Pith Number

pith:AAMCCNV7

pith:2026:AAMCCNV754BJPRKHKANWV3QOHM

not attested not anchored not stored refs pending

Cylinders in Fano threefolds of genus 9 and 10

Nikita Virin

arxiv:2605.30875 v1 · 2026-05-29 · 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{AAMCCNV754BJPRKHKANWV3QOHM}

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	2026-06-01T01:03:22.411696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00182136bfef0297c547501b6aee0e3b213eaac31e2e7aae4835d9ece85e05fe

Aliases

arxiv: 2605.30875 · arxiv_version: 2605.30875v1 · doi: 10.48550/arxiv.2605.30875 · pith_short_12: AAMCCNV754BJ · pith_short_16: AAMCCNV754BJPRKH · pith_short_8: AAMCCNV7

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/AAMCCNV754BJPRKHKANWV3QOHM \
  | 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: 00182136bfef0297c547501b6aee0e3b213eaac31e2e7aae4835d9ece85e05fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfb12d07bc582906dc2a5485d39ecd471c652601120b21a26f4ec7f3fcbd9141",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-05-29T06:03:31Z",
    "title_canon_sha256": "e43beac168e90d112991ce98d20db9548b6465a3c32958290f1e463600026e41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30875",
    "kind": "arxiv",
    "version": 1
  }
}