Pith Number

pith:OPDRL3GR

pith:2013:OPDRL3GREZLGYLVBP6FPTKZDCV

not attested not anchored not stored refs pending

A stabilized cut finite element method for partial differential equations on surfaces: The Laplace-Beltrami operator

Erik Burman, Mats G. Larson, Peter Hansbo

arxiv:1312.1097 v2 · 2013-12-04 · 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{OPDRL3GREZLGYLVBP6FPTKZDCV}

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	2026-05-18T02:44:56.798594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c715ecd126566c2ea17f8af9ab23155a2034ce8720f5cd9d76d3f50a53d2b1

Aliases

arxiv: 1312.1097 · arxiv_version: 1312.1097v2 · doi: 10.48550/arxiv.1312.1097 · pith_short_12: OPDRL3GREZLG · pith_short_16: OPDRL3GREZLGYLVB · pith_short_8: OPDRL3GR

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/OPDRL3GREZLGYLVBP6FPTKZDCV \
  | 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: 73c715ecd126566c2ea17f8af9ab23155a2034ce8720f5cd9d76d3f50a53d2b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5282f5d1b8262ad0009745387b0c3f98c3790e66bcd001e6a643e6443599a3b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-12-04T10:24:11Z",
    "title_canon_sha256": "9dde04e8234a2e650a6c27bc54f775b92bf4a4d71b73fec7afdf4889de1c1fa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1097",
    "kind": "arxiv",
    "version": 2
  }
}