Pith Number

pith:4EYPLDV2

pith:2023:4EYPLDV2J75C7H2IH4POICORIB

not attested not anchored not stored refs pending

Birationally solid Fano 3-fold hypersurfaces

Takuzo Okada

arxiv:2305.06183 v3 · 2023-05-10 · 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{4EYPLDV2J75C7H2IH4POICORIB}

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 survey on birational Rigidity of threefold Weighted Complete Intersections

Receipt and verification

First computed	2026-07-05T06:49:21.981645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e130f58eba4ffa2f9f483f1ee409d1406e7bd610ea8be6ef0f5537a4f764cacc

Aliases

arxiv: 2305.06183 · arxiv_version: 2305.06183v3 · doi: 10.48550/arxiv.2305.06183 · pith_short_12: 4EYPLDV2J75C · pith_short_16: 4EYPLDV2J75C7H2I · pith_short_8: 4EYPLDV2

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/4EYPLDV2J75C7H2IH4POICORIB \
  | 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: e130f58eba4ffa2f9f483f1ee409d1406e7bd610ea8be6ef0f5537a4f764cacc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bfe707ea2736387c81e280bead5977911bc7df7115aedd9ab24a303dd1cdea7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2023-05-10T14:15:38Z",
    "title_canon_sha256": "00f4789f0d33d8de0b66664cf0f02bd4a304c2b09704f661868fb1f6c1665abf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.06183",
    "kind": "arxiv",
    "version": 3
  }
}