Pith Number

pith:2L2RJHEE

pith:2023:2L2RJHEEFXWEHYJVMQALIRFXWD

not attested not anchored not stored refs pending

A physics-informed neural network framework for modeling obstacle-related equations

Bubacarr Bah, Hamid El Bahja, Issa Karambal, Jan Christian Hauffen, Peter Jung

arxiv:2304.03552 v2 · 2023-04-07 · cs.LG · cs.IT · cs.NA · math.AP · math.IT · 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{2L2RJHEEFXWEHYJVMQALIRFXWD}

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	2026-07-05T09:22:58.868880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2f5149c842dec43e1356400b444b7b0e1b8e9b9f18eabf3040ed36a87a7b07d

Aliases

arxiv: 2304.03552 · arxiv_version: 2304.03552v2 · doi: 10.48550/arxiv.2304.03552 · pith_short_12: 2L2RJHEEFXWE · pith_short_16: 2L2RJHEEFXWEHYJV · pith_short_8: 2L2RJHEE

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/2L2RJHEEFXWEHYJVMQALIRFXWD \
  | 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: d2f5149c842dec43e1356400b444b7b0e1b8e9b9f18eabf3040ed36a87a7b07d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9a24047939a417d386d2a2de23bb6ee818dbd26296803f2896435c764df85bf",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.NA",
      "math.AP",
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-04-07T09:22:28Z",
    "title_canon_sha256": "c5f5e0f344723d6e389da6e0744f68558985030b12a021ed8435da64f445246a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.03552",
    "kind": "arxiv",
    "version": 2
  }
}