Pith Number

pith:YITJRYFB

pith:2015:YITJRYFBS7ENKVM5FXIQV72OWZ

not attested not anchored not stored refs pending

Shape Preserving Rational Cubic Spline Fractal Interpolation

A. K. B. Chand, P. Viswanathan

arxiv:1503.02458 v2 · 2015-03-09 · math.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{YITJRYFBS7ENKVM5FXIQV72OWZ}

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	2026-05-18T01:07:52.525661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c22698e0a197c8d5559d2dd10aff4eb65a203e16ae95408a75b630489f16d42d

Aliases

arxiv: 1503.02458 · arxiv_version: 1503.02458v2 · doi: 10.48550/arxiv.1503.02458 · pith_short_12: YITJRYFBS7EN · pith_short_16: YITJRYFBS7ENKVM5 · pith_short_8: YITJRYFB

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/YITJRYFBS7ENKVM5FXIQV72OWZ \
  | 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: c22698e0a197c8d5559d2dd10aff4eb65a203e16ae95408a75b630489f16d42d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2007e8980ef5216baacff0324ad2689a506f03d08f1df0035ba41286af46799b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-03-09T12:53:14Z",
    "title_canon_sha256": "6b36dfbdbbca7299acc10534772e380aee647c8408ce11ab43d09a4491e16f22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02458",
    "kind": "arxiv",
    "version": 2
  }
}