Pith Number

pith:QB56D2OG

pith:2018:QB56D2OGEMXMDEBAVXZNIZILD3

not attested not anchored not stored refs pending

A finite element method by patch reconstruction for the Stokes problem using mixed formulations

Fanyi Yang, Ruo Li, Zhijian Yang, Zhiyuan Sun

arxiv:1806.09399 v3 · 2018-06-25 · math.NA · cs.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{QB56D2OGEMXMDEBAVXZNIZILD3}

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	2026-06-04T19:12:00.636328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

807be1e9c6232ec19020adf2d4650b1ed399f216e1b232f6e85a1aa73a128201

Aliases

arxiv: 1806.09399 · arxiv_version: 1806.09399v3 · doi: 10.48550/arxiv.1806.09399 · pith_short_12: QB56D2OGEMXM · pith_short_16: QB56D2OGEMXMDEBA · pith_short_8: QB56D2OG

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/QB56D2OGEMXMDEBAVXZNIZILD3 \
  | 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: 807be1e9c6232ec19020adf2d4650b1ed399f216e1b232f6e85a1aa73a128201

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8835537a7285bf7938f9e62df699a6c5da1d2996a3d16d44e4bc56cd0de2a5c",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-06-25T11:58:52Z",
    "title_canon_sha256": "05d95b439694e422538c3d919a0a0ecd35443d1f86b11566e2ead44ba002a5bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09399",
    "kind": "arxiv",
    "version": 3
  }
}