Pith Number

pith:ZTOZV2IC

pith:2019:ZTOZV2IC6NYAWVPBRBI42MESQZ

not attested not anchored not stored refs pending

Differential equation and recurrence relations of the Sheffer-Appell polynomial sequence: A matrix approach

H.M. Srivastava, Mohammad Shadab, Saima Jabee

arxiv:1903.09620 v1 · 2019-03-21 · 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{ZTOZV2IC6NYAWVPBRBI42MESQZ}

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	2026-05-17T23:50:39.168082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccdd9ae902f3700b55e18851cd30928667eea39d09cd95cd8089f634f417d179

Aliases

arxiv: 1903.09620 · arxiv_version: 1903.09620v1 · doi: 10.48550/arxiv.1903.09620 · pith_short_12: ZTOZV2IC6NYA · pith_short_16: ZTOZV2IC6NYAWVPB · pith_short_8: ZTOZV2IC

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/ZTOZV2IC6NYAWVPBRBI42MESQZ \
  | 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: ccdd9ae902f3700b55e18851cd30928667eea39d09cd95cd8089f634f417d179

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56cc1320aad7feffb0b44ebab1c918d2a8fa59b176ebe41a15c1d331a56f36e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2019-03-21T09:30:22Z",
    "title_canon_sha256": "393abb519989e7c1d245d0c02fcd7b0b4603f86077ef2d48aa59976fd62ef6e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09620",
    "kind": "arxiv",
    "version": 1
  }
}