Pith Number

pith:MUREWUBF

pith:2018:MUREWUBFW4Y42ZLUGJC3BO2W75

not attested not anchored not stored refs pending

Hybrid asymptotic/numerical methods for the evaluation of layer heat potentials in two dimensions

Jun Wang, Leslie Greengard

arxiv:1803.07668 v1 · 2018-03-20 · 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{MUREWUBFW4Y42ZLUGJC3BO2W75}

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	2026-05-18T00:20:29.316760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65224b5025b731cd65743245b0bb56ff635ebe6793f2ce93fb52d03ae382ba9a

Aliases

arxiv: 1803.07668 · arxiv_version: 1803.07668v1 · doi: 10.48550/arxiv.1803.07668 · pith_short_12: MUREWUBFW4Y4 · pith_short_16: MUREWUBFW4Y42ZLU · pith_short_8: MUREWUBF

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/MUREWUBFW4Y42ZLUGJC3BO2W75 \
  | 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: 65224b5025b731cd65743245b0bb56ff635ebe6793f2ce93fb52d03ae382ba9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bed9d6b885a18ceed60c3f4c5dabd78cddbbfa6fe871f8b2c39284bf3d4d2be8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-20T21:46:34Z",
    "title_canon_sha256": "cf0879127d11c77715243e9d3fc4e776c021934c7c81337e7ee2b95dc56d7b9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07668",
    "kind": "arxiv",
    "version": 1
  }
}