Pith Number

pith:CUJYT3PH

pith:2011:CUJYT3PHLMCBWBHFOGVJNN6A22

not attested not anchored not stored refs pending

DOLFIN: Automated Finite Element Computing

Anders Logg, Garth N. Wells

arxiv:1103.6248 v1 · 2011-03-31 · cs.MS · 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{CUJYT3PHLMCBWBHFOGVJNN6A22}

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	2026-05-18T03:55:47.134749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

151389ede75b041b04e571aa96b7c0d6b65108e9267f251072902118d11bfcb6

Aliases

arxiv: 1103.6248 · arxiv_version: 1103.6248v1 · doi: 10.48550/arxiv.1103.6248 · pith_short_12: CUJYT3PHLMCB · pith_short_16: CUJYT3PHLMCBWBHF · pith_short_8: CUJYT3PH

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/CUJYT3PHLMCBWBHFOGVJNN6A22 \
  | 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: 151389ede75b041b04e571aa96b7c0d6b65108e9267f251072902118d11bfcb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1992d4fef0a279c41435d99cdddaea3d4b50b92e1c47861ef4c708c17480e7f3",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2011-03-31T17:29:27Z",
    "title_canon_sha256": "2f03885c171f9d496b31f2781d42c331b340bec884feb5c4c5e8a6456bb3b066"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.6248",
    "kind": "arxiv",
    "version": 1
  }
}