Pith Number

pith:ZFWHL2QI

pith:2013:ZFWHL2QIEPYDRRWHP7IE6QHIKI

not attested not anchored not stored refs pending

Numerical evolutions of fields on the 2-sphere using a spectral method based on spin-weighted spherical harmonics

Ben Whale, Boris Daszuta, Florian Beyer, J\"org Frauendiener

arxiv:1308.4729 v2 · 2013-08-21 · physics.comp-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZFWHL2QIEPYDRRWHP7IE6QHIKI}

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	2026-05-18T02:56:19.073152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c96c75ea0823f038c6c77fd04f40e85208d903eefe0f4533331080bab4ccec7e

Aliases

arxiv: 1308.4729 · arxiv_version: 1308.4729v2 · doi: 10.48550/arxiv.1308.4729 · pith_short_12: ZFWHL2QIEPYD · pith_short_16: ZFWHL2QIEPYDRRWH · pith_short_8: ZFWHL2QI

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/ZFWHL2QIEPYDRRWHP7IE6QHIKI \
  | 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: c96c75ea0823f038c6c77fd04f40e85208d903eefe0f4533331080bab4ccec7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fcf24809f3e44ef5fe0f40ef5678eb9a1fcac181dcf60d0bb61190c7d4fd3c9",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2013-08-21T22:27:25Z",
    "title_canon_sha256": "288c3e8ae5665024afa79c81af61dcd2522a97772323ed1274a361562a3535b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4729",
    "kind": "arxiv",
    "version": 2
  }
}