Pith Number

pith:J7CXJBRA

pith:2008:J7CXJBRAFOKF22HTT7QZRF2WTH

not attested not anchored not stored refs pending

Solutions of the (2+1)-dimensional KP, SK and KK equations generated by gauge transformations from non-zero seeds

Jingsong He, Xiaodong Li

arxiv:0811.4016 v1 · 2008-11-25 · 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{J7CXJBRAFOKF22HTT7QZRF2WTH}

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	2026-05-18T02:15:13.251154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fc57486202b945d68f39fe198975699f200bced9b646a7104e0cd18526d2d23

Aliases

arxiv: 0811.4016 · arxiv_version: 0811.4016v1 · doi: 10.48550/arxiv.0811.4016 · pith_short_12: J7CXJBRAFOKF · pith_short_16: J7CXJBRAFOKF22HT · pith_short_8: J7CXJBRA

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/J7CXJBRAFOKF22HTT7QZRF2WTH \
  | 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: 4fc57486202b945d68f39fe198975699f200bced9b646a7104e0cd18526d2d23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59487b3dad172b0ea264f3cadeb8465e0d3cbcf19010768ebad671966c2cf343",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2008-11-25T05:47:55Z",
    "title_canon_sha256": "f72ad323d738e6a2d68520b096f8ae26238245c38852649ac6c8b31779be8521"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.4016",
    "kind": "arxiv",
    "version": 1
  }
}