Pith Number

pith:FETICAEY

pith:2015:FETICAEYYEAGGXWZTEBVKIAIEW

not attested not anchored not stored refs pending

A Simple Method for Computing Singular or Nearly Singular Integrals on Closed Surfaces

Jason R. Wilson, J. Thomas Beale, Wenjun Ying

arxiv:1508.00265 v2 · 2015-08-02 · 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{FETICAEYYEAGGXWZTEBVKIAIEW}

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	2026-06-04T17:09:26.587090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2926810098c100635ed99903552008258a3b51c9cdd27157fa10c96e246c6a56

Aliases

arxiv: 1508.00265 · arxiv_version: 1508.00265v2 · doi: 10.48550/arxiv.1508.00265 · pith_short_12: FETICAEYYEAG · pith_short_16: FETICAEYYEAGGXWZ · pith_short_8: FETICAEY

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/FETICAEYYEAGGXWZTEBVKIAIEW \
  | 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: 2926810098c100635ed99903552008258a3b51c9cdd27157fa10c96e246c6a56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99bd91993b70125b4a9a2bc39cc04bf595ff25448d55b5f0fe62bbf7fd9f92ba",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-08-02T17:55:15Z",
    "title_canon_sha256": "d80669649f1a8ad7be5443964603201d5322d500948b20ca98ddb75cdd1caad9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00265",
    "kind": "arxiv",
    "version": 2
  }
}