Pith Number

pith:244XVQH7

pith:2022:244XVQH7XM4JX2RTXQCCPM4WME

not attested not anchored not stored refs pending

Coercive second-kind boundary integral equations for the Laplace Dirichlet problem on Lipschitz domains

Euan A. Spence, Simon N. Chandler-Wilde

arxiv:2210.02432 v3 · 2022-10-05 · math.NA · cs.NA · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{244XVQH7XM4JX2RTXQCCPM4WME}

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	2026-07-05T08:23:07.280092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7397ac0ffbb389bea33bc0427b396613ce258591a4deb615fbb48392e5cff78

Aliases

arxiv: 2210.02432 · arxiv_version: 2210.02432v3 · doi: 10.48550/arxiv.2210.02432 · pith_short_12: 244XVQH7XM4J · pith_short_16: 244XVQH7XM4JX2RT · pith_short_8: 244XVQH7

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/244XVQH7XM4JX2RTXQCCPM4WME \
  | 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: d7397ac0ffbb389bea33bc0427b396613ce258591a4deb615fbb48392e5cff78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16e312cfcf25308ce4a940ee3b55b9ba0cdb29e2c92c95ecf96fcb38356a5857",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-10-05T17:51:57Z",
    "title_canon_sha256": "c5f63a3a5642273407acb14adfb7d435fb97ead8e5debdb3b5a0edc6215cb1b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.02432",
    "kind": "arxiv",
    "version": 3
  }
}