Pith Number

pith:WDDNSKDE

pith:2013:WDDNSKDERQGCRIWQKXLSNIK7U6

not attested not anchored not stored refs pending

PetIGA: A Framework for High-Performance Isogeometric Analysis

Adriano M.A. Cortes, Lisandro Dalcin, Nathan Collier, Philippe Vignal, V.M. Calo

arxiv:1305.4452 v3 · 2013-05-20 · cs.MS · 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{WDDNSKDERQGCRIWQKXLSNIK7U6}

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	2026-05-18T01:36:15.850834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0c6d928648c0c28a2d055d726a15fa78691b61407faccecc29819d89958358c

Aliases

arxiv: 1305.4452 · arxiv_version: 1305.4452v3 · doi: 10.48550/arxiv.1305.4452 · pith_short_12: WDDNSKDERQGC · pith_short_16: WDDNSKDERQGCRIWQ · pith_short_8: WDDNSKDE

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/WDDNSKDERQGCRIWQKXLSNIK7U6 \
  | 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: b0c6d928648c0c28a2d055d726a15fa78691b61407faccecc29819d89958358c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7884d4cff0958d5afd9d744a227f9f60f26f8668864b6579a16853d46252ce3",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2013-05-20T07:26:33Z",
    "title_canon_sha256": "c3425ab980587f260b733359b4e895e39f39708b25c682986d106c80f027f2cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4452",
    "kind": "arxiv",
    "version": 3
  }
}