Pith Number

pith:DPOTP74N

pith:2017:DPOTP74N3VY5LA4GLUKOLVLT33

not attested not anchored not stored refs pending

A Fractional Gauss-Jacobi quadrature rule for approximating fractional integrals and derivatives

Alireza Vahidi, Delfim F. M. Torres, Esmail Babolian, Salman Jahanshahi

arxiv:1704.05690 v1 · 2017-04-19 · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPOTP74N3VY5LA4GLUKOLVLT33}

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	2026-05-18T00:40:04.055844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bdd37ff8ddd71d583865d14e5d573def75a34333ad29589aacf3718ae1188a5

Aliases

arxiv: 1704.05690 · arxiv_version: 1704.05690v1 · doi: 10.48550/arxiv.1704.05690 · pith_short_12: DPOTP74N3VY5 · pith_short_16: DPOTP74N3VY5LA4G · pith_short_8: DPOTP74N

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/DPOTP74N3VY5LA4GLUKOLVLT33 \
  | 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: 1bdd37ff8ddd71d583865d14e5d573def75a34333ad29589aacf3718ae1188a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5af36ce5c2f19c842a34058fa37f943e81ba687f426668ec9fb74c2e53f1fc4",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-19T11:06:56Z",
    "title_canon_sha256": "3616113159c301eff31fd3a8ea0e751cf6a344bf1977f204854af64e8dc5f880"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05690",
    "kind": "arxiv",
    "version": 1
  }
}