Pith Number

pith:GU5UGJZJ

pith:2013:GU5UGJZJW4HYXRKD3DYMKRCYBG

not attested not anchored not stored refs pending

An explicit kernel-split panel-based Nystr\"om scheme for integral equations on axially symmetric surfaces

Anders Karlsson, Johan Helsing

arxiv:1310.4715 v4 · 2013-10-17 · math.NA · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GU5UGJZJW4HYXRKD3DYMKRCYBG}

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	2026-05-18T01:02:46.127310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

353b432729b70f8bc543d8f0c54458098b23e70baeb85973e32266cedc870ee0

Aliases

arxiv: 1310.4715 · arxiv_version: 1310.4715v4 · doi: 10.48550/arxiv.1310.4715 · pith_short_12: GU5UGJZJW4HY · pith_short_16: GU5UGJZJW4HYXRKD · pith_short_8: GU5UGJZJ

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/GU5UGJZJW4HYXRKD3DYMKRCYBG \
  | 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: 353b432729b70f8bc543d8f0c54458098b23e70baeb85973e32266cedc870ee0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deb6e0c49d71f5454f84ff1610617b567dc4b2b745cf30671ef3a2ba8751a338",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-10-17T14:29:34Z",
    "title_canon_sha256": "cb09d0cd3e9ef2fe647613052e9c0418f77fe911dbebae98a283d919a97abf47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4715",
    "kind": "arxiv",
    "version": 4
  }
}