Pith Number

pith:LCYO5QAF

pith:2008:LCYO5QAF6DDWIS5ZJS57W74K3D

not attested not anchored not stored refs pending

On the String Equation of the BKP Hierarchy

Hsin-Fu Shen, Ming-Hsien Tu

arxiv:0811.1469 v1 · 2008-11-10 · 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{LCYO5QAF6DDWIS5ZJS57W74K3D}

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	2026-05-18T02:15:21.671333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58b0eec005f0c7644bb94cbbfb7f8ad8c57565900e21c74d76ed85ea7df9e4cd

Aliases

arxiv: 0811.1469 · arxiv_version: 0811.1469v1 · doi: 10.48550/arxiv.0811.1469 · pith_short_12: LCYO5QAF6DDW · pith_short_16: LCYO5QAF6DDWIS5Z · pith_short_8: LCYO5QAF

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/LCYO5QAF6DDWIS5ZJS57W74K3D \
  | 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: 58b0eec005f0c7644bb94cbbfb7f8ad8c57565900e21c74d76ed85ea7df9e4cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78121252d6abcd0d4b776f4915da713f6557bde4c51d5e08552d1b2a591d87a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2008-11-10T13:40:33Z",
    "title_canon_sha256": "0c98df555463852374a7c6c1d0a710e44a70b989347fd3af76bfa0a87f16a4d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1469",
    "kind": "arxiv",
    "version": 1
  }
}