Pith Number

pith:QML2OPDT

pith:2020:QML2OPDTQ4PD7IDLPSFW4IIAO3

not attested not anchored not stored refs pending

Universal Differential Equations for Scientific Machine Learning

Alan Edelman, Ali Ramadhan, Christopher Rackauckas, Collin Warner, Dominic Skinner, Julius Martensen, Kirill Zubov, Rohit Supekar, Yingbo Ma

arxiv:2001.04385 v4 · 2020-01-13 · cs.LG · math.DS · q-bio.QM · stat.ML

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

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

18 papers in Pith

A Weak Penalty Neural ODE for Learning Chaotic Dynamics from Noisy Time Series

Learning Post-Newtonian Corrections from Numerical Relativity

Knowledge Integration in Differentiable Models: A Comparative Study of Data-Driven, Soft-Constrained, and Hard-Constrained Paradigms for Identification and Control of the Single Machine Infinite Bus S

Experimental Design for Missing Physics

PG-LRF: Physiology-Guided Latent Rectified Flow for Electro-Hemodynamic PPG-to-ECG Generation

Receipt and verification

First computed	2026-05-18T00:19:23.893575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8317a73c73871e3fa06b7c8b6e210076cbb21347f6cbdebc20144183edc59845

Aliases

arxiv: 2001.04385 · arxiv_version: 2001.04385v4 · doi: 10.48550/arxiv.2001.04385 · pith_short_12: QML2OPDTQ4PD · pith_short_16: QML2OPDTQ4PD7IDL · pith_short_8: QML2OPDT

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/QML2OPDTQ4PD7IDLPSFW4IIAO3 \
  | 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: 8317a73c73871e3fa06b7c8b6e210076cbb21347f6cbdebc20144183edc59845

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38947d8b94ebf5024d65fc0cf317f926ef752d261ccd53a44d6ff1466c1397a8",
    "cross_cats_sorted": [
      "math.DS",
      "q-bio.QM",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-01-13T16:40:35Z",
    "title_canon_sha256": "21b04ffbcd3149cb5bc8a66bad6000c16e675b98c10e66d3b2e3443eaf4d2f1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.04385",
    "kind": "arxiv",
    "version": 4
  }
}