Pith Number

pith:WK3NIYQX

pith:2018:WK3NIYQXGFNCF6KRWKCGQ66FJQ

not attested not anchored not stored refs pending

A penalty finite element method for a fluid system posed on embedded surface

Maxim A. Olshanskii, Vladimir Yushutin

arxiv:1806.06557 v1 · 2018-06-18 · math.NA · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WK3NIYQXGFNCF6KRWKCGQ66FJQ}

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	2026-05-17T23:50:13.372109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2b6d46217315a22f951b284687bc54c31841ad1a9283609156d4f080ef2102a

Aliases

arxiv: 1806.06557 · arxiv_version: 1806.06557v1 · doi: 10.48550/arxiv.1806.06557 · pith_short_12: WK3NIYQXGFNC · pith_short_16: WK3NIYQXGFNCF6KR · pith_short_8: WK3NIYQX

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/WK3NIYQXGFNCF6KRWKCGQ66FJQ \
  | 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: b2b6d46217315a22f951b284687bc54c31841ad1a9283609156d4f080ef2102a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ec2d800db09655e698ee5aeb11a14d8a64a6798215a8ac2ae6e4b9be92ede1f",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-06-18T09:08:06Z",
    "title_canon_sha256": "eac7d2bde86b4f190fddef316c7ceb70650277a77d2540f353b5cd06ed2d92e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06557",
    "kind": "arxiv",
    "version": 1
  }
}