Pith Number

pith:2CJDP4Y2

pith:2004:2CJDP4Y2GR4BX3H6MUO5XWWLMY

not attested not anchored not stored refs pending

Topological String Amplitudes, Complete Intersection Calabi-Yau Spaces and Threshold Corrections

A. Klemm, E. Riegler, E. Scheidegger, M. Kreuzer

arxiv:hep-th/0410018 v2 · 2004-10-01 · hep-th · math.AG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2CJDP4Y2GR4BX3H6MUO5XWWLMY}

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	2026-07-04T16:49:02.587269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d09237f31a34781becfe651ddbdacb661bad8da6d9d79c9e624c867a95ef21f7

Aliases

arxiv: hep-th/0410018 · arxiv_version: hep-th/0410018v2 · doi: 10.48550/arxiv.hep-th/0410018 · pith_short_12: 2CJDP4Y2GR4B · pith_short_16: 2CJDP4Y2GR4BX3H6 · pith_short_8: 2CJDP4Y2

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/2CJDP4Y2GR4BX3H6MUO5XWWLMY \
  | 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: d09237f31a34781becfe651ddbdacb661bad8da6d9d79c9e624c867a95ef21f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d75c63d2d9d2ca6ebd700ffcc32d8c07766af9e15f45dafabf5c98ff0833ed3",
    "cross_cats_sorted": [
      "math.AG",
      "math.SG"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-10-01T20:53:04Z",
    "title_canon_sha256": "d0d4867340e2145c1d88f81946d7a0535f65626ed64d2713fa4f1427329c410b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0410018",
    "kind": "arxiv",
    "version": 2
  }
}