Pith Number

pith:UM7FYLNX

pith:2012:UM7FYLNXDC6V7IYBITID3E7IVW

not attested not anchored not stored refs pending

A basic class of symmetric orthogonal polynomials of a discrete variable

Iv\'an Area, Mohammad Masjed-Jamei

arxiv:1210.2842 v1 · 2012-10-10 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UM7FYLNXDC6V7IYBITID3E7IVW}

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	2026-05-18T03:43:28.272408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a33e5c2db718bd5fa30144d03d93e8ad8c10a5db743cc1f4155ca572d25d9df3

Aliases

arxiv: 1210.2842 · arxiv_version: 1210.2842v1 · doi: 10.48550/arxiv.1210.2842 · pith_short_12: UM7FYLNXDC6V · pith_short_16: UM7FYLNXDC6V7IYB · pith_short_8: UM7FYLNX

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/UM7FYLNXDC6V7IYBITID3E7IVW \
  | 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: a33e5c2db718bd5fa30144d03d93e8ad8c10a5db743cc1f4155ca572d25d9df3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9d2c71080c9056a981f06525670433052323c586464e1e168a29440d45f5a5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2012-10-10T09:18:29Z",
    "title_canon_sha256": "a6bf361a988a6dfe00b1058585cabbeaa15337bfe39e9f0f66f1865d6615a920"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2842",
    "kind": "arxiv",
    "version": 1
  }
}