Pith Number

pith:6LQPBXNW

pith:2025:6LQPBXNWMKCXEXFMS6RDXDVW5C

not attested not anchored not stored refs pending

2-periodic frieze patterns

Alastair King, Toril Palaniappan

arxiv:2506.23959 v1 · 2025-06-30 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6LQPBXNWMKCXEXFMS6RDXDVW5C}

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	2026-07-05T11:29:30.788035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2e0f0ddb66285725cac97a23b8eb6e8942732980c16f7400c02eec310fc3834

Aliases

arxiv: 2506.23959 · arxiv_version: 2506.23959v1 · doi: 10.48550/arxiv.2506.23959 · pith_short_12: 6LQPBXNWMKCX · pith_short_16: 6LQPBXNWMKCXEXFM · pith_short_8: 6LQPBXNW

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/6LQPBXNWMKCXEXFMS6RDXDVW5C \
  | 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: f2e0f0ddb66285725cac97a23b8eb6e8942732980c16f7400c02eec310fc3834

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ed94b6d241aeee21f5ce479879d91bb8a67b65551034be5517840892e69cc5e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2025-06-30T15:26:39Z",
    "title_canon_sha256": "ef962f3b4b1b3a8dcfd8cfddd98762e171797546d2226b29607bc788b9390d39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.23959",
    "kind": "arxiv",
    "version": 1
  }
}