Pith Number

pith:UOY3CKL3

pith:2025:UOY3CKL3O56NT7EKW7VTEHGOXQ

not attested not anchored not stored refs pending

Governing Equation Discovery from Data Based on Differential Invariants

Lexiang Hu, Yikang Li, Zhouchen Lin

arxiv:2505.18798 v1 · 2025-05-24 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UOY3CKL3O56NT7EKW7VTEHGOXQ}

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.

Cited by

1 paper in Pith

EqOD: Symmetry-Informed Stability Selection for PDE Identification

Receipt and verification

First computed	2026-07-05T11:09:19.758283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3b1b1297b777cd9fc8ab7eb321ccebc062de77a83cc739f8454281826fe9a93

Aliases

arxiv: 2505.18798 · arxiv_version: 2505.18798v1 · doi: 10.48550/arxiv.2505.18798 · pith_short_12: UOY3CKL3O56N · pith_short_16: UOY3CKL3O56NT7EK · pith_short_8: UOY3CKL3

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/UOY3CKL3O56NT7EKW7VTEHGOXQ \
  | 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: a3b1b1297b777cd9fc8ab7eb321ccebc062de77a83cc739f8454281826fe9a93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3c4177bec83d6d60377f2e552e3c2e0ecc8bbb6cc11f774fb977b2b8f4f7a80",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-24T17:19:02Z",
    "title_canon_sha256": "20155d4fcdb473297b8a6a9de952854293734e5f7624596ff031c0b4a17e9664"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.18798",
    "kind": "arxiv",
    "version": 1
  }
}