Pith Number

pith:LC2TLYWZ

pith:2002:LC2TLYWZJAG36QSRZ7TSDLE4NA

not attested not anchored not stored refs pending

Darboux Covariant Equations of von Neumann Type and their Generalizations

Jan L. Cieslinski, Marek Czachor, Nikolai V. Ustinov

arxiv:nlin/0205061 v2 · 2002-05-28 · nlin.SI · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LC2TLYWZJAG36QSRZ7TSDLE4NA}

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	2026-05-18T01:05:22.096931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58b535e2d9480dbf4251cfe721ac9c68076d0e8e6a8a518762d5dab5b1265731

Aliases

arxiv: nlin/0205061 · arxiv_version: nlin/0205061v2 · doi: 10.48550/arxiv.nlin/0205061 · pith_short_12: LC2TLYWZJAG3 · pith_short_16: LC2TLYWZJAG36QSR · pith_short_8: LC2TLYWZ

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/LC2TLYWZJAG36QSRZ7TSDLE4NA \
  | 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: 58b535e2d9480dbf4251cfe721ac9c68076d0e8e6a8a518762d5dab5b1265731

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17465f88ed08b464ad751b005dc645a3694d8e58aaac51579b9349ec5d9126a1",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2002-05-28T11:14:29Z",
    "title_canon_sha256": "c982979827fa45864e14fea79f902cb7a84f5def4acb308ede4c895ce3381a8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0205061",
    "kind": "arxiv",
    "version": 2
  }
}