Pith Number

pith:LJIOWE43

pith:2025:LJIOWE43X2KAVN4EOM74QIMIZD

not attested not anchored not stored refs pending

Rex: A Family of Reversible Exponential (Stochastic) Runge-Kutta Solvers

Chen Liu, Zander W. Blasingame

arxiv:2502.08834 v4 · 2025-02-12 · cs.LG · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJIOWE43X2KAVN4EOM74QIMIZD}

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	2026-06-03T01:05:43.451292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a50eb139bbe940ab784733fc82188c8da7c74ca5e245e6690de06791f6dee51

Aliases

arxiv: 2502.08834 · arxiv_version: 2502.08834v4 · doi: 10.48550/arxiv.2502.08834 · pith_short_12: LJIOWE43X2KA · pith_short_16: LJIOWE43X2KAVN4E · pith_short_8: LJIOWE43

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/LJIOWE43X2KAVN4EOM74QIMIZD \
  | 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: 5a50eb139bbe940ab784733fc82188c8da7c74ca5e245e6690de06791f6dee51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e956954717a907906e7b17aedc226e530aee89d04df3ed3f0a217494c620cabf",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-12T22:51:54Z",
    "title_canon_sha256": "93829a51d3a730121664a9365079327a98b0e1e539c30a29bc9552c239da9a43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.08834",
    "kind": "arxiv",
    "version": 4
  }
}