Pith Number

pith:HCQX36A2

pith:2019:HCQX36A2IGGEAQAMJJ2HSN76QJ

not attested not anchored not stored refs pending

Classification of Real Solutions of the Fourth Painleve Equation

Jeremy Schiff, Michael Twiton

arxiv:1905.12125 v1 · 2019-05-28 · math-ph · math.CA · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HCQX36A2IGGEAQAMJJ2HSN76QJ}

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	2026-05-17T23:44:48.883053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38a17df81a418c40400c4a747937fe827313ff11b8996e1766caef7aed3d5bf7

Aliases

arxiv: 1905.12125 · arxiv_version: 1905.12125v1 · doi: 10.48550/arxiv.1905.12125 · pith_short_12: HCQX36A2IGGE · pith_short_16: HCQX36A2IGGEAQAM · pith_short_8: HCQX36A2

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/HCQX36A2IGGEAQAMJJ2HSN76QJ \
  | 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: 38a17df81a418c40400c4a747937fe827313ff11b8996e1766caef7aed3d5bf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2a13a97c99c0078749aca20379b2e4c571c263c59ee8d83e10f4e59a84e4c86",
    "cross_cats_sorted": [
      "math.CA",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-05-28T22:53:33Z",
    "title_canon_sha256": "9d9cb08230a59ecb62f9fa85794cf63bd59dd993dfe1488ab28634f9d145c77b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12125",
    "kind": "arxiv",
    "version": 1
  }
}