Pith Number

pith:CQWWC3NN

pith:2009:CQWWC3NNBKMAVY6BNLIJXDHYVV

not attested not anchored not stored refs pending

Bochner-Pearson-type characterization of the free Meixner class

Michael Anshelevich

arxiv:0909.1097 v1 · 2009-09-06 · math.CO · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQWWC3NNBKMAVY6BNLIJXDHYVV}

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	2026-05-18T04:20:13.329420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

142d616dad0a980ae3c16ad09b8cf8ad7a1e1b1d96808636ee7216fc1372b7e8

Aliases

arxiv: 0909.1097 · arxiv_version: 0909.1097v1 · doi: 10.48550/arxiv.0909.1097 · pith_short_12: CQWWC3NNBKMA · pith_short_16: CQWWC3NNBKMAVY6B · pith_short_8: CQWWC3NN

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/CQWWC3NNBKMAVY6BNLIJXDHYVV \
  | 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: 142d616dad0a980ae3c16ad09b8cf8ad7a1e1b1d96808636ee7216fc1372b7e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d1993200c317300a4a5d47a83de2801ac5acebe0c4620644879ad28829c568f",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-09-06T17:45:45Z",
    "title_canon_sha256": "1c698dc54e93fd1f0c174b82542546af2a648c9c029da46556cc2248b0bf78b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1097",
    "kind": "arxiv",
    "version": 1
  }
}