Pith Number

pith:Z2CIXIJM

pith:2025:Z2CIXIJM6TP3EDUCPMLSY4SGPO

not attested not anchored not stored refs pending

Mesh-free sparse identification of nonlinear dynamics

Bernat Font, J. Nathan Kutz, Mars Liyao Gao

arxiv:2505.16058 v1 · 2025-05-21 · cs.LG · cs.AI · 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{Z2CIXIJM6TP3EDUCPMLSY4SGPO}

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

2 papers in Pith

Fast and principled equation discovery from chaos to climate

Physics-Informed Neural Networks for Biological $2\mathrm{D}{+}t$ Reaction-Diffusion Systems

Receipt and verification

First computed	2026-07-05T11:07:29.121547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce848ba12cf4dfb20e827b172c72467b973162201a0f49c308c12e5ff3c1076c

Aliases

arxiv: 2505.16058 · arxiv_version: 2505.16058v1 · doi: 10.48550/arxiv.2505.16058 · pith_short_12: Z2CIXIJM6TP3 · pith_short_16: Z2CIXIJM6TP3EDUC · pith_short_8: Z2CIXIJM

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/Z2CIXIJM6TP3EDUCPMLSY4SGPO \
  | 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: ce848ba12cf4dfb20e827b172c72467b973162201a0f49c308c12e5ff3c1076c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bab72886c62333c21da149b9a242a6f5f1e0996f966fe898f8a5a3723d20edf9",
    "cross_cats_sorted": [
      "cs.AI",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-21T22:18:37Z",
    "title_canon_sha256": "f46ffdba737c718166e608dddbec85ac79baa4750ad875a6dd35ab5f9dae2906"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.16058",
    "kind": "arxiv",
    "version": 1
  }
}