Pith Number

pith:BF4EW2MU

pith:2006:BF4EW2MUA2JMIWRCKERM3TJTB4

not attested not anchored not stored refs pending

The Combinatorics of Quiver Representations

Harm Derksen, Jerzy Weyman

arxiv:math/0608288 v2 · 2006-08-11 · math.RT · math.AC · math.AG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BF4EW2MUA2JMIWRCKERM3TJTB4}

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	2026-05-18T04:08:53.322896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09784b69940692c45a225122cdcd330f2615e319367007baf13a5fe0a36a6b15

Aliases

arxiv: math/0608288 · arxiv_version: math/0608288v2 · doi: 10.48550/arxiv.math/0608288 · pith_short_12: BF4EW2MUA2JM · pith_short_16: BF4EW2MUA2JMIWRC · pith_short_8: BF4EW2MU

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/BF4EW2MUA2JMIWRCKERM3TJTB4 \
  | 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: 09784b69940692c45a225122cdcd330f2615e319367007baf13a5fe0a36a6b15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52995f5a2ea900ac208c5ccb40c1882b383f8f5330bd621876e7ab036fa80189",
    "cross_cats_sorted": [
      "math.AC",
      "math.AG",
      "math.CO"
    ],
    "license": "",
    "primary_cat": "math.RT",
    "submitted_at": "2006-08-11T17:44:55Z",
    "title_canon_sha256": "83b1bf6ac5451a1b2f3f1fb1d4af8782f781daa25680b62eb920924c6869e436"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0608288",
    "kind": "arxiv",
    "version": 2
  }
}