pith. sign in
Pith Number

pith:4CA7GHDN

pith:2015:4CA7GHDNKPMFRXKB7XX6YDLB3C
not attested not anchored not stored refs pending

Yangian-invariant spin models and Fibonacci numbers

Artemio Gonzalez-Lopez, Federico Finkel

arxiv:1501.05223 v2 · 2015-01-21 · math-ph · math.CO · math.MP · nlin.SI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4CA7GHDNKPMFRXKB7XX6YDLB3C}

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 2026-05-18T01:35:32.494051Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e081f31c6d53d858dd41fdefec0d61d89b4ec13a55d264bfec66d67527beea72

Aliases

arxiv: 1501.05223 · arxiv_version: 1501.05223v2 · doi: 10.48550/arxiv.1501.05223 · pith_short_12: 4CA7GHDNKPMF · pith_short_16: 4CA7GHDNKPMFRXKB · pith_short_8: 4CA7GHDN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4CA7GHDNKPMFRXKB7XX6YDLB3C \
  | 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: e081f31c6d53d858dd41fdefec0d61d89b4ec13a55d264bfec66d67527beea72
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8e523020b2a677a39ffb19da8e4782b1cda6d6ad1c718f101141299a0d090d5a",
    "cross_cats_sorted": [
      "math.CO",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-01-21T16:41:12Z",
    "title_canon_sha256": "3b1515057b0a066c81337763da0ac0cf78c54e98aa9d48f5d363a5d418e85d04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05223",
    "kind": "arxiv",
    "version": 2
  }
}