Pith Number

pith:UQPYJ3XX

pith:2018:UQPYJ3XXOVA3IBJDD3ZX7NOAFE

not attested not anchored not stored refs pending

A cut finite element method with boundary value correction for the incompressible Stokes' equations

Erik Burman, Mats G. Larson, Peter Hansbo

arxiv:1801.07463 v1 · 2018-01-23 · 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{UQPYJ3XXOVA3IBJDD3ZX7NOAFE}

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	2026-05-18T00:25:12.779767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a41f84eef77541b405231ef37fb5c0291bb59157889341767c71685624bd1364

Aliases

arxiv: 1801.07463 · arxiv_version: 1801.07463v1 · doi: 10.48550/arxiv.1801.07463 · pith_short_12: UQPYJ3XXOVA3 · pith_short_16: UQPYJ3XXOVA3IBJD · pith_short_8: UQPYJ3XX

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/UQPYJ3XXOVA3IBJDD3ZX7NOAFE \
  | 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: a41f84eef77541b405231ef37fb5c0291bb59157889341767c71685624bd1364

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77e5a3b738ef3d8798f5e57379061aced59ff2b8450c17f7ffb13ec54321a00b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-23T10:03:40Z",
    "title_canon_sha256": "3134cc7e6d5721cb2ebccb42fd8bb7ef9d87e50332d31cfdda9f4f24cd4836fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07463",
    "kind": "arxiv",
    "version": 1
  }
}