Pith Number

pith:OUYPLSBA

pith:2016:OUYPLSBAWOITXTVD7HIRKNQFY4

not attested not anchored not stored refs pending

Ubiquitous evaluation of layer potentials using Quadrature by Kernel-Independent Expansion

Abtin Rahimian, Alex Barnett, Denis Zorin

arxiv:1612.00977 v1 · 2016-12-03 · 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{OUYPLSBAWOITXTVD7HIRKNQFY4}

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	2026-05-18T00:55:53.673191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7530f5c820b3913bcea3f9d1153605c73d6e276dcdb9e58697d83f053e628a32

Aliases

arxiv: 1612.00977 · arxiv_version: 1612.00977v1 · doi: 10.48550/arxiv.1612.00977 · pith_short_12: OUYPLSBAWOIT · pith_short_16: OUYPLSBAWOITXTVD · pith_short_8: OUYPLSBA

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/OUYPLSBAWOITXTVD7HIRKNQFY4 \
  | 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: 7530f5c820b3913bcea3f9d1153605c73d6e276dcdb9e58697d83f053e628a32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aaf67d2967ae3131bd37388b85476ba0963668bd234b86212469633d550fd15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-12-03T15:52:25Z",
    "title_canon_sha256": "516c15f6ff73a860576f2bcd11de2107f4df8b9d029fa65e34aeb1482e0ce44e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00977",
    "kind": "arxiv",
    "version": 1
  }
}