Pith Number

pith:GSZZDICC

pith:2006:GSZZDICCIQRBOMK73BKZTX6JOJ

not attested not anchored not stored refs pending

Del Pezzo surfaces and representation theory

Alexei Skorobogatov, Vera Serganova

arxiv:math/0611737 v2 · 2006-11-23 · 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{GSZZDICCIQRBOMK73BKZTX6JOJ}

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	2026-07-04T15:11:53.161655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34b391a042442217315fd85599dfc972498bd6e38225edef9e81a4560185c1fa

Aliases

arxiv: math/0611737 · arxiv_version: math/0611737v2 · doi: 10.48550/arxiv.math/0611737 · pith_short_12: GSZZDICCIQRB · pith_short_16: GSZZDICCIQRBOMK7 · pith_short_8: GSZZDICC

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/GSZZDICCIQRBOMK73BKZTX6JOJ \
  | 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: 34b391a042442217315fd85599dfc972498bd6e38225edef9e81a4560185c1fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cb63430ac586ef3df3b1cdff823608695761fb5d6d506420b9551bcc0c6ed38",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2006-11-23T17:45:21Z",
    "title_canon_sha256": "13e55835c41d3e832e3b55a6158b916169248b92f9b5629e0932369221247be0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0611737",
    "kind": "arxiv",
    "version": 2
  }
}