Pith Number

pith:EFI33BAY

pith:2013:EFI33BAYC325IML5EBHHMFTCMN

not attested not anchored not stored refs pending

Inverting Nonlinear Dimensionality Reduction with Scale-Free Radial Basis Function Interpolation

Bengt Fornberg, Francois G. Meyer, Nathan D. Monnig

arxiv:1305.0258 v2 · 2013-05-01 · math.NA · cs.NA · physics.data-an · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EFI33BAYC325IML5EBHHMFTCMN}

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	2026-05-18T03:08:04.136476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2151bd841816f5d4317d204e761662636a1f31fe9a66e64cd1379d05ceb4395d

Aliases

arxiv: 1305.0258 · arxiv_version: 1305.0258v2 · doi: 10.48550/arxiv.1305.0258 · pith_short_12: EFI33BAYC325 · pith_short_16: EFI33BAYC325IML5 · pith_short_8: EFI33BAY

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/EFI33BAYC325IML5EBHHMFTCMN \
  | 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: 2151bd841816f5d4317d204e761662636a1f31fe9a66e64cd1379d05ceb4395d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8b08534c110da4998542bf7a60d91ca3d15e728fff7aae91a6e23fb5bc52854",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.data-an",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-05-01T19:55:06Z",
    "title_canon_sha256": "0139b6606742a00fe5ac4e696584ba7bd11980ddbea71f23d4a71db05c3d32ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0258",
    "kind": "arxiv",
    "version": 2
  }
}