Pith Number

pith:LNCEPSB4

pith:2018:LNCEPSB4VQN4DELVZADAQCDYWF

not attested not anchored not stored refs pending

Introduction to Cluster Algebras

Dylan Rupel, Max Glick

arxiv:1803.08960 v1 · 2018-03-23 · math.CO · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LNCEPSB4VQN4DELVZADAQCDYWF}

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	2026-05-18T00:20:13.137993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b4447c83cac1bc19175c806080878b14cd4c855435d1578b2b7437c89635ab5

Aliases

arxiv: 1803.08960 · arxiv_version: 1803.08960v1 · doi: 10.48550/arxiv.1803.08960 · pith_short_12: LNCEPSB4VQN4 · pith_short_16: LNCEPSB4VQN4DELV · pith_short_8: LNCEPSB4

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/LNCEPSB4VQN4DELVZADAQCDYWF \
  | 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: 5b4447c83cac1bc19175c806080878b14cd4c855435d1578b2b7437c89635ab5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bff879e1f621d8dbdb8e67392e668e4f60a4da275c4d1b26a10bf3f5bbc5d8c",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-03-23T19:55:51Z",
    "title_canon_sha256": "2c64ea3506c34a27042891ad3b316db67c0345916f7936b907dedda1c9576bd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08960",
    "kind": "arxiv",
    "version": 1
  }
}