Pith Number

pith:WHCSZAWG

pith:2011:WHCSZAWG22YEK7YSWU7SD6ZGQZ

not attested not anchored not stored refs pending

A study of the uniform accuracy of univariate thin plate spline interpolation

Aurelian Bejancu, Simon Hubbert

arxiv:1107.4191 v2 · 2011-07-21 · 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{WHCSZAWG22YEK7YSWU7SD6ZGQZ}

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	2026-05-18T03:55:24.879991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1c52c82c6d6b0457f12b53f21fb268669a6aec03d7ffda857be2ae1ac58d5ba

Aliases

arxiv: 1107.4191 · arxiv_version: 1107.4191v2 · doi: 10.48550/arxiv.1107.4191 · pith_short_12: WHCSZAWG22YE · pith_short_16: WHCSZAWG22YEK7YS · pith_short_8: WHCSZAWG

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/WHCSZAWG22YEK7YSWU7SD6ZGQZ \
  | 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: b1c52c82c6d6b0457f12b53f21fb268669a6aec03d7ffda857be2ae1ac58d5ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e064df863c99ac5c591cd22fde7e030f6a8216280e313fdd344e91e4dde91d3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-07-21T08:00:38Z",
    "title_canon_sha256": "425b88a16ae073d3790dee00e209a5bf16e9277546a6edbb580e2caf9d389a96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4191",
    "kind": "arxiv",
    "version": 2
  }
}