Pith Number

pith:WDQJXDEP

pith:2022:WDQJXDEPG33F3QMA2O5CJZAHCI

not attested not anchored not stored refs pending

Exasim: Generating Discontinuous Galerkin Codes for Numerical Solutions of Partial Differential Equations on Graphics Processors

Jaume Peraire, Jordi Vila-P\'erez, Ngoc-Cuong Nguyen, R. Loek Van Heyningen

arxiv:2205.07824 v1 · 2022-05-16 · cs.MS · cs.CE · cs.NA · math.NA · physics.comp-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDQJXDEPG33F3QMA2O5CJZAHCI}

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	2026-07-05T04:23:32.522451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0e09b8c8f36f65dc180d3ba24e407122e81179d19d661e90dc481fcce15d406

Aliases

arxiv: 2205.07824 · arxiv_version: 2205.07824v1 · doi: 10.48550/arxiv.2205.07824 · pith_short_12: WDQJXDEPG33F · pith_short_16: WDQJXDEPG33F3QMA · pith_short_8: WDQJXDEP

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/WDQJXDEPG33F3QMA2O5CJZAHCI \
  | 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: b0e09b8c8f36f65dc180d3ba24e407122e81179d19d661e90dc481fcce15d406

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4806be9cfb3c8a8dd2009bd1316cafb48c2707f0cfbd9b68ce65f5dbdfd5d98d",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA",
      "math.NA",
      "physics.comp-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2022-05-16T17:28:28Z",
    "title_canon_sha256": "5763510ca6a539936ec6028e9294bd678cd0916c7d78e0d811ad12dba1c6cfa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.07824",
    "kind": "arxiv",
    "version": 1
  }
}