Pith Number

pith:27TGX3A4

pith:2019:27TGX3A4LJRNDFISICGPHVTZOW

not attested not anchored not stored refs pending

A review of elliptic difference Painlev\'e equations

Nalini Joshi, Nobutaka Nakazono

arxiv:1902.07842 v1 · 2019-02-21 · 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{27TGX3A4LJRNDFISICGPHVTZOW}

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	2026-05-17T23:53:03.703024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7e66bec1c5a62d19512408cf3d6797586a2f45dda4b23c573f73ca430fc8e08

Aliases

arxiv: 1902.07842 · arxiv_version: 1902.07842v1 · doi: 10.48550/arxiv.1902.07842 · pith_short_12: 27TGX3A4LJRN · pith_short_16: 27TGX3A4LJRNDFIS · pith_short_8: 27TGX3A4

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/27TGX3A4LJRNDFISICGPHVTZOW \
  | 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: d7e66bec1c5a62d19512408cf3d6797586a2f45dda4b23c573f73ca430fc8e08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac45f2f525b470d9b8f1f0316fa1af116395d2a044db9f50d0dd2c1fc59588b5",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2019-02-21T02:13:09Z",
    "title_canon_sha256": "44bc5903796c99e7c099f864df9b3a127d3095a9d72866944c57c6014eb1cf10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07842",
    "kind": "arxiv",
    "version": 1
  }
}