJ

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/LDIZIICJNECCC257SKFQPV7JXK \
  | 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: 58d19420496904216bbf928b07d7e9baac96f714225e5f6da9bcca39a97c7d68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1187702b8ab8be9e9602fddb292aa4f459702743fe0fbc95ac51d4f5d1594e9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-05-27T10:16:50Z",
    "title_canon_sha256": "c55ad23ce1cf39a35d69bc4bcf67c0ab52357f577334cafc152bd6cd8eeb52cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07253",
    "kind": "arxiv",
    "version": 1
  }
}