Pith Number

pith:5LIRYAEH

pith:2002:5LIRYAEHHZANYVOUCOU36Z7HQB

not attested not anchored not stored refs pending

IIA String Theory on Calabi-Yau Fourfolds with Background Fluxes

Michael Haack, Sergei Gukov

arxiv:hep-th/0203267 v2 · 2002-03-28 · 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{5LIRYAEHHZANYVOUCOU36Z7HQB}

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	2026-05-18T01:38:49.719878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ead11c00873e40dc55d413a9bf67e78045f4151fbf684914a7a2fb976ca423de

Aliases

arxiv: hep-th/0203267 · arxiv_version: hep-th/0203267v2 · doi: 10.48550/arxiv.hep-th/0203267 · pith_short_12: 5LIRYAEHHZAN · pith_short_16: 5LIRYAEHHZANYVOU · pith_short_8: 5LIRYAEH

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/5LIRYAEHHZANYVOUCOU36Z7HQB \
  | 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: ead11c00873e40dc55d413a9bf67e78045f4151fbf684914a7a2fb976ca423de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80aecb6512ad5002b820eec16e414e75301e3157faf2d69040f2b226e52d0b66",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-03-28T09:00:02Z",
    "title_canon_sha256": "21fb9cd24fe1caccf42f544683ec0163530ab15e689431638414c181d585bc41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0203267",
    "kind": "arxiv",
    "version": 2
  }
}