Pith Number

pith:AM4DQGAE

pith:2010:AM4DQGAE7K7UVEURY44MLDD52H

not attested not anchored not stored refs pending

Cardinal Interpolation with Gaussian Kernels

F.J. Narcowich, J.D. Ward, Thomas Hangelbroek, Wolodymyr Madych

arxiv:1008.3168 v1 · 2010-08-18 · 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{AM4DQGAE7K7UVEURY44MLDD52H}

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	2026-05-18T03:51:58.848922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0338381804fabf4a9291c738c58c7dd1c8db39985aa64261182cf5d3284c1450

Aliases

arxiv: 1008.3168 · arxiv_version: 1008.3168v1 · doi: 10.48550/arxiv.1008.3168 · pith_short_12: AM4DQGAE7K7U · pith_short_16: AM4DQGAE7K7UVEUR · pith_short_8: AM4DQGAE

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/AM4DQGAE7K7UVEURY44MLDD52H \
  | 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: 0338381804fabf4a9291c738c58c7dd1c8db39985aa64261182cf5d3284c1450

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72f3174b583894a4b947d303f4b41534e1d4de2bd09130913edb94974d972aa3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2010-08-18T20:07:49Z",
    "title_canon_sha256": "a3e536f3dcee49b1243eeb05dcb5ed229a4fe5f59e7c0518138d3c521832d671"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3168",
    "kind": "arxiv",
    "version": 1
  }
}