Pith Number

pith:2NU3DULF

pith:2011:2NU3DULFPA4H42YE3W2GF2UQTO

not attested not anchored not stored refs pending

Convergence Analysis of Meshfree Approximation Schemes

Agustin Bompadre, Bernd Schmidt, Michael Ortiz

arxiv:1107.6038 v1 · 2011-07-29 · 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{2NU3DULFPA4H42YE3W2GF2UQTO}

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	2026-05-18T04:16:40.008552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d369b1d16578387e6b04ddb462ea909b9c6ea84b3a2374dd465b56cc163f3e0f

Aliases

arxiv: 1107.6038 · arxiv_version: 1107.6038v1 · doi: 10.48550/arxiv.1107.6038 · pith_short_12: 2NU3DULFPA4H · pith_short_16: 2NU3DULFPA4H42YE · pith_short_8: 2NU3DULF

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/2NU3DULFPA4H42YE3W2GF2UQTO \
  | 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: d369b1d16578387e6b04ddb462ea909b9c6ea84b3a2374dd465b56cc163f3e0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18c241a51f35148cc0390a64fed7c92ff99e082a1c5d405c20587204e9cc0867",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-07-29T18:43:24Z",
    "title_canon_sha256": "9b6083d197784758fa4a41010d11c71b8c4d0a98780cff33377cc0001a0d3039"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.6038",
    "kind": "arxiv",
    "version": 1
  }
}