Pith Number

pith:FUGHLV47

pith:2026:FUGHLV47TBALJDS443VRZ7NRMP

not attested not anchored not stored refs pending

Amicable Lattice Rhombuses are Amicable

Bohdan Biekietov, Iwan Praton, Weiran Zeng

arxiv:2605.20093 v1 · 2026-05-19 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUGHLV47TBALJDS443VRZ7NRMP}

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	2026-05-20T02:06:01.811507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d0c75d79f9840b48e5ce6eb1cfdb163c7813bf2775aeaf555b71bda751f1fdd

Aliases

arxiv: 2605.20093 · arxiv_version: 2605.20093v1 · doi: 10.48550/arxiv.2605.20093 · pith_short_12: FUGHLV47TBAL · pith_short_16: FUGHLV47TBALJDS4 · pith_short_8: FUGHLV47

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/FUGHLV47TBALJDS443VRZ7NRMP \
  | 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: 2d0c75d79f9840b48e5ce6eb1cfdb163c7813bf2775aeaf555b71bda751f1fdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d47a81744d19542f7d94b6024bb452ac0623dad6055dfc69e1568db424ea13c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2026-05-19T16:48:15Z",
    "title_canon_sha256": "310939931f3de069fe2a814f15ad43d130d2f3cec66e72b9860dd603faaa318e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20093",
    "kind": "arxiv",
    "version": 1
  }
}