Pith Number

pith:DYTBZLFP

pith:2019:DYTBZLFPOQYHDYUX74ZCK5NAC6

not attested not anchored not stored refs pending

Open Problems for Painlev\'e Equations

Peter A. Clarkson

arxiv:1901.10122 v1 · 2019-01-29 · math.CA · math-ph · 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{DYTBZLFPOQYHDYUX74ZCK5NAC6}

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	2026-05-17T23:55:16.105097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e261cacaf743071e297ff322575a017b356efa88cc872daad68abf8650069f7

Aliases

arxiv: 1901.10122 · arxiv_version: 1901.10122v1 · doi: 10.48550/arxiv.1901.10122 · pith_short_12: DYTBZLFPOQYH · pith_short_16: DYTBZLFPOQYHDYUX · pith_short_8: DYTBZLFP

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/DYTBZLFPOQYHDYUX74ZCK5NAC6 \
  | 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: 1e261cacaf743071e297ff322575a017b356efa88cc872daad68abf8650069f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f9c1ca405463f40370210f0d4cc74a8845bb5b249ca67ff9e3bb7b8ac866175",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2019-01-29T05:57:41Z",
    "title_canon_sha256": "59339749f96ebbf694889bf12b94b0c9450e6cc0ca1fae57a7ecacfd6585222a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10122",
    "kind": "arxiv",
    "version": 1
  }
}