Pith Number

pith:OGD36R7K

pith:2009:OGD36R7KD6LFLKZOYB3BV4YV3U

not attested not anchored not stored refs pending

Classical R-matrix theory for bi-Hamiltonian field systems

Blazej M. Szablikowski, Maciej Blaszak

arxiv:0902.1511 v1 · 2009-02-09 · 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{OGD36R7KD6LFLKZOYB3BV4YV3U}

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	2026-05-18T01:20:31.888763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7187bf47ea1f9655ab2ec0761af315dd2224a70115fd67e98d0e3c3eab36cc2b

Aliases

arxiv: 0902.1511 · arxiv_version: 0902.1511v1 · doi: 10.48550/arxiv.0902.1511 · pith_short_12: OGD36R7KD6LF · pith_short_16: OGD36R7KD6LFLKZO · pith_short_8: OGD36R7K

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/OGD36R7KD6LFLKZOYB3BV4YV3U \
  | 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: 7187bf47ea1f9655ab2ec0761af315dd2224a70115fd67e98d0e3c3eab36cc2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ec6b92f5bf39ec074d2a487a5f6152428ad2bf211f2d94f1de14350b28c9a6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2009-02-09T20:18:50Z",
    "title_canon_sha256": "9f9c3a36f7b6bf3bd0762013d49dda8039355f1c0fe98e19f4b90ae645222ec0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1511",
    "kind": "arxiv",
    "version": 1
  }
}