Pith Number

pith:AL4F6L7C

pith:2015:AL4F6L7CBEVZME3TVQDKPXSAXT

not attested not anchored not stored refs pending

On an Orbifold Hamiltonian Structure for the First Painleve Equation

Katsunori Iwasaki, Shu Okada

arxiv:1504.03825 v1 · 2015-04-15 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AL4F6L7CBEVZME3TVQDKPXSAXT}

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	2026-05-18T02:18:41.971366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02f85f2fe2092b961373ac06a7de40bce23a440070fe11dee08c0d52fce07780

Aliases

arxiv: 1504.03825 · arxiv_version: 1504.03825v1 · doi: 10.48550/arxiv.1504.03825 · pith_short_12: AL4F6L7CBEVZ · pith_short_16: AL4F6L7CBEVZME3T · pith_short_8: AL4F6L7C

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/AL4F6L7CBEVZME3TVQDKPXSAXT \
  | 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: 02f85f2fe2092b961373ac06a7de40bce23a440070fe11dee08c0d52fce07780

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea62ab9d9fd647e0d2458112623d0285168829ef995b5f5b0b65f39b95dfc68f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-04-15T09:00:32Z",
    "title_canon_sha256": "3e2ff7989e3236953072c1f1742643097f2c09849f6468676c8bec5591712718"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03825",
    "kind": "arxiv",
    "version": 1
  }
}