Pith Number

pith:7YY72MAS

pith:2013:7YY72MASDHY4H74GQMHGWIFIHP

not attested not anchored not stored refs pending

Non-uniform FFT for the finite element computation of the micromagnetic scalar potential

Lukas Exl, Thomas Schrefl

arxiv:1305.3162 v2 · 2013-05-14 · physics.comp-ph · 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{7YY72MASDHY4H74GQMHGWIFIHP}

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	2026-05-18T02:53:27.049571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe31fd301219f1c3ff86830e6b20a83be69fd0016f1512ade63410bed9b6f999

Aliases

arxiv: 1305.3162 · arxiv_version: 1305.3162v2 · doi: 10.48550/arxiv.1305.3162 · pith_short_12: 7YY72MASDHY4 · pith_short_16: 7YY72MASDHY4H74G · pith_short_8: 7YY72MAS

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/7YY72MASDHY4H74GQMHGWIFIHP \
  | 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: fe31fd301219f1c3ff86830e6b20a83be69fd0016f1512ade63410bed9b6f999

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d2ab55895487f7306df3612b6bb69176f8bd70634d952a29f820db02950d003",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2013-05-14T14:17:13Z",
    "title_canon_sha256": "32e9822935283a3baa57542aa6f3840e6ef2efebccd3d6e829dc4e47292503d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3162",
    "kind": "arxiv",
    "version": 2
  }
}