Pith Number

pith:GUGODSUO

pith:2019:GUGODSUOUZRPQYF2TVEJ4CM2SM

not attested not anchored not stored refs pending

Data-driven discovery of free-form governing differential equations

Genghis Khan, Liping Wang, Philippe Hawi, Roger Ghanem, Steven Atkinson, Waad Subber

arxiv:1910.05117 v2 · 2019-09-27 · cs.CE · cs.LG · physics.comp-ph · 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{GUGODSUOUZRPQYF2TVEJ4CM2SM}

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

3 papers in Pith

OrthoReg: Orthogonal Regularization for Hybrid Symbolic-Neural Dynamical Systems

Interpretable Machine Learning for Science with PySR and SymbolicRegression.jl

Adaptive Kernel Selection for Kernelized Diffusion Maps

Receipt and verification

First computed	2026-07-05T00:18:26.902203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

350ce1ca8ea662f860ba9d489e099a931618cb81593ce6c2f73a3b7b5805903e

Aliases

arxiv: 1910.05117 · arxiv_version: 1910.05117v2 · doi: 10.48550/arxiv.1910.05117 · pith_short_12: GUGODSUOUZRP · pith_short_16: GUGODSUOUZRPQYF2 · pith_short_8: GUGODSUO

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/GUGODSUOUZRPQYF2TVEJ4CM2SM \
  | 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: 350ce1ca8ea662f860ba9d489e099a931618cb81593ce6c2f73a3b7b5805903e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b01f17243be5d04c1d9ca53e801acb19290c1793bfd6c061f591656a8d3e7681",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.comp-ph",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2019-09-27T02:12:19Z",
    "title_canon_sha256": "df9a89e80408c0ed38e79b2446b968e4bbd88359cbadd7a1d7f15f715a7fbe8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.05117",
    "kind": "arxiv",
    "version": 2
  }
}