Pith Number

pith:3KELJX6G

pith:2011:3KELJX6GUHXFQCB7WWL4MCKEEP

not attested not anchored not stored refs pending

On the (Non)-Integrability of KdV Hierarchy with Self-consistent Sources

Georgi G. Grahovski, Rossen I. Ivanov, Vladimir S. Gerdjikov

arxiv:1109.4543 v1 · 2011-09-21 · 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{3KELJX6GUHXFQCB7WWL4MCKEEP}

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	2026-05-18T04:03:56.827196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da88b4dfc6a1ee58083fb597c6094423e5930fc5eac2464a3948545f287fe344

Aliases

arxiv: 1109.4543 · arxiv_version: 1109.4543v1 · doi: 10.48550/arxiv.1109.4543 · pith_short_12: 3KELJX6GUHXF · pith_short_16: 3KELJX6GUHXFQCB7 · pith_short_8: 3KELJX6G

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/3KELJX6GUHXFQCB7WWL4MCKEEP \
  | 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: da88b4dfc6a1ee58083fb597c6094423e5930fc5eac2464a3948545f287fe344

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18d9133bb4ad1c7e66d3fe15a951d2af156ab02aa1d403d18c9a319bd5b9ca29",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-09-21T14:34:55Z",
    "title_canon_sha256": "0457f1c1fc97251a07b93e7616732f6bb4137304bb31d217cd5fdd57d2480e17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4543",
    "kind": "arxiv",
    "version": 1
  }
}