Pith Number

pith:ADKGEEYX

pith:1994:ADKGEEYXCEE3FPDPDQLZY45GXE

not attested not anchored not stored refs pending

Biorthogonal polynomials and zero-mapping transformations

Arieh Iserles, Syvert Paul N{\o}rsett

arxiv:math/9404223 v1 · 1994-04-22 · 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{ADKGEEYXCEE3FPDPDQLZY45GXE}

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	2026-05-18T01:05:51.447209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00d46213171109b2bc6f1c179c73a6b91247e629f850b71352b43c5e3429c77d

Aliases

arxiv: math/9404223 · arxiv_version: math/9404223v1 · doi: 10.48550/arxiv.math/9404223 · pith_short_12: ADKGEEYXCEE3 · pith_short_16: ADKGEEYXCEE3FPDP · pith_short_8: ADKGEEYX

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/ADKGEEYXCEE3FPDPDQLZY45GXE \
  | 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: 00d46213171109b2bc6f1c179c73a6b91247e629f850b71352b43c5e3429c77d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76519940eddd9e7ee61a1488417747534e3bfdf3d5dec445562f3d0e8637fff2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CA",
    "submitted_at": "1994-04-22T00:00:00Z",
    "title_canon_sha256": "b3d622a7116bee9d12860fe1423f6a366189d9c3bc24d89d59d0adcae9286341"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9404223",
    "kind": "arxiv",
    "version": 1
  }
}