Pith Number

pith:NEU34KTA

pith:2016:NEU34KTA676IG6GSJRMXSOMDNT

not attested not anchored not stored refs pending

Estimation of quadrature errors in layer potential evaluation using quadrature by expansion

Anna-Karin Tornberg, Ludvig af Klinteberg

arxiv:1603.08366 v2 · 2016-03-28 · 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{NEU34KTA676IG6GSJRMXSOMDNT}

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	2026-05-18T00:25:44.522792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6929be2a60f7fc8378d24c597939836cd4056cc2e6b74045728eb0e9e93a4cf7

Aliases

arxiv: 1603.08366 · arxiv_version: 1603.08366v2 · doi: 10.48550/arxiv.1603.08366 · pith_short_12: NEU34KTA676I · pith_short_16: NEU34KTA676IG6GS · pith_short_8: NEU34KTA

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/NEU34KTA676IG6GSJRMXSOMDNT \
  | 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: 6929be2a60f7fc8378d24c597939836cd4056cc2e6b74045728eb0e9e93a4cf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aca6d14adf0dc821c4026dba00ff13f512aa95a19f4ef1261930be7e7a763ae1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-03-28T11:59:15Z",
    "title_canon_sha256": "be15a10c2084a2415ca77bd2eed8cf9b005febfd797d9e2441c79120efce3432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.08366",
    "kind": "arxiv",
    "version": 2
  }
}