Pith Number

pith:A7U353QT

pith:2000:A7U353QT2L7KXLGY3WV3JLSNX3

not attested not anchored not stored refs pending

Baecklund transformations and Baxter's Q-operator

E.K. Sklyanin

arxiv:nlin/0009009 v1 · 2000-09-04 · 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{A7U353QT2L7KXLGY3WV3JLSNX3}

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	2026-05-18T01:27:05.991961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07e9beee13d2feabacd8ddabb4ae4dbee8a6921588eb2c1b21d7df70872a1c2f

Aliases

arxiv: nlin/0009009 · arxiv_version: nlin/0009009v1 · doi: 10.48550/arxiv.nlin/0009009 · pith_short_12: A7U353QT2L7K · pith_short_16: A7U353QT2L7KXLGY · pith_short_8: A7U353QT

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/A7U353QT2L7KXLGY3WV3JLSNX3 \
  | 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: 07e9beee13d2feabacd8ddabb4ae4dbee8a6921588eb2c1b21d7df70872a1c2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa2f69c2e6d6f423520e83a5e7688bde100db403ffe024a1f206368030262c6e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2000-09-04T09:27:29Z",
    "title_canon_sha256": "bd839f5d93cd1893fef6529075321878d7fc9293d0cc0ac9d199858c345b54b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0009009",
    "kind": "arxiv",
    "version": 1
  }
}