Pith Number

pith:JIB6775K

pith:2019:JIB6775KORKAZ5Q7CK7IIGPYLE

not attested not anchored not stored refs pending

Frieze varieties are invariant under Coxeter mutation

Kiyoshi Igusa, Ralf Schiffler

arxiv:1906.00106 v2 · 2019-05-31 · math.RT · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JIB6775KORKAZ5Q7CK7IIGPYLE}

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	2026-05-17T23:41:17.191535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a03efffaa74540cf61f12be8419f8590d2e71f6c361df100518fceccfdbf59d

Aliases

arxiv: 1906.00106 · arxiv_version: 1906.00106v2 · doi: 10.48550/arxiv.1906.00106 · pith_short_12: JIB6775KORKA · pith_short_16: JIB6775KORKAZ5Q7 · pith_short_8: JIB6775K

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/JIB6775KORKAZ5Q7CK7IIGPYLE \
  | 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: 4a03efffaa74540cf61f12be8419f8590d2e71f6c361df100518fceccfdbf59d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3d7910fae36ae8893d3fef499c8b9af25b89d6f8a6321aa219228a797655172",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2019-05-31T22:19:45Z",
    "title_canon_sha256": "10a808dfb1cc7706b0308ffd5160ba7a3be552dcb829c77af16b39d928aa0ad9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00106",
    "kind": "arxiv",
    "version": 2
  }
}