Pith Number

pith:7CNK4JHE

pith:2018:7CNK4JHE7PPVSU7QBO7DOGJITG

not attested not anchored not stored refs pending

Friezes satisfying higher SL$_k$-determinants

Eleonore Faber, Gordana Todorov, Karin Baur, Khrystyna Serhiyenko, Sira Gratz

arxiv:1810.10562 v2 · 2018-10-24 · math.RA · 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{7CNK4JHE7PPVSU7QBO7DOGJITG}

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

1 paper in Pith

2-periodic frieze patterns

Receipt and verification

First computed	2026-07-05T02:19:23.802822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f89aae24e4fbdf5953f00bbe37192899aef289e672846c30f43f23766eac4843

Aliases

arxiv: 1810.10562 · arxiv_version: 1810.10562v2 · doi: 10.48550/arxiv.1810.10562 · pith_short_12: 7CNK4JHE7PPV · pith_short_16: 7CNK4JHE7PPVSU7Q · pith_short_8: 7CNK4JHE

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/7CNK4JHE7PPVSU7QBO7DOGJITG \
  | 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: f89aae24e4fbdf5953f00bbe37192899aef289e672846c30f43f23766eac4843

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c35486eac9da56e79c44e1297e158585b2b4c2b0777b387fd0a60e6cb360fc8b",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-10-24T18:09:17Z",
    "title_canon_sha256": "dd9547ea5d9796449c70f53be3d4c39c8c900c341a1781d164523c0eff3ae30b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10562",
    "kind": "arxiv",
    "version": 2
  }
}