Pith Number

pith:QV6B5B6G

pith:2018:QV6B5B6GRMEVRAFXWPI6YLEFCS

not attested not anchored not stored refs pending

Automatic Variationally Stable Analysis for FE Computations: An Introduction

Albert Romkes, Eirik Valseth, Victor M. Calo

arxiv:1808.01888 v3 · 2018-08-06 · 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{QV6B5B6GRMEVRAFXWPI6YLEFCS}

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	2026-05-17T23:48:40.290180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

857c1e87c68b095880b7b3d1ec2c85149aeda1a85647880ac6075b5535dce094

Aliases

arxiv: 1808.01888 · arxiv_version: 1808.01888v3 · doi: 10.48550/arxiv.1808.01888 · pith_short_12: QV6B5B6GRMEV · pith_short_16: QV6B5B6GRMEVRAFX · pith_short_8: QV6B5B6G

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/QV6B5B6GRMEVRAFXWPI6YLEFCS \
  | 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: 857c1e87c68b095880b7b3d1ec2c85149aeda1a85647880ac6075b5535dce094

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bd8e5a762a8ff56aeab6ceb1b87eb34ac6db25014e87771d65b5374395d9ae6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-06T13:33:19Z",
    "title_canon_sha256": "0829b86ba47d4080b0f9f1d57b73ce5a479d5c6ed8bc81a97fa7bed21acff67d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01888",
    "kind": "arxiv",
    "version": 3
  }
}