Pith Number

pith:XIUXWYUO

pith:2008:XIUXWYUOWQB5OJH4IEPPQOSFB2

not attested not anchored not stored refs pending

Breaking GUT Groups in F-Theory

Martijn Wijnholt, Ron Donagi

arxiv:0808.2223 v2 · 2008-08-17 · 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{XIUXWYUOWQB5OJH4IEPPQOSFB2}

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	2026-05-18T03:03:55.551778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba297b628eb403d724fc411ef83a450eb15bf874bf9f9e7f0daa633e6f1a6311

Aliases

arxiv: 0808.2223 · arxiv_version: 0808.2223v2 · doi: 10.48550/arxiv.0808.2223 · pith_short_12: XIUXWYUOWQB5 · pith_short_16: XIUXWYUOWQB5OJH4 · pith_short_8: XIUXWYUO

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/XIUXWYUOWQB5OJH4IEPPQOSFB2 \
  | 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: ba297b628eb403d724fc411ef83a450eb15bf874bf9f9e7f0daa633e6f1a6311

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6433056a7dc6dd030a46f956fb04a3c3e347cc03e5e404fe07b8bf0ee93f6ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-08-17T16:50:00Z",
    "title_canon_sha256": "75213c755ca2b98b3594fd65359b63c9e122cb54dc4a07d4b8b37431d32c8e6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.2223",
    "kind": "arxiv",
    "version": 2
  }
}