Pith Number

pith:RP7VHVKV

pith:2002:RP7VHVKVEIWZLEHBGCSOPIIY54

not attested not anchored not stored refs pending

Unhiggsing the del Pezzo

Amihay Hanany, Bo Feng, Sebastian Franco, Yang-Hui He

arxiv:hep-th/0209228 v1 · 2002-09-26 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RP7VHVKVEIWZLEHBGCSOPIIY54}

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	2026-05-18T04:34:17.309993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bff53d555222d9590e130a4e7a118ef1b5601c6324b7fe370418239111e2600

Aliases

arxiv: hep-th/0209228 · arxiv_version: hep-th/0209228v1 · doi: 10.48550/arxiv.hep-th/0209228 · pith_short_12: RP7VHVKVEIWZ · pith_short_16: RP7VHVKVEIWZLEHB · pith_short_8: RP7VHVKV

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/RP7VHVKVEIWZLEHBGCSOPIIY54 \
  | 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: 8bff53d555222d9590e130a4e7a118ef1b5601c6324b7fe370418239111e2600

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ddb7ec96026b1b11285f12fcab529fee6e209143049fe8c0f12a0160e6b0a75",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-09-26T19:23:19Z",
    "title_canon_sha256": "329330719488b89af09d6771ec1ca0cc18bba6414911a6c28460810e05ebc9c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0209228",
    "kind": "arxiv",
    "version": 1
  }
}