Pith Number

pith:NKUKR5YA

pith:2010:NKUKR5YA6H4PTGSC7KDRZULPKZ

not attested not anchored not stored refs pending

A proposed Optimized Spline Interpolation

Ali Ayremlou, Arash Amini, Farrokh Marvasti, Ramtin Madani

arxiv:1012.0397 v2 · 2010-12-02 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKUKR5YA6H4PTGSC7KDRZULPKZ}

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	2026-05-18T02:23:16.886266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aa8a8f700f1f8f99a42fa871cd16f5640dd2f9af437d9e8322701e1619c98be

Aliases

arxiv: 1012.0397 · arxiv_version: 1012.0397v2 · doi: 10.48550/arxiv.1012.0397 · pith_short_12: NKUKR5YA6H4P · pith_short_16: NKUKR5YA6H4PTGSC · pith_short_8: NKUKR5YA

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/NKUKR5YA6H4PTGSC7KDRZULPKZ \
  | 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: 6aa8a8f700f1f8f99a42fa871cd16f5640dd2f9af437d9e8322701e1619c98be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95a53dc9ef6bb5282ac451708376cba4481aaf61cc444a9a092775ec8dc53baa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2010-12-02T13:02:06Z",
    "title_canon_sha256": "26b358f16b92ef18420a6a934ad730ff71de139a36fe68464a4afd545d3a3e16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0397",
    "kind": "arxiv",
    "version": 2
  }
}