Pith Number

pith:5CKN7WAC

pith:2022:5CKN7WACWJ6EMD544NVFAILBCX

not attested not anchored not stored refs pending

A Non-intrusive Approach for Physics-constrained Learning with Application to Fuel Cell Modeling

Jason B. Siegel, Karthik Duraisamy, Peyman Mohtat, Valentin Sulzer, Vishal Srivastava

arxiv:2207.10819 v1 · 2022-06-30 · cs.CE · physics.data-an

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5CKN7WACWJ6EMD544NVFAILBCX}

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	2026-07-05T04:42:39.905373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e894dfd802b27c460fbce36a50216115f32fb772614f07efc888bb4089fc5e54

Aliases

arxiv: 2207.10819 · arxiv_version: 2207.10819v1 · doi: 10.48550/arxiv.2207.10819 · pith_short_12: 5CKN7WACWJ6E · pith_short_16: 5CKN7WACWJ6EMD54 · pith_short_8: 5CKN7WAC

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/5CKN7WACWJ6EMD544NVFAILBCX \
  | 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: e894dfd802b27c460fbce36a50216115f32fb772614f07efc888bb4089fc5e54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee8bcabb4638d2ef99b882a84ac5a8465ff52a9f652758e9f81f2eb25a8c1060",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2022-06-30T14:35:14Z",
    "title_canon_sha256": "09cd9de3ded7a39646ecfc785b24e73ad4422db35be026f1a949254a7a9cdda8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.10819",
    "kind": "arxiv",
    "version": 1
  }
}