Pith Number

pith:YAGBM5MO

pith:2011:YAGBM5MOZYSDLAXE7DNKKNIJEB

not attested not anchored not stored refs pending

Corrigendum to "On the divisibility of C(n-i-1,i-1) by i" [Int. J. Number Theory 3 (2007) 119]

Richard J. Mathar

arxiv:1109.0922 v1 · 2011-09-05 · math.NT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YAGBM5MOZYSDLAXE7DNKKNIJEB}

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	2026-05-18T04:14:06.365042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c00c16758ece243582e4f8daa535092064c2a4c7944d3e839eeb0fe946575f09

Aliases

arxiv: 1109.0922 · arxiv_version: 1109.0922v1 · doi: 10.48550/arxiv.1109.0922 · pith_short_12: YAGBM5MOZYSD · pith_short_16: YAGBM5MOZYSDLAXE · pith_short_8: YAGBM5MO

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/YAGBM5MOZYSDLAXE7DNKKNIJEB \
  | 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: c00c16758ece243582e4f8daa535092064c2a4c7944d3e839eeb0fe946575f09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20d7e532f1ccf2891abdb1459076739fa0d649471aa43995578ef3cfe025dba3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2011-09-05T15:01:46Z",
    "title_canon_sha256": "5c085139bcaee5b632ed9aadeeacaaf77a16f9ad24ff5749944a0a9587345adb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0922",
    "kind": "arxiv",
    "version": 1
  }
}