Pith Number

pith:BVDMTI4U

pith:2025:BVDMTI4UUAYLRWDDVZ5IB5W6W5

not attested not anchored not stored refs pending

Smooth Fano 3-folds satisfying Condition (A)

Frederic Mangolte, Hamid Abban, Ivan Cheltsov, Takashi Kishimoto

arxiv:2505.13684 v1 · 2025-05-19 · 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{BVDMTI4UUAYLRWDDVZ5IB5W6W5}

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.

Cited by

1 paper in Pith

A rationality criterion for real Fano threefolds

Receipt and verification

First computed	2026-07-05T11:05:49.563669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d46c9a394a030b8d863ae7a80f6deb75fda7a1250469b969eafe89c2a9864f1

Aliases

arxiv: 2505.13684 · arxiv_version: 2505.13684v1 · doi: 10.48550/arxiv.2505.13684 · pith_short_12: BVDMTI4UUAYL · pith_short_16: BVDMTI4UUAYLRWDD · pith_short_8: BVDMTI4U

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/BVDMTI4UUAYLRWDDVZ5IB5W6W5 \
  | 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: 0d46c9a394a030b8d863ae7a80f6deb75fda7a1250469b969eafe89c2a9864f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2759b6b3dc125982e5203788873c8e2ad86403d27dc5e70b1aaff8e2354e7253",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-05-19T19:32:56Z",
    "title_canon_sha256": "0396f91c99577555d9472786fb1b4d8f44d6b75b79af5dbb9c1ca25073fff8e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.13684",
    "kind": "arxiv",
    "version": 1
  }
}