Pith Number

pith:ZLWANVCW

pith:1998:ZLWANVCWJG4F7QFCQZTVJC2DR4

not attested not anchored not stored refs pending

The Holomorphic Anomaly of Topological Strings

Camillo Imbimbo, Carlo Becchi, Stefano Giusto

arxiv:hep-th/9801100 v1 · 1998-01-15 · 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{ZLWANVCWJG4F7QFCQZTVJC2DR4}

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	2026-05-18T01:38:37.087922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caec06d45649b85fc0a28667548b438f3c863ce36a9ff7dc6e747d508e52c770

Aliases

arxiv: hep-th/9801100 · arxiv_version: hep-th/9801100v1 · doi: 10.48550/arxiv.hep-th/9801100 · pith_short_12: ZLWANVCWJG4F · pith_short_16: ZLWANVCWJG4F7QFC · pith_short_8: ZLWANVCW

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/ZLWANVCWJG4F7QFCQZTVJC2DR4 \
  | 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: caec06d45649b85fc0a28667548b438f3c863ce36a9ff7dc6e747d508e52c770

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3986bddda4af536be42881696f37997ddf31cc66dbac4811fcb6bc1029b55e3c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1998-01-15T10:48:48Z",
    "title_canon_sha256": "ad935548c8429f4223f6a0306a7072872a5a8e8db278695d5d3b41931654dfa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9801100",
    "kind": "arxiv",
    "version": 1
  }
}