Pith Number

pith:3WN6ANGX

pith:2018:3WN6ANGXB3NPH3UP74HJQJM6QM

not attested not anchored not stored refs pending

A Reduced Basis approach for PDEs on parametrized geometries based on the Shifted Boundary Finite Element Method and application to a Stokes Flow

Efthymios N. Karatzas, Gianluigi Rozza, Giovanni Stabile, Guglielmo Scovazzi, Leo Nouveau

arxiv:1807.07790 v4 · 2018-07-20 · 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{3WN6ANGXB3NPH3UP74HJQJM6QM}

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	2026-05-17T23:56:38.551860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd9be034d70edaf3ee8fff0e98259e832ec36b3c0b33275ffc12faf7f2253dde

Aliases

arxiv: 1807.07790 · arxiv_version: 1807.07790v4 · doi: 10.48550/arxiv.1807.07790 · pith_short_12: 3WN6ANGXB3NP · pith_short_16: 3WN6ANGXB3NPH3UP · pith_short_8: 3WN6ANGX

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/3WN6ANGXB3NPH3UP74HJQJM6QM \
  | 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: dd9be034d70edaf3ee8fff0e98259e832ec36b3c0b33275ffc12faf7f2253dde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a82ffb7b4bfde15b91be94213dc5659576683b9defc95f8e09676ec56aadeb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-20T11:26:09Z",
    "title_canon_sha256": "34178136ff2d4ee9b669006ba221834366613f3453a7817c1b4d259aae4cdd41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07790",
    "kind": "arxiv",
    "version": 4
  }
}