Pith Number

pith:KG54TDL2

pith:2010:KG54TDL256SQMD2IM6VQ7I3V2P

not attested not anchored not stored refs pending

Calabi-Yau manifolds from pairs of non-compact Calabi-Yau manifolds

Nam-Hoon Lee

arxiv:1004.1858 v1 · 2010-04-12 · hep-th · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KG54TDL256SQMD2IM6VQ7I3V2P}

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	2026-05-18T02:33:34.540331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51bbc98d7aefa5060f4867ab0fa375d3eac4aa68acd8e68d40d74b95d93406e1

Aliases

arxiv: 1004.1858 · arxiv_version: 1004.1858v1 · doi: 10.48550/arxiv.1004.1858 · pith_short_12: KG54TDL256SQ · pith_short_16: KG54TDL256SQMD2I · pith_short_8: KG54TDL2

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/KG54TDL256SQMD2IM6VQ7I3V2P \
  | 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: 51bbc98d7aefa5060f4867ab0fa375d3eac4aa68acd8e68d40d74b95d93406e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e86f9dd491158e42110cd0eed4f0d9bfb95dbe7c1d857158dad15f12f134c34",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-04-12T00:17:12Z",
    "title_canon_sha256": "4b2f7bf74b0c76a2d54fec846d399752ba4381d33f807861291a69b2315c805b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1858",
    "kind": "arxiv",
    "version": 1
  }
}