Pith Number

pith:S3BR22LL

pith:2012:S3BR22LLY2DFDU5P2VAMPG2TSW

not attested not anchored not stored refs pending

Adaptive finite elements with anisotropic meshes

Jens Lang, Lennard Kamenski, Weizhang Huang

arxiv:1201.4090 v2 · 2012-01-19 · 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{S3BR22LLY2DFDU5P2VAMPG2TSW}

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	2026-05-18T02:34:45.253967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96c31d696bc68651d3afd540c79b5395bf868acd9b752aa29c7d814aac93e3dd

Aliases

arxiv: 1201.4090 · arxiv_version: 1201.4090v2 · doi: 10.48550/arxiv.1201.4090 · pith_short_12: S3BR22LLY2DF · pith_short_16: S3BR22LLY2DFDU5P · pith_short_8: S3BR22LL

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/S3BR22LLY2DFDU5P2VAMPG2TSW \
  | 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: 96c31d696bc68651d3afd540c79b5395bf868acd9b752aa29c7d814aac93e3dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e22d0878e2ff23be4cdee2ae075f5db9de1e5f033bb687c2f1a01955ac92eae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-01-19T15:55:26Z",
    "title_canon_sha256": "bcfa5ceb374b11c5b170969a71ffe6f5b4ad5209d34ed14ea1d37c05e3491d39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4090",
    "kind": "arxiv",
    "version": 2
  }
}