Pith Number

pith:4PPZT6FB

pith:2011:4PPZT6FB3USKOUQBHNM7NKLZQU

not attested not anchored not stored refs pending

Bilinearization and Special Solutions to the Discrete Schwarzian KdV Equation

Kenji Kajiwara, Mike Hay, Tetsu Masuda

arxiv:1102.1829 v2 · 2011-02-09 · 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{4PPZT6FB3USKOUQBHNM7NKLZQU}

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	2026-05-18T02:22:39.367418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3df99f8a1dd24a752013b59f6a97985146e8f1f757f00411d22ef69508650a8

Aliases

arxiv: 1102.1829 · arxiv_version: 1102.1829v2 · doi: 10.48550/arxiv.1102.1829 · pith_short_12: 4PPZT6FB3USK · pith_short_16: 4PPZT6FB3USKOUQB · pith_short_8: 4PPZT6FB

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/4PPZT6FB3USKOUQBHNM7NKLZQU \
  | 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: e3df99f8a1dd24a752013b59f6a97985146e8f1f757f00411d22ef69508650a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "435dc469f0821bf0200a52ca9552d026b092164c6f2f7c8469a7c0375b88eaa9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-02-09T10:56:47Z",
    "title_canon_sha256": "901388eb91fc72f9fa80952689808e106e14ede91ab185ee978a016396fdfdcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1829",
    "kind": "arxiv",
    "version": 2
  }
}