Pith Number

pith:J3VZZHDI

pith:2024:J3VZZHDIPBYOU4GOOQDNLDTPRT

not attested not anchored not stored refs pending

Multi-Level GNN Preconditioner for Solving Large Scale Problems

Guillaume Charpiat (TAU), IFPEN), Jean-Marc Gratien (IFPEN), Marc Schoenauer (TAU), Matthieu Nastorg (TAU, Michele Alessandro Bucci (TAU), Thibault Faney (IFPEN)

arxiv:2402.08296 v1 · 2024-02-13 · cs.LG · 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{J3VZZHDIPBYOU4GOOQDNLDTPRT}

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	2026-07-05T07:44:30.508332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4eeb9c9c687870ea70ce7406d58e6f8cf01267acc9fb914b0c961c53c6b0b2aa

Aliases

arxiv: 2402.08296 · arxiv_version: 2402.08296v1 · doi: 10.48550/arxiv.2402.08296 · pith_short_12: J3VZZHDIPBYO · pith_short_16: J3VZZHDIPBYOU4GO · pith_short_8: J3VZZHDI

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/J3VZZHDIPBYOU4GOOQDNLDTPRT \
  | 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: 4eeb9c9c687870ea70ce7406d58e6f8cf01267acc9fb914b0c961c53c6b0b2aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81d5514ec6b327d1b29bced40d0bfa2dd1bb2e1a8ce787138665926840c0cdc0",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-02-13T08:50:14Z",
    "title_canon_sha256": "d10d0d06c0b221c6dec3cd519e68f8d716d87dcc5d90877f7197b8a1855c0a7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.08296",
    "kind": "arxiv",
    "version": 1
  }
}