Pith Number

pith:7CJ4JPKD

pith:2025:7CJ4JPKDPB32MGNB2HBOVQ33NE

not attested not anchored not stored refs pending

On refactorization problems and rational Lax matrices of quadrirational Yang-Baxter maps

Maciej Nieszporski, Pavlos Kassotakis, Theodoros E. Kouloukas

arxiv:2501.15344 v1 · 2025-01-25 · nlin.SI · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7CJ4JPKDPB32MGNB2HBOVQ33NE}

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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	2026-07-05T10:05:27.748207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f893c4bd437877a619a1d1c2eac37b6923b8c924bc311778e5cb8bc432c04f5b

Aliases

arxiv: 2501.15344 · arxiv_version: 2501.15344v1 · doi: 10.48550/arxiv.2501.15344 · pith_short_12: 7CJ4JPKDPB32 · pith_short_16: 7CJ4JPKDPB32MGNB · pith_short_8: 7CJ4JPKD

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/7CJ4JPKDPB32MGNB2HBOVQ33NE \
  | 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: f893c4bd437877a619a1d1c2eac37b6923b8c924bc311778e5cb8bc432c04f5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ece0b3ab628421dbbda6ed1b1739e8b328328b0cfd97129772346fed54b227d",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2025-01-25T23:01:27Z",
    "title_canon_sha256": "cc6dc92b8575b236f0969768d6ca90ed7248bab9a569906cb81d8cbb4da26773"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.15344",
    "kind": "arxiv",
    "version": 1
  }
}