Pith Number

pith:RAJPJY2J

pith:1999:RAJPJY2JDAQ3KXLPD4MWV5Z46J

not attested not anchored not stored refs pending

Symmetric Linear Backlund Transformation for Discrete BKP and DKP equation

Nobuhiko Shinzawa

arxiv:solv-int/9907016 v2 · 1999-07-15 · solv-int · 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{RAJPJY2JDAQ3KXLPD4MWV5Z46J}

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	2026-05-18T01:37:51.747656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8812f4e3491821b55d6f1f196af73cf24b16e84004c4fa4743f295a5a092ace8

Aliases

arxiv: solv-int/9907016 · arxiv_version: solv-int/9907016v2 · doi: 10.48550/arxiv.solv-int/9907016 · pith_short_12: RAJPJY2JDAQ3 · pith_short_16: RAJPJY2JDAQ3KXLP · pith_short_8: RAJPJY2J

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/RAJPJY2JDAQ3KXLPD4MWV5Z46J \
  | 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: 8812f4e3491821b55d6f1f196af73cf24b16e84004c4fa4743f295a5a092ace8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc0b03973984b87801a39efdc45389c9974ae0274f3d11fd3f8697cda9da2f15",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1999-07-15T13:49:10Z",
    "title_canon_sha256": "c8bdc6feeccf791f6789616f2bf9755f0062425fe826d33660110940e4e89df0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9907016",
    "kind": "arxiv",
    "version": 2
  }
}