Pith Number

pith:ET7TWMFC

pith:2013:ET7TWMFCHDZEPXEJUGBRUT4EDS

not attested not anchored not stored refs pending

Stable pairs on nodal K3 fibrations

Amin Gholampour, Artan Sheshmani, Yukinobu Toda

arxiv:1308.4722 v5 · 2013-08-21 · 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{ET7TWMFCHDZEPXEJUGBRUT4EDS}

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	2026-05-18T00:40:34.007323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24ff3b30a238f247dc89a1831a4f841c82a75c20519f8db365899713b2f9b303

Aliases

arxiv: 1308.4722 · arxiv_version: 1308.4722v5 · doi: 10.48550/arxiv.1308.4722 · pith_short_12: ET7TWMFCHDZE · pith_short_16: ET7TWMFCHDZEPXEJ · pith_short_8: ET7TWMFC

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/ET7TWMFCHDZEPXEJUGBRUT4EDS \
  | 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: 24ff3b30a238f247dc89a1831a4f841c82a75c20519f8db365899713b2f9b303

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ab53a8914b7ce72c613d56f562bcf9cfc76961e86d981f066b7a152e7757226",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-08-21T21:38:08Z",
    "title_canon_sha256": "06cc4ce140ab1747855910467097d20fd9795d161cef8f493dd474be50a3a7de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4722",
    "kind": "arxiv",
    "version": 5
  }
}