Pith Number

pith:CQEEGONN

pith:2025:CQEEGONNCG3EJSQNHNEBWWUUGQ

not attested not anchored not stored refs pending

Discovering Symmetries of ODEs by Symbolic Regression

Joachim Giesen, Niklas Merk, Paul Kahlmeyer

arxiv:2506.19550 v1 · 2025-06-24 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQEEGONNCG3EJSQNHNEBWWUUGQ}

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.

Receipt and verification

First computed	2026-07-05T11:26:34.410865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14084339ad11b644ca0d3b481b5a943414696335824fb3f2cd1f9969be3cb446

Aliases

arxiv: 2506.19550 · arxiv_version: 2506.19550v1 · doi: 10.48550/arxiv.2506.19550 · pith_short_12: CQEEGONNCG3E · pith_short_16: CQEEGONNCG3EJSQN · pith_short_8: CQEEGONN

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/CQEEGONNCG3EJSQNHNEBWWUUGQ \
  | 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: 14084339ad11b644ca0d3b481b5a943414696335824fb3f2cd1f9969be3cb446

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9073a00d96e55e33c6983b858eb7293fd0fcdbea1c27695de814baffec531a29",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-06-24T11:55:59Z",
    "title_canon_sha256": "4a0c43fb5142245cfceb94142ffa71283614f1fd624b1bcb5cecdddc53d29b1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.19550",
    "kind": "arxiv",
    "version": 1
  }
}