Pith Number

pith:FWJ4B6BE

pith:2018:FWJ4B6BEGWGJ5IAPB5OGOCQIH3

not attested not anchored not stored refs pending

Asymptotic approximations for the close evaluation of double-layer potentials

Arnold D. Kim, Camille Carvalho, Shilpa Khatri

arxiv:1810.02483 v1 · 2018-10-05 · 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{FWJ4B6BEGWGJ5IAPB5OGOCQIH3}

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	2026-05-18T00:04:01.729491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d93c0f824358c9ea00f0f5c670a083edff106daa0e523e591171e79137ae075

Aliases

arxiv: 1810.02483 · arxiv_version: 1810.02483v1 · doi: 10.48550/arxiv.1810.02483 · pith_short_12: FWJ4B6BEGWGJ · pith_short_16: FWJ4B6BEGWGJ5IAP · pith_short_8: FWJ4B6BE

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/FWJ4B6BEGWGJ5IAPB5OGOCQIH3 \
  | 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: 2d93c0f824358c9ea00f0f5c670a083edff106daa0e523e591171e79137ae075

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c762a60b004d332ef83cf6ef26d92d0f414661bd659924da6c6ed9308c976925",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-05T01:27:18Z",
    "title_canon_sha256": "85ca4a036cb675d6d2293f1f2ee78e422c7c0a747dd8b2fe243cbfe11142dd3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02483",
    "kind": "arxiv",
    "version": 1
  }
}