Pith Number

pith:ECCCLU7Z

pith:2025:ECCCLU7ZCKQP6TWAKVKP4WQX3F

not attested not anchored not stored refs pending

A 3D Machine Learning based Volume Of Fluid scheme without explicit interface reconstruction

Bruno Despr\'es, Moreno Pintore

arxiv:2507.05218 v1 · 2025-07-07 · math.NA · cs.LG · cs.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{ECCCLU7ZCKQP6TWAKVKP4WQX3F}

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	2026-07-05T11:33:10.782152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

208425d3f912a0ff4ec05554fe5a17d97f25990975adffd77a9ff87b7136cd8f

Aliases

arxiv: 2507.05218 · arxiv_version: 2507.05218v1 · doi: 10.48550/arxiv.2507.05218 · pith_short_12: ECCCLU7ZCKQP · pith_short_16: ECCCLU7ZCKQP6TWA · pith_short_8: ECCCLU7Z

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/ECCCLU7ZCKQP6TWAKVKP4WQX3F \
  | 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: 208425d3f912a0ff4ec05554fe5a17d97f25990975adffd77a9ff87b7136cd8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b1bb52a62f4d20b595f4509a01b3bc657b0674269b5fcc6abf3d9dd627307f1",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-07-07T17:30:00Z",
    "title_canon_sha256": "ce16959f10d2084bc4b8b3882fda89c344d9302c02db1830533574b1012e569f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.05218",
    "kind": "arxiv",
    "version": 1
  }
}