Pith Number

pith:OJ5VCZQP

pith:2018:OJ5VCZQPU6ZNAIRPGGJBYSBBSQ

not attested not anchored not stored refs pending

A Dynamical Systems Approach to The Fourth Painleve Equation

Jeremy Schiff, Michael Twiton

arxiv:1810.09643 v1 · 2018-10-23 · nlin.SI · math-ph · math.CA · math.DS · 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{OJ5VCZQPU6ZNAIRPGGJBYSBBSQ}

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	2026-05-17T23:45:35.862907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

727b51660fa7b2d0222f31921c48219407e6aff64d5756c23d10d40d51bd7bca

Aliases

arxiv: 1810.09643 · arxiv_version: 1810.09643v1 · doi: 10.48550/arxiv.1810.09643 · pith_short_12: OJ5VCZQPU6ZN · pith_short_16: OJ5VCZQPU6ZNAIRP · pith_short_8: OJ5VCZQP

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/OJ5VCZQPU6ZNAIRPGGJBYSBBSQ \
  | 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: 727b51660fa7b2d0222f31921c48219407e6aff64d5756c23d10d40d51bd7bca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0c47c52d8e0c735543d086d078f502086545514a955a9745e37cd5326799d2a",
    "cross_cats_sorted": [
      "math-ph",
      "math.CA",
      "math.DS",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2018-10-23T03:33:06Z",
    "title_canon_sha256": "93665c904d9090c40ac6b277de7c357563027f1be9dc66b1a09718b1bdf7ed88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09643",
    "kind": "arxiv",
    "version": 1
  }
}