Pith Number

pith:L26VP7HN

pith:2025:L26VP7HNT2EHF32W2SJSJAPB2A

not attested not anchored not stored refs pending

Idempotent compatible maps and discrete integrable systems on the triangular lattice

Maciej Nieszporski, Pavlos Kassotakis

arxiv:2504.12212 v1 · 2025-04-16 · 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{L26VP7HNT2EHF32W2SJSJAPB2A}

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	2026-07-05T10:50:04.279935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ebd57fced9e8872ef56d4932481e1d01617ce956249a9b3bf5aaeb2ea658f53

Aliases

arxiv: 2504.12212 · arxiv_version: 2504.12212v1 · doi: 10.48550/arxiv.2504.12212 · pith_short_12: L26VP7HNT2EH · pith_short_16: L26VP7HNT2EHF32W · pith_short_8: L26VP7HN

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/L26VP7HNT2EHF32W2SJSJAPB2A \
  | 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: 5ebd57fced9e8872ef56d4932481e1d01617ce956249a9b3bf5aaeb2ea658f53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79f90a7af265d9f8301d6e41985479691ff91fb4ba1036700f534ea691fb38b3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2025-04-16T15:59:24Z",
    "title_canon_sha256": "d47a13d28ab9a60b88af49f8d0c3842f3a915c4c47025bff453cfb34b2731b3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.12212",
    "kind": "arxiv",
    "version": 1
  }
}