Pith Number

pith:5C6ETTUH

pith:2011:5C6ETTUHH7KWIDR2LENW3ZNOIP

not attested not anchored not stored refs pending

Gardner's deformations of the graded Korteweg-de Vries equations revisited

A. O. Krutov, A. V. Kiselev

arxiv:1108.2211 v1 · 2011-08-10 · 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{5C6ETTUHH7KWIDR2LENW3ZNOIP}

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	2026-05-18T03:44:04.666372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8bc49ce873fd5640e3a591b6de5ae43d5925b1f0991ff94802d0620b8637fbc

Aliases

arxiv: 1108.2211 · arxiv_version: 1108.2211v1 · doi: 10.48550/arxiv.1108.2211 · pith_short_12: 5C6ETTUHH7KW · pith_short_16: 5C6ETTUHH7KWIDR2 · pith_short_8: 5C6ETTUH

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/5C6ETTUHH7KWIDR2LENW3ZNOIP \
  | 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: e8bc49ce873fd5640e3a591b6de5ae43d5925b1f0991ff94802d0620b8637fbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3441647848f9113dc4f92951d5d62bf9e5e52f8f2910ba88f29629423744dd9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-08-10T15:51:24Z",
    "title_canon_sha256": "5220ac7ddb54ea3c1cbfcfba176fb149296e72b03c45d37adfaedf3cab2560fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2211",
    "kind": "arxiv",
    "version": 1
  }
}