Pith Number

pith:X36GSNZM

pith:2025:X36GSNZM2IYE4CFY4USNJMAIDK

not attested not anchored not stored refs pending

Hodge numbers of a Fano eightfold of K3 type

Vanja Zuliani

arxiv:2512.14249 v2 · 2025-12-16 · 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{X36GSNZM2IYE4CFY4USNJMAIDK}

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	2026-07-17T01:20:41.866952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

befc69372cd2304e08b8e524d4b0081aa0546935485bf93a72ef6dd1e4792ee7

Aliases

arxiv: 2512.14249 · arxiv_version: 2512.14249v2 · doi: 10.48550/arxiv.2512.14249 · pith_short_12: X36GSNZM2IYE · pith_short_16: X36GSNZM2IYE4CFY · pith_short_8: X36GSNZM

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/X36GSNZM2IYE4CFY4USNJMAIDK \
  | 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: befc69372cd2304e08b8e524d4b0081aa0546935485bf93a72ef6dd1e4792ee7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d69bedb95d1301c83362bc02ddd97ffa53c8eca0977c2ec101b98f04b5deb92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-12-16T09:57:58Z",
    "title_canon_sha256": "beba0b413990b2f737c341f1bd884b0b2582bf33ff9be8aa2ccb3964722b1fed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.14249",
    "kind": "arxiv",
    "version": 2
  }
}