Pith Number

pith:HRFEIVIE

pith:2009:HRFEIVIELGMIRPYB3RQTWX43LO

not attested not anchored not stored refs pending

An Operator Approach to the Al-Salam-Carlitz Polynomials

Husam L. Saad, Lisa H. Sun, William Y. C. Chen

arxiv:0910.1746 v1 · 2009-10-09 · math.CA · 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{HRFEIVIELGMIRPYB3RQTWX43LO}

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	2026-05-18T02:11:25.143805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c4a445504599888bf01dc613b5f9b5b80f895ffc92c4f950e09c8fe5980e80b

Aliases

arxiv: 0910.1746 · arxiv_version: 0910.1746v1 · doi: 10.48550/arxiv.0910.1746 · pith_short_12: HRFEIVIELGMI · pith_short_16: HRFEIVIELGMIRPYB · pith_short_8: HRFEIVIE

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/HRFEIVIELGMIRPYB3RQTWX43LO \
  | 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: 3c4a445504599888bf01dc613b5f9b5b80f895ffc92c4f950e09c8fe5980e80b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2097797f6ed26c7f87803d55d46bbcb867f68e01a08899f8819cb9b54bd7a9e7",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2009-10-09T13:50:10Z",
    "title_canon_sha256": "e1e4a4806cf867843fbf9b888e7bde6d785344c3528bb264cd49d48c6af9db10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1746",
    "kind": "arxiv",
    "version": 1
  }
}