Pith Number

pith:3SKGKOCY

pith:2025:3SKGKOCYTNG7JCWCVTBGGYJDZE

not attested not anchored not stored refs pending

Automated discovery of finite volume schemes using Graph Neural Networks

Elie Hachem, Jonathan Viquerat, Paul Garnier

arxiv:2508.19052 v1 · 2025-08-26 · cs.LG · 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{3SKGKOCYTNG7JCWCVTBGGYJDZE}

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	2026-07-05T11:59:35.916711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc946538589b4df48ac2acc2636123c92dfc89de146e656820eb68b23a90ad22

Aliases

arxiv: 2508.19052 · arxiv_version: 2508.19052v1 · doi: 10.48550/arxiv.2508.19052 · pith_short_12: 3SKGKOCYTNG7 · pith_short_16: 3SKGKOCYTNG7JCWC · pith_short_8: 3SKGKOCY

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/3SKGKOCYTNG7JCWCVTBGGYJDZE \
  | 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: dc946538589b4df48ac2acc2636123c92dfc89de146e656820eb68b23a90ad22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fead04d4e404b94da7b19fe76396ecaaa3a609ead06872cbbfa20c73392294d4",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-08-26T14:08:46Z",
    "title_canon_sha256": "bed3038b1b21992f0d99ee1d4001252f24d372e61d339ac26159de78bb72e73a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.19052",
    "kind": "arxiv",
    "version": 1
  }
}