Pith Number

pith:SLPZY2GV

pith:1999:SLPZY2GVPAJHARVRT5UP7YGQLN

not attested not anchored not stored refs pending

Canonicity of Baecklund transformation: r-matrix approach. I

E. K. Sklyanin

arxiv:solv-int/9903016 v1 · 1999-03-25 · 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{SLPZY2GVPAJHARVRT5UP7YGQLN}

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	2026-05-18T01:27:08.481697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92df9c68d578127046b19f68ffe0d05b605a2ce28312535366d090c81692b601

Aliases

arxiv: solv-int/9903016 · arxiv_version: solv-int/9903016v1 · doi: 10.48550/arxiv.solv-int/9903016 · pith_short_12: SLPZY2GVPAJH · pith_short_16: SLPZY2GVPAJHARVR · pith_short_8: SLPZY2GV

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/SLPZY2GVPAJHARVRT5UP7YGQLN \
  | 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: 92df9c68d578127046b19f68ffe0d05b605a2ce28312535366d090c81692b601

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3927cd627ec2dc3c82b83b39cd688aef1894ac1da7ecb1c3a0f19c2515d075b9",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1999-03-25T14:58:40Z",
    "title_canon_sha256": "c2380adc92dabb16b74673f7344af3c915744916b74094d41e1696a1ae537447"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9903016",
    "kind": "arxiv",
    "version": 1
  }
}