Pith Number

pith:U2YJ4I5U

pith:2011:U2YJ4I5UKX6EVPT62C2HKVRKB4

not attested not anchored not stored refs pending

Rational Bundles and Recursion Operators for Integrable Equations on A.III-type Symmetric Spaces

Alexander V. Mikhailov, Georgi G. Grahovski, Tihomir I. Valchev, Vladimir S. Gerdjikov

arxiv:1102.1942 v1 · 2011-02-09 · nlin.SI · math-ph · 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{U2YJ4I5UKX6EVPT62C2HKVRKB4}

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	2026-05-18T04:15:06.577901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6b09e23b455fc4abe7ed0b475562a0f035b8d54fd9b93741bdf91814d8ff155

Aliases

arxiv: 1102.1942 · arxiv_version: 1102.1942v1 · doi: 10.48550/arxiv.1102.1942 · pith_short_12: U2YJ4I5UKX6E · pith_short_16: U2YJ4I5UKX6EVPT6 · pith_short_8: U2YJ4I5U

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/U2YJ4I5UKX6EVPT62C2HKVRKB4 \
  | 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: a6b09e23b455fc4abe7ed0b475562a0f035b8d54fd9b93741bdf91814d8ff155

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cfca26bd69c90d2ae55c1986899bfc58ccb9c78ea55076b973c3f125cde9f63",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-02-09T19:11:59Z",
    "title_canon_sha256": "69e58c358a85b530078a35fed1ac95aced6936f16539d78ca54d8cad605057fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1942",
    "kind": "arxiv",
    "version": 1
  }
}