Pith Number

pith:VLJ4N4OX

pith:2014:VLJ4N4OXOYOOFZ4QU3N6XOUGTF

not attested not anchored not stored refs pending

A finiteness theorem for the Brauer group of K3 surfaces in odd characteristic

Alexei N. Skorobogatov, Yuri G. Zarhin

arxiv:1403.0849 v1 · 2014-03-04 · math.AG · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VLJ4N4OXOYOOFZ4QU3N6XOUGTF}

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	2026-05-18T02:57:15.509335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aad3c6f1d7761ce2e790a6dbebba869960e937cff478d5f0e8765fd900b5bab0

Aliases

arxiv: 1403.0849 · arxiv_version: 1403.0849v1 · doi: 10.48550/arxiv.1403.0849 · pith_short_12: VLJ4N4OXOYOO · pith_short_16: VLJ4N4OXOYOOFZ4Q · pith_short_8: VLJ4N4OX

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/VLJ4N4OXOYOOFZ4QU3N6XOUGTF \
  | 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: aad3c6f1d7761ce2e790a6dbebba869960e937cff478d5f0e8765fd900b5bab0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b0831fb3251361b66701027f284989b64518aae1ef59b6d41b69f53f7a875a7",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-03-04T16:40:54Z",
    "title_canon_sha256": "005d721b59a3187ff311d339c1121c9cc67b0047c8ba3bfc7ce2bb787a4ed3dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0849",
    "kind": "arxiv",
    "version": 1
  }
}