Pith Number

pith:BWTJLKJG

pith:2015:BWTJLKJGXQAN6SUC7HXMAETFSF

not attested not anchored not stored refs pending

Effective Matsusaka's Theorem for surfaces in characteristic p

Andrea Fanelli, Gabriele Di Cerbo

arxiv:1501.07299 v2 · 2015-01-28 · 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{BWTJLKJGXQAN6SUC7HXMAETFSF}

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	2026-05-18T01:22:21.467529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0da695a926bc00df4a82f9eec0126591504cc8ef85323f287e0345f1c6f846aa

Aliases

arxiv: 1501.07299 · arxiv_version: 1501.07299v2 · doi: 10.48550/arxiv.1501.07299 · pith_short_12: BWTJLKJGXQAN · pith_short_16: BWTJLKJGXQAN6SUC · pith_short_8: BWTJLKJG

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/BWTJLKJGXQAN6SUC7HXMAETFSF \
  | 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: 0da695a926bc00df4a82f9eec0126591504cc8ef85323f287e0345f1c6f846aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1b499062d2d32c138ed5317c2c850cf6250ac98daa7765128307977c5b7def1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-01-28T22:07:22Z",
    "title_canon_sha256": "794d9c1590a39a9ac36b9240113fc6432014cc13b5d37f546d68d4893f17c225"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07299",
    "kind": "arxiv",
    "version": 2
  }
}