Pith Number

pith:Q53UCC4W

pith:2018:Q53UCC4WJASKLC6WINZLNQCN77

not attested not anchored not stored refs pending

A Stable Weak Galerkin Finite Element Method for Stokes Problem

Tao Lin, Tie Zhang

arxiv:1801.09190 v1 · 2018-01-28 · 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{Q53UCC4WJASKLC6WINZLNQCN77}

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	2026-05-18T00:24:58.262372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8777410b964824a58bd64372b6c04dffe31caaf798043e2554d3d3af0467c57f

Aliases

arxiv: 1801.09190 · arxiv_version: 1801.09190v1 · doi: 10.48550/arxiv.1801.09190 · pith_short_12: Q53UCC4WJASK · pith_short_16: Q53UCC4WJASKLC6W · pith_short_8: Q53UCC4W

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/Q53UCC4WJASKLC6WINZLNQCN77 \
  | 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: 8777410b964824a58bd64372b6c04dffe31caaf798043e2554d3d3af0467c57f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01d2bf11d8232b77833d210d5501c875c7e08da0d0ca947c02c742187306b9f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-28T07:04:14Z",
    "title_canon_sha256": "f15f93025dfe32a1da7face2196206ee10a8f13f81f4b3b8a2bc4e66875b141a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09190",
    "kind": "arxiv",
    "version": 1
  }
}