Pith Number

pith:2HETFFER

pith:2010:2HETFFERXEQ7OYTPNCHWUCCRCZ

not attested not anchored not stored refs pending

A Caldero-Chapoton map for infinite clusters

Peter Jorgensen, Yann Palu

arxiv:1004.1343 v2 · 2010-04-08 · 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{2HETFFERXEQ7OYTPNCHWUCCRCZ}

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	2026-05-18T04:41:05.024962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1c9329491b921f7626f688f6a0851164d8daeab2915651bfd67818556a6621a

Aliases

arxiv: 1004.1343 · arxiv_version: 1004.1343v2 · doi: 10.48550/arxiv.1004.1343 · pith_short_12: 2HETFFERXEQ7 · pith_short_16: 2HETFFERXEQ7OYTP · pith_short_8: 2HETFFER

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/2HETFFERXEQ7OYTPNCHWUCCRCZ \
  | 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: d1c9329491b921f7626f688f6a0851164d8daeab2915651bfd67818556a6621a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e50031cde7f2e115b236d767dd0cd1e3472aaf0b753fe8eb820e7344726685c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2010-04-08T14:04:19Z",
    "title_canon_sha256": "2df33656e35b0e996ca2e6a60910618bc61e05efdcd44b0f470a095d2af8758e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1343",
    "kind": "arxiv",
    "version": 2
  }
}