pith. sign in
Pith Number

pith:2Y6KWM6F

pith:2011:2Y6KWM6FA7KHSUT6E5Z5U3WSAW
not attested not anchored not stored refs pending

From Laurent Series to Exact Meromorphic Solutions: the Kawahara equation

Maria V. Demina, Nikolay A. Kudryashov

arxiv:1112.5266 v1 · 2011-12-22 · nlin.SI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2Y6KWM6FA7KHSUT6E5Z5U3WSAW}

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 2026-05-18T04:05:47.932581Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d63cab33c507d479527e2773da6ed205a56d9157743ef89006758ebf3d44e625

Aliases

arxiv: 1112.5266 · arxiv_version: 1112.5266v1 · doi: 10.48550/arxiv.1112.5266 · pith_short_12: 2Y6KWM6FA7KH · pith_short_16: 2Y6KWM6FA7KHSUT6 · pith_short_8: 2Y6KWM6F
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2Y6KWM6FA7KHSUT6E5Z5U3WSAW \
  | 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: d63cab33c507d479527e2773da6ed205a56d9157743ef89006758ebf3d44e625
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d748ee21483c3430786185a651bfd3ce7f1d824fc00586935a7997203139d82e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-12-22T10:37:43Z",
    "title_canon_sha256": "25732d44e14e1da702c7110e4d2a414b653e9e590d78488e4e89e45d5253822f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5266",
    "kind": "arxiv",
    "version": 1
  }
}