Pith Number

pith:B5NBUCRX

pith:2025:B5NBUCRX34FEIMF4T5N4LZU5PN

not attested not anchored not stored refs pending

On $q$-deformed Markov numbers. Cohn matrices and perfect matchings with weighted edges

Perrine Jouteur, Sam Evans, Sophie Morier-Genoud, Valentin Ovsienko

arxiv:2507.19080 v1 · 2025-07-25 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B5NBUCRX34FEIMF4T5N4LZU5PN}

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.

Cited by

4 papers in Pith

Cluster Expansions from Punctured Orbifolds

Plane geometry of $q$-rationals and Springborn Operations

Cluster Expansions from Punctured Orbifolds

Wug-snake graphs and Markov numbers of matrix semigroups

Receipt and verification

First computed	2026-07-05T11:43:19.292883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f5a1a0a37df0a4430bc9f5bc5e69d7b684da2b999b847d88b61588e1a8181f5

Aliases

arxiv: 2507.19080 · arxiv_version: 2507.19080v1 · doi: 10.48550/arxiv.2507.19080 · pith_short_12: B5NBUCRX34FE · pith_short_16: B5NBUCRX34FEIMF4 · pith_short_8: B5NBUCRX

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/B5NBUCRX34FEIMF4T5N4LZU5PN \
  | 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: 0f5a1a0a37df0a4430bc9f5bc5e69d7b684da2b999b847d88b61588e1a8181f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f219215fa8b38302fb2fd0c7832484ff94714110df7f36fba6f9acbd2a5ea516",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-07-25T09:06:15Z",
    "title_canon_sha256": "b95547ffd8db9da3a49147a4cf644de9bcf81d3032dbb7ec3d21d9c77c56c4f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19080",
    "kind": "arxiv",
    "version": 1
  }
}