Pith Number

pith:SLMFZCS7

pith:2011:SLMFZCS734BOUIZURB2AMPBB6V

not attested not anchored not stored refs pending

Positivity in skew-symmetric cluster algebras of finite type

Giovanni Cerulli Irelli

arxiv:1102.3050 v2 · 2011-02-15 · math.RA · 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{SLMFZCS734BOUIZURB2AMPBB6V}

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	2026-05-18T04:28:21.286380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92d85c8a5fdf02ea23348874063c21f57aa7c1c369f2f327be4f0e058d934452

Aliases

arxiv: 1102.3050 · arxiv_version: 1102.3050v2 · doi: 10.48550/arxiv.1102.3050 · pith_short_12: SLMFZCS734BO · pith_short_16: SLMFZCS734BOUIZU · pith_short_8: SLMFZCS7

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/SLMFZCS734BOUIZURB2AMPBB6V \
  | 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: 92d85c8a5fdf02ea23348874063c21f57aa7c1c369f2f327be4f0e058d934452

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75093afd9c50ab679639fd74805d64dfd6d7968eb0fd95fed0df317f648101bc",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2011-02-15T12:34:48Z",
    "title_canon_sha256": "2ebc903648bdd34881a9e227d868e9e4df3a4fe23c5b1787f93535442fccd1c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3050",
    "kind": "arxiv",
    "version": 2
  }
}