Pith Number

pith:H3HNEZ4F

pith:2015:H3HNEZ4FXQAN5MKTQ7V7O37V2U

not attested not anchored not stored refs pending

A Hybridized Weak Galerkin Finite Element Scheme for the Stokes Equations

Qilong Zhai, Ran Zhang, Xiaoshen Wang

arxiv:1504.07872 v1 · 2015-04-29 · 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{H3HNEZ4FXQAN5MKTQ7V7O37V2U}

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	2026-06-04T17:09:14.831424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eced26785bc00deb15387ebf76ff5d522de975d95f70ca91609e5e5066d0c05

Aliases

arxiv: 1504.07872 · arxiv_version: 1504.07872v1 · doi: 10.48550/arxiv.1504.07872 · pith_short_12: H3HNEZ4FXQAN · pith_short_16: H3HNEZ4FXQAN5MKT · pith_short_8: H3HNEZ4F

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/H3HNEZ4FXQAN5MKTQ7V7O37V2U \
  | 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: 3eced26785bc00deb15387ebf76ff5d522de975d95f70ca91609e5e5066d0c05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5296e80b1c79d47ad92a77d2e78596fc1f41bf540825d99d964d6f4b5a33ffd8",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-04-29T14:32:20Z",
    "title_canon_sha256": "9b9f18fd625442340fbe1bcda64fab905f102b523a2f2a45a69ecc85251f6249"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07872",
    "kind": "arxiv",
    "version": 1
  }
}