Pith Number

pith:O7G7CPPX

pith:2019:O7G7CPPX3I5CQ36SV4BKSWXJC3

not attested not anchored not stored refs pending

A stabilizer free weak Galerkin method for the Biharmonic Equation on Polytopal Meshes

Shangyou Zhang, Xiu Ye

arxiv:1907.09413 v1 · 2019-07-19 · 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{O7G7CPPX3I5CQ36SV4BKSWXJC3}

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	2026-05-17T23:39:59.256158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77cdf13df7da3a286fd2af02a95ae916ca568f8fa2b4b11295cbbc322f2f8652

Aliases

arxiv: 1907.09413 · arxiv_version: 1907.09413v1 · doi: 10.48550/arxiv.1907.09413 · pith_short_12: O7G7CPPX3I5C · pith_short_16: O7G7CPPX3I5CQ36S · pith_short_8: O7G7CPPX

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/O7G7CPPX3I5CQ36SV4BKSWXJC3 \
  | 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: 77cdf13df7da3a286fd2af02a95ae916ca568f8fa2b4b11295cbbc322f2f8652

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "667441d3573cb7c0e956bdf587bd7e41877ea9e0d2f182e3d0f41ad171022158",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-19T02:38:02Z",
    "title_canon_sha256": "fe65fe058ad2f5a734a55dd1e082a8bb2b884e0733f0f49bfe9eb1785c1e2a6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09413",
    "kind": "arxiv",
    "version": 1
  }
}