Pith Number

pith:KKIG7OU5

pith:2013:KKIG7OU5NAGAUF6IR4KZ7CVCQZ

not attested not anchored not stored refs pending

A categorification of Grassmannian cluster algebras

Alastair King, Bernt Tore Jensen, Xiuping Su

arxiv:1309.7301 v3 · 2013-09-27 · 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{KKIG7OU5NAGAUF6IR4KZ7CVCQZ}

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	2026-05-18T00:44:29.449688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52906fba9d680c0a17c88f159f8aa286773444ba189eec893e7f950d0ed51e78

Aliases

arxiv: 1309.7301 · arxiv_version: 1309.7301v3 · doi: 10.48550/arxiv.1309.7301 · pith_short_12: KKIG7OU5NAGA · pith_short_16: KKIG7OU5NAGAUF6I · pith_short_8: KKIG7OU5

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/KKIG7OU5NAGAUF6IR4KZ7CVCQZ \
  | 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: 52906fba9d680c0a17c88f159f8aa286773444ba189eec893e7f950d0ed51e78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71c9c91ad78623b065edf8077f93705de7ce2929a0381f9c9dcac3da5b4a012e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2013-09-27T17:22:01Z",
    "title_canon_sha256": "12ec822950cad7247d8b8b021dfb6a441c16e736acabe2d38ff8c22c062a6042"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7301",
    "kind": "arxiv",
    "version": 3
  }
}