Pith Number

pith:ZPFFCKKW

pith:1995:ZPFFCKKWBP5MSRT4EJI5H3YICD

not attested not anchored not stored refs pending

Separation of Variables. New Trends.

E.K. Sklyanin

arxiv:solv-int/9504001 v1 · 1995-04-04 · 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{ZPFFCKKWBP5MSRT4EJI5H3YICD}

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	2026-05-18T01:05:00.149343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbca5129560bfac9467c2251d3ef0810ed65ab3ac34fc70a1e1bba0be7cda181

Aliases

arxiv: solv-int/9504001 · arxiv_version: solv-int/9504001v1 · doi: 10.48550/arxiv.solv-int/9504001 · pith_short_12: ZPFFCKKWBP5M · pith_short_16: ZPFFCKKWBP5MSRT4 · pith_short_8: ZPFFCKKW

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/ZPFFCKKWBP5MSRT4EJI5H3YICD \
  | 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: cbca5129560bfac9467c2251d3ef0810ed65ab3ac34fc70a1e1bba0be7cda181

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0376f046a273d8fbe21da3a084eb1dd27cedc1440b559f0f311f5755d0f9da81",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1995-04-04T09:34:27Z",
    "title_canon_sha256": "eb5db4bc662496a3e462047b0513850668e24afe87c42f367e30e4a328abb8c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9504001",
    "kind": "arxiv",
    "version": 1
  }
}