Pith Number

pith:7DZ4CFRE

pith:2005:7DZ4CFREDIACEQSZFQPMV3GGE3

not attested not anchored not stored refs pending

Global optimization in inverse problems: A comparison of Kriging and radial basis functions

B. Truyen, I. Lemahieu, J. Cornelis, P. de Groen, W. Jacquet

arxiv:math/0506440 v1 · 2005-06-22 · math.NA · cs.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{7DZ4CFREDIACEQSZFQPMV3GGE3}

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	2026-06-03T22:06:17.188083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8f3c116241a002242592c1ecaecc626d3806ffa77d82f50e7bb7657c1c05d39

Aliases

arxiv: math/0506440 · arxiv_version: math/0506440v1 · doi: 10.48550/arxiv.math/0506440 · pith_short_12: 7DZ4CFREDIAC · pith_short_16: 7DZ4CFREDIACEQSZ · pith_short_8: 7DZ4CFRE

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/7DZ4CFREDIACEQSZFQPMV3GGE3 \
  | 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: f8f3c116241a002242592c1ecaecc626d3806ffa77d82f50e7bb7657c1c05d39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "564133e6bcb4120568f24726642a6ee5d25576b411c2905259b11cdcc2dfa116",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2005-06-22T09:11:10Z",
    "title_canon_sha256": "5d7737a049710d6935d9c78953f874df528ec05fd12c74dfcbba6ae07566635f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0506440",
    "kind": "arxiv",
    "version": 1
  }
}