Pith Number

pith:4TNY4SWH

pith:2010:4TNY4SWHGHNEGHUMOZOCKFCDFH

not attested not anchored not stored refs pending

Idempotents in representation rings of quivers

Ralf Schiffler, Ryan Kinser

arxiv:1009.0029 v2 · 2010-08-31 · math.RT · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4TNY4SWHGHNEGHUMOZOCKFCDFH}

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	2026-05-18T03:12:35.399633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4db8e4ac731da431e8c765c25144329c5904ae2417279dcb12d5f164490e4c6

Aliases

arxiv: 1009.0029 · arxiv_version: 1009.0029v2 · doi: 10.48550/arxiv.1009.0029 · pith_short_12: 4TNY4SWHGHNE · pith_short_16: 4TNY4SWHGHNEGHUM · pith_short_8: 4TNY4SWH

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/4TNY4SWHGHNEGHUMOZOCKFCDFH \
  | 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: e4db8e4ac731da431e8c765c25144329c5904ae2417279dcb12d5f164490e4c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c68401fd9d4327e09304e3f6dd9f8a508e102017802f012572193c50c4521c2",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2010-08-31T20:54:59Z",
    "title_canon_sha256": "a7204702e14d6cdbf359d3d772c6d1863486a98ea2d851e1cfb015f48de2ec3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0029",
    "kind": "arxiv",
    "version": 2
  }
}