Pith Number

pith:PG6IFXGH

pith:2026:PG6IFXGHHMODILLSPXW275U7OD

not attested not anchored not stored refs pending

Periodicities in the Riordan arrays of polynomials over finite fields

Derek E. Bellamy, Eva N. Pflomm, Nikolai A. Krylov

arxiv:2607.13442 v1 · 2026-07-15 · 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{PG6IFXGHHMODILLSPXW275U7OD}

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	2026-07-16T01:22:12.943531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79bc82dcc73b1c342d727dedaff69f70f7ae19ae8b7e193c8fe78ff359b8fa57

Aliases

arxiv: 2607.13442 · arxiv_version: 2607.13442v1 · doi: 10.48550/arxiv.2607.13442 · pith_short_12: PG6IFXGHHMOD · pith_short_16: PG6IFXGHHMODILLS · pith_short_8: PG6IFXGH

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/PG6IFXGHHMODILLSPXW275U7OD \
  | 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: 79bc82dcc73b1c342d727dedaff69f70f7ae19ae8b7e193c8fe78ff359b8fa57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb45a732831a90fe11d885621a5e1694191587534f1322a392942fb8acc32c02",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-07-15T04:58:49Z",
    "title_canon_sha256": "acee504e8485c76944d72bebcbdc5e5cd715f91dd129d221104b2073d13c8595"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.13442",
    "kind": "arxiv",
    "version": 1
  }
}