Pith Number

pith:BUIDDU74

pith:2016:BUIDDU74XSMI46PNG22SIUPH3D

not attested not anchored not stored refs pending

A Bivariate Spline Method for Second Order Elliptic Equations in Non-Divergence Form

Chunmei Wang, Ming-Jun Lai

arxiv:1610.05746 v2 · 2016-10-18 · 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{BUIDDU74XSMI46PNG22SIUPH3D}

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	2026-05-18T00:53:24.152841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d1031d3fcbc988e79ed36b52451e7d8e689933d5b0acd92fad7f4f4b49a0a06

Aliases

arxiv: 1610.05746 · arxiv_version: 1610.05746v2 · doi: 10.48550/arxiv.1610.05746 · pith_short_12: BUIDDU74XSMI · pith_short_16: BUIDDU74XSMI46PN · pith_short_8: BUIDDU74

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/BUIDDU74XSMI46PNG22SIUPH3D \
  | 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: 0d1031d3fcbc988e79ed36b52451e7d8e689933d5b0acd92fad7f4f4b49a0a06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d1caa7f8a2c7c8a273f60d0c07757bddd0a5046c07e424c395c08378ee332a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-18T19:20:10Z",
    "title_canon_sha256": "bb21ebe24da111324733e0b31a008a9d78157b184a7b5e02d9218e4d7186233e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05746",
    "kind": "arxiv",
    "version": 2
  }
}