Pith Number

pith:AMVRNYIZ

pith:2011:AMVRNYIZ2XYTP6L7XX3CI6MDAB

not attested not anchored not stored refs pending

On the integrability of a generalized variable-coefficient Kadomtsev-Petviashvili equation

Hong-Qing Zhang, Shou-Fu Tian

arxiv:1112.1499 v2 · 2011-12-07 · 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{AMVRNYIZ2XYTP6L7XX3CI6MDAB}

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	2026-05-18T01:59:15.893081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

032b16e119d5f137f97fbdf6247983006e8e59b94bee0e57a242404b801ad3f8

Aliases

arxiv: 1112.1499 · arxiv_version: 1112.1499v2 · doi: 10.48550/arxiv.1112.1499 · pith_short_12: AMVRNYIZ2XYT · pith_short_16: AMVRNYIZ2XYTP6L7 · pith_short_8: AMVRNYIZ

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/AMVRNYIZ2XYTP6L7XX3CI6MDAB \
  | 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: 032b16e119d5f137f97fbdf6247983006e8e59b94bee0e57a242404b801ad3f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec6a7e755189305411964bfcf5094843a945914920900cebec33cd04270ea056",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-12-07T08:43:52Z",
    "title_canon_sha256": "80451665d9535fb365fb938066657d28dc6684795e37d7f4b20423de59b254c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1499",
    "kind": "arxiv",
    "version": 2
  }
}