Pith Number

pith:NKW2AZRD

pith:2012:NKW2AZRDGS3W3NWY6MOKFFOUBH

not attested not anchored not stored refs pending

Multiscale methods with compactly supported radial basis functions for Galerkin approximation of elliptic PDEs

Andrew Chernih, Quoc Thong Le Gia

arxiv:1211.1431 v1 · 2012-11-07 · 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{NKW2AZRDGS3W3NWY6MOKFFOUBH}

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	2026-05-18T03:41:20.978367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aada0662334b76db6d8f31ca295d409e15f000ca5ddabea8205e292ea2e7b39

Aliases

arxiv: 1211.1431 · arxiv_version: 1211.1431v1 · doi: 10.48550/arxiv.1211.1431 · pith_short_12: NKW2AZRDGS3W · pith_short_16: NKW2AZRDGS3W3NWY · pith_short_8: NKW2AZRD

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/NKW2AZRDGS3W3NWY6MOKFFOUBH \
  | 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: 6aada0662334b76db6d8f31ca295d409e15f000ca5ddabea8205e292ea2e7b39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f7d828efcb6cdd15d2bb36114a5847827c1e90cb3d8b0f321f14b8da726bb84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-11-07T00:55:46Z",
    "title_canon_sha256": "5e7ff116bfa0275f9c67e14a2ce1666b0f651f9812939170f0211e7ea99b9d66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1431",
    "kind": "arxiv",
    "version": 1
  }
}