Pith Number

pith:H4IVY4FR

pith:2012:H4IVY4FRILIHMMZKIDWVWVEGIQ

not attested not anchored not stored refs pending

A Lagrangian Description of the Higher-Order Painlev\'e Equations

A. Ghose Choudhury, Nikolai A. Kudryashov, Partha Guha

arxiv:1201.3703 v1 · 2012-01-18 · 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{H4IVY4FRILIHMMZKIDWVWVEGIQ}

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	2026-05-18T01:58:47.577818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f115c70b142d076332a40ed5b5486442a6e7a135bbba757ef8ac091678c5fd2

Aliases

arxiv: 1201.3703 · arxiv_version: 1201.3703v1 · doi: 10.48550/arxiv.1201.3703 · pith_short_12: H4IVY4FRILIH · pith_short_16: H4IVY4FRILIHMMZK · pith_short_8: H4IVY4FR

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/H4IVY4FRILIHMMZKIDWVWVEGIQ \
  | 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: 3f115c70b142d076332a40ed5b5486442a6e7a135bbba757ef8ac091678c5fd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ea7c7c00dfe4f57590d5774912443b93cebea3d687bac3acb2d36ec10016add",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-01-18T06:33:14Z",
    "title_canon_sha256": "1e6892f48c372fa3a259cdb5aed28ec6449f13b099d0cfcde1d4bdbf06510ad6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3703",
    "kind": "arxiv",
    "version": 1
  }
}