Pith Number

pith:2T7XGBT5

pith:2012:2T7XGBT5X6SIJ24NTS32N22EQD

not attested not anchored not stored refs pending

A SVD accelerated kernel-independent fast multipole method and its application to BEM

Junjie Rong, Lihua Wen, Yanchuang Cao

arxiv:1211.2517 v2 · 2012-11-12 · cs.NA · 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{2T7XGBT5X6SIJ24NTS32N22EQD}

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	2026-05-18T02:21:52.057039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4ff73067dbfa484eb8d9cb7a6eb4480d897978d141b8768f714b7e4d63b8f4f

Aliases

arxiv: 1211.2517 · arxiv_version: 1211.2517v2 · doi: 10.48550/arxiv.1211.2517 · pith_short_12: 2T7XGBT5X6SI · pith_short_16: 2T7XGBT5X6SIJ24N · pith_short_8: 2T7XGBT5

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/2T7XGBT5X6SIJ24NTS32N22EQD \
  | 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: d4ff73067dbfa484eb8d9cb7a6eb4480d897978d141b8768f714b7e4d63b8f4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3adbfc1dc002c2a43147268ae707e0a1e60c8bbdc489c108c3cd178ca47a2e51",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2012-11-12T06:27:22Z",
    "title_canon_sha256": "c0f8abe305a96115f3ed99538d255f6ff5496eed34c56723fd2e9fdf11e42baa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2517",
    "kind": "arxiv",
    "version": 2
  }
}