Pith Number

pith:ULVII7GN

pith:2014:ULVII7GND4GVD5YFEPLHKWUTMC

not attested not anchored not stored refs pending

Spectrally-accurate quadratures for evaluation of layer potentials close to the boundary for the 2D Stokes and Laplace equations

Alex H. Barnett, Bowei Wu, Shravan K. Veerapaneni

arxiv:1410.2187 v1 · 2014-10-08 · 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{ULVII7GND4GVD5YFEPLHKWUTMC}

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	2026-05-18T02:40:48.019245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2ea847ccd1f0d51f70523d6755a936086fb670131c84104d5faecb74e823a85

Aliases

arxiv: 1410.2187 · arxiv_version: 1410.2187v1 · doi: 10.48550/arxiv.1410.2187 · pith_short_12: ULVII7GND4GV · pith_short_16: ULVII7GND4GVD5YF · pith_short_8: ULVII7GN

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/ULVII7GND4GVD5YFEPLHKWUTMC \
  | 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: a2ea847ccd1f0d51f70523d6755a936086fb670131c84104d5faecb74e823a85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09019b69a5380824f39a3db51805c8dfb7394da93f41ba4e27f2a77e2cbe74f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-10-08T16:16:04Z",
    "title_canon_sha256": "db36cb12d394a0466f698e614dab5738922531cd225b4de88c744b3294fe6c07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2187",
    "kind": "arxiv",
    "version": 1
  }
}