Pith Number

pith:47PNO3XS

pith:2013:47PNO3XSLHIMPQ6SCQKF6O6SSQ

not attested not anchored not stored refs pending

Counting curves on surfaces in Calabi-Yau 3-folds

Amin Gholampour, Artan Sheshmani, R. P. Thomas

arxiv:1309.0051 v3 · 2013-08-31 · math.AG · 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{47PNO3XSLHIMPQ6SCQKF6O6SSQ}

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	2026-05-18T01:48:06.921831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7ded76ef259d0c7c3d214145f3bd294065c6116ca3b41cefde47880fc619c7a

Aliases

arxiv: 1309.0051 · arxiv_version: 1309.0051v3 · doi: 10.48550/arxiv.1309.0051 · pith_short_12: 47PNO3XSLHIM · pith_short_16: 47PNO3XSLHIMPQ6S · pith_short_8: 47PNO3XS

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/47PNO3XSLHIMPQ6SCQKF6O6SSQ \
  | 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: e7ded76ef259d0c7c3d214145f3bd294065c6116ca3b41cefde47880fc619c7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce40e31721c25e96bb4c3509f29ed80f123b3b8ff35d5ca98c0d5c81c6d09370",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-08-31T01:12:56Z",
    "title_canon_sha256": "f71c55950ce80615dfd6f052523c870116eafb51cc6b720e92b6f5e5bf4028bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0051",
    "kind": "arxiv",
    "version": 3
  }
}