Pith Number

pith:2KZSPP4Q

pith:2013:2KZSPP4QYYO5EXIDC2JSYUKDKB

not attested not anchored not stored refs pending

Desingularizations of quiver Grassmannians via graded quiver varieties

Bernhard Keller, Sarah Scherotzke

arxiv:1305.7502 v1 · 2013-05-31 · math.AG · 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{2KZSPP4QYYO5EXIDC2JSYUKDKB}

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	2026-05-18T03:22:06.748696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2b327bf90c61dd25d0316932c5143507d3bfeae8fc23f3afdf02cac85c16871

Aliases

arxiv: 1305.7502 · arxiv_version: 1305.7502v1 · doi: 10.48550/arxiv.1305.7502 · pith_short_12: 2KZSPP4QYYO5 · pith_short_16: 2KZSPP4QYYO5EXID · pith_short_8: 2KZSPP4Q

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/2KZSPP4QYYO5EXIDC2JSYUKDKB \
  | 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: d2b327bf90c61dd25d0316932c5143507d3bfeae8fc23f3afdf02cac85c16871

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "797c624a4e304b1b3cc93197fd97620431530391f1c51b38ed5bb62d179436e4",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-05-31T18:44:42Z",
    "title_canon_sha256": "9fc4384fca1cc9a5ae6378137995c564b1c0a8e67b8950a3a198e9b9bfdc43ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.7502",
    "kind": "arxiv",
    "version": 1
  }
}