Pith Number

pith:HRSFNJEQ

pith:2023:HRSFNJEQQF4SEWT3D3NEJRA4IL

not attested not anchored not stored refs pending

Train Small, Model Big: Scalable Physics Simulators via Reduced Order Modeling and Domain Decomposition

Christopher Hahn, Du Y. Nguyen, Eric B. Duoss, Pratanu Roy, Sarah E. Baker, Seung Whan Chung, Thomas Moore, Thomas Roy, Tiras Y. Lin, Youngsoo Choi

arxiv:2401.10245 v1 · 2023-12-06 · cs.CE · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRSFNJEQQF4SEWT3D3NEJRA4IL}

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	2026-07-05T07:35:08.872524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c6456a4908179225a7b1eda44c41c42c02452628900d63cc0a42614543bc2e0

Aliases

arxiv: 2401.10245 · arxiv_version: 2401.10245v1 · doi: 10.48550/arxiv.2401.10245 · pith_short_12: HRSFNJEQQF4S · pith_short_16: HRSFNJEQQF4SEWT3 · pith_short_8: HRSFNJEQ

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/HRSFNJEQQF4SEWT3D3NEJRA4IL \
  | 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: 3c6456a4908179225a7b1eda44c41c42c02452628900d63cc0a42614543bc2e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af2b994265b99a9fa640ded2124450bf7417adc407b2b5ab9984c05153dfcf1b",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2023-12-06T02:34:11Z",
    "title_canon_sha256": "857def8a0bf5df0b178f4e91cc9ccadb25e1303d23cc629e8f978045cf861974"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.10245",
    "kind": "arxiv",
    "version": 1
  }
}