Pith Number

pith:TQPZQKSI

pith:2008:TQPZQKSIVSU22QMMQ26XTCRP5H

not attested not anchored not stored refs pending

Reductions of integrable lattices

Andrei K. Svinin

arxiv:0804.4712 v2 · 2008-04-30 · 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{TQPZQKSIVSU22QMMQ26XTCRP5H}

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	2026-05-18T03:14:30.719394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c1f982a48aca9ad418c86bd798a2fe9ef69015cd7336377ab4f59b7797fffe0

Aliases

arxiv: 0804.4712 · arxiv_version: 0804.4712v2 · doi: 10.48550/arxiv.0804.4712 · pith_short_12: TQPZQKSIVSU2 · pith_short_16: TQPZQKSIVSU22QMM · pith_short_8: TQPZQKSI

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/TQPZQKSIVSU22QMMQ26XTCRP5H \
  | 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: 9c1f982a48aca9ad418c86bd798a2fe9ef69015cd7336377ab4f59b7797fffe0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fb89b3b0060883f457c002db5388736beb685a959f7929cb1fbc6cb341c1d93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2008-04-30T00:34:41Z",
    "title_canon_sha256": "884e407e5955c4e180b0cde5b0d4eafa41e3e21b00c27d55e9c4c7e5bc84dfcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.4712",
    "kind": "arxiv",
    "version": 2
  }
}