Pith Number

pith:STH7NTVE

pith:2026:STH7NTVEBIDHA66LIB5ZBO7XT4

not attested not anchored not stored refs pending

On maximal Dynkin friezes

Robin Zhang

arxiv:2606.02870 v1 · 2026-06-01 · math.CO · math.NT · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STH7NTVEBIDHA66LIB5ZBO7XT4}

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	2026-06-03T01:05:25.332011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94cff6cea40a06707bcb407b90bbf79f2dd6ff441a83d3dff24b324fc76ebcbb

Aliases

arxiv: 2606.02870 · arxiv_version: 2606.02870v1 · doi: 10.48550/arxiv.2606.02870 · pith_short_12: STH7NTVEBIDH · pith_short_16: STH7NTVEBIDHA66L · pith_short_8: STH7NTVE

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/STH7NTVEBIDHA66LIB5ZBO7XT4 \
  | 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: 94cff6cea40a06707bcb407b90bbf79f2dd6ff441a83d3dff24b324fc76ebcbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb4ce73d96de7d83e5094ad9b9e1100088d40affce8b88bac192f2f99a1be945",
    "cross_cats_sorted": [
      "math.NT",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-06-01T20:33:20Z",
    "title_canon_sha256": "b3f012485d04e03ade6b8c00f789979bd0fe691b4fa5fa6b6e6fdc0dc54ab94e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02870",
    "kind": "arxiv",
    "version": 1
  }
}