Pith Number

pith:XE3FWISG

pith:1999:XE3FWISGBSI5JPRQAXDC4RQBGY

not attested not anchored not stored refs pending

Type I on (Generalized) Voisin-Borcea Orbifolds and Non-perturbative Orientifolds

Zurab Kakushadze

arxiv:hep-th/9904211 v3 · 1999-04-29 · 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{XE3FWISGBSI5JPRQAXDC4RQBGY}

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	2026-05-18T00:53:51.965330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9365b22460c91d4be3005c62e460136031fdd08f8e417cce835f42388e03be9

Aliases

arxiv: hep-th/9904211 · arxiv_version: hep-th/9904211v3 · doi: 10.48550/arxiv.hep-th/9904211 · pith_short_12: XE3FWISGBSI5 · pith_short_16: XE3FWISGBSI5JPRQ · pith_short_8: XE3FWISG

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/XE3FWISGBSI5JPRQAXDC4RQBGY \
  | 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: b9365b22460c91d4be3005c62e460136031fdd08f8e417cce835f42388e03be9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "883c9f68c0a509f7852260f1b9892ba33f70b92ec69694fbe9be4a2dcc7a5348",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-04-29T20:08:28Z",
    "title_canon_sha256": "4076b7028f195f8faacc03987387fbf4a4eaf03b87783417ce75429a5ce4e606"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9904211",
    "kind": "arxiv",
    "version": 3
  }
}