Pith Number

pith:BDZI3LVA

pith:2026:BDZI3LVA3MXMDTOGNCJW74RUH7

not attested not anchored not stored refs pending

Invariants for a family of discrete equations with the Laurent property

Andrei K Svinin

arxiv:2606.24925 v1 · 2026-06-21 · 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{BDZI3LVA3MXMDTOGNCJW74RUH7}

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	2026-06-25T00:17:46.134596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08f28daea0db2ec1cdc668936ff2343fc36ab0f3b3db06974b8711127de56af7

Aliases

arxiv: 2606.24925 · arxiv_version: 2606.24925v1 · doi: 10.48550/arxiv.2606.24925 · pith_short_12: BDZI3LVA3MXM · pith_short_16: BDZI3LVA3MXMDTOG · pith_short_8: BDZI3LVA

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/BDZI3LVA3MXMDTOGNCJW74RUH7 \
  | 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: 08f28daea0db2ec1cdc668936ff2343fc36ab0f3b3db06974b8711127de56af7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7e504c1a348372b67db2648f477d67e2931c6f8351916d175be7454c4cc0c80",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2026-06-21T02:04:32Z",
    "title_canon_sha256": "2d57cb59288df1ad9e9a4e6fd70c01a0846e61c87b2bc4b63aee0fb526d11fc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.24925",
    "kind": "arxiv",
    "version": 1
  }
}