Pith Number

pith:KCM6YGXO

pith:2025:KCM6YGXOETFZTILT2MOQ4TBJRX

not attested not anchored not stored refs pending

A system of 2 nonlinearly coupled ODEs which is explicitly solvable and possibly isochronous provided its coefficients are suitably restricted

Fabio Briscese, Farrin Payandeh, Francesco Calogero

arxiv:2505.24370 v1 · 2025-05-30 · nlin.SI · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KCM6YGXOETFZTILT2MOQ4TBJRX}

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	2026-07-05T11:12:47.880497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5099ec1aee24cb99a173d31d0e4c298dd53218fe0db43c042082fd0b7ab888ab

Aliases

arxiv: 2505.24370 · arxiv_version: 2505.24370v1 · doi: 10.48550/arxiv.2505.24370 · pith_short_12: KCM6YGXOETFZ · pith_short_16: KCM6YGXOETFZTILT · pith_short_8: KCM6YGXO

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/KCM6YGXOETFZTILT2MOQ4TBJRX \
  | 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: 5099ec1aee24cb99a173d31d0e4c298dd53218fe0db43c042082fd0b7ab888ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "009f9c1b5d893959a3fcb19d0a6938bd636eb6d71c7f4262b21ea6a7edf56892",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2025-05-30T09:03:47Z",
    "title_canon_sha256": "8868aead15a866a7dc336219beb5e4c2ef32e243305f4b10578f6ff5e5792af5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.24370",
    "kind": "arxiv",
    "version": 1
  }
}