Pith Number

pith:2QJO47GV

pith:2008:2QJO47GVITNWVFFSCFC6STBZJF

not attested not anchored not stored refs pending

Quadrature formulas for integrals transforms generated by orthogonal polynomials

E. Coronado, Francisco Dominguez Mota, Rafael G. Campos

arxiv:0805.2111 v1 · 2008-05-14 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QJO47GVITNWVFFSCFC6STBZJF}

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	2026-06-03T22:06:06.138305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d412ee7cd544db6a94b21145e94c39496703f3d811aa31efd05dff72c8c32a26

Aliases

arxiv: 0805.2111 · arxiv_version: 0805.2111v1 · doi: 10.48550/arxiv.0805.2111 · pith_short_12: 2QJO47GVITNW · pith_short_16: 2QJO47GVITNWVFFS · pith_short_8: 2QJO47GV

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/2QJO47GVITNWVFFSCFC6STBZJF \
  | 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: d412ee7cd544db6a94b21145e94c39496703f3d811aa31efd05dff72c8c32a26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "577659297cc179b77870af48a85bb86763bcf2686d9bc70c22a24269d2de317e",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-05-14T16:33:42Z",
    "title_canon_sha256": "32f161fd9833d784ab5f1c3b50f67a54d3070bf9cc2d5671006b03a95ff58e60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.2111",
    "kind": "arxiv",
    "version": 1
  }
}