Pith Number

pith:TWEMDHA7

pith:2021:TWEMDHA7UYK4MZUXI2L2XNWKGC

not attested not anchored not stored refs pending

An Approach to Symbolic Regression Using Feyn

Casper Wilstrup, Chris Cave, Jaan Kasak, Kevin Ren\'e Brol{\o}s, Meera Vieira Machado, Tom Jelen, Valdemar Stentoft-Hansen, Victor Galindo Batanero

arxiv:2104.05417 v1 · 2021-04-12 · cs.LG · cs.AI · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TWEMDHA7UYK4MZUXI2L2XNWKGC}

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

When Good Equations Get Bad Scores: Improving Symbolic Regression Through Better Parameter Optimization

Symbolic Classification-Enabled LHC Limits Online BSM Global Fits

Receipt and verification

First computed	2026-07-05T02:31:12.225780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d88c19c1fa615c666974697abb6ca3094362a89a417434c2f996b7cbc029e6c

Aliases

arxiv: 2104.05417 · arxiv_version: 2104.05417v1 · doi: 10.48550/arxiv.2104.05417 · pith_short_12: TWEMDHA7UYK4 · pith_short_16: TWEMDHA7UYK4MZUX · pith_short_8: TWEMDHA7

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/TWEMDHA7UYK4MZUXI2L2XNWKGC \
  | 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: 9d88c19c1fa615c666974697abb6ca3094362a89a417434c2f996b7cbc029e6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e41a8f2a490d8065d649818d92bc9467191ac367175a04b7dd6dfacfef2272b",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.ET"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-04-12T12:50:50Z",
    "title_canon_sha256": "f09fc6aa8b7ceff37e9ac7f469b61c9caa4d52ffc7170af87063286e3d81b883"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.05417",
    "kind": "arxiv",
    "version": 1
  }
}