Pith Number

pith:UHTMGKPR

pith:2024:UHTMGKPRXKMW6BTTHBA5NCKH4U

not attested not anchored not stored refs pending

Closure Discovery for Coarse-Grained Partial Differential Equations Using Grid-based Reinforcement Learning

Jan-Philipp von Bassewitz, Petros Koumoutsakos, Sebastian Kaltenbach

arxiv:2402.00972 v3 · 2024-02-01 · cs.LG · cs.MA · 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{UHTMGKPRXKMW6BTTHBA5NCKH4U}

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	2026-06-11T01:10:23.960592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1e6c329f1ba996f06733841d68947e5175b0db0ef0d8572a57fd952cbaf5d1f

Aliases

arxiv: 2402.00972 · arxiv_version: 2402.00972v3 · doi: 10.48550/arxiv.2402.00972 · pith_short_12: UHTMGKPRXKMW · pith_short_16: UHTMGKPRXKMW6BTT · pith_short_8: UHTMGKPR

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/UHTMGKPRXKMW6BTTHBA5NCKH4U \
  | 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: a1e6c329f1ba996f06733841d68947e5175b0db0ef0d8572a57fd952cbaf5d1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d42bbbeeced757e2d639c7ad9b9af0ea8517523a1a6fab5591c6d005b971801",
    "cross_cats_sorted": [
      "cs.MA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-02-01T19:41:04Z",
    "title_canon_sha256": "54bf8b54810765d53254cc551a50cc56bd9478cb35ca743a88fd7ac0efe29ec4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.00972",
    "kind": "arxiv",
    "version": 3
  }
}