Pith Number

pith:WYYSRY7T

pith:2024:WYYSRY7TPSEYCRVWYEOTYORBVR

not attested not anchored not stored refs pending

Equivariant geometry of singular cubic threefolds

Ivan Cheltsov, Yuri Tschinkel, Zhijia Zhang

arxiv:2401.10974 v2 · 2024-01-19 · 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{WYYSRY7TPSEYCRVWYEOTYORBVR}

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

Linearization problem for finite subgroups of the plane Cremona group

Receipt and verification

First computed	2026-07-05T09:56:49.527026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b63128e3f37c898146b6c11d3c3a21ac77e04f6cef96b26f1792c0c7f76d9cda

Aliases

arxiv: 2401.10974 · arxiv_version: 2401.10974v2 · doi: 10.48550/arxiv.2401.10974 · pith_short_12: WYYSRY7TPSEY · pith_short_16: WYYSRY7TPSEYCRVW · pith_short_8: WYYSRY7T

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/WYYSRY7TPSEYCRVWYEOTYORBVR \
  | 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: b63128e3f37c898146b6c11d3c3a21ac77e04f6cef96b26f1792c0c7f76d9cda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33b07201acb20c8f07cec693f9186ded9e34a18107925e3d965e5b017cd7ba0e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2024-01-19T18:49:42Z",
    "title_canon_sha256": "66468aeae166390070756d767a019466e307b9f2f83dedf5ba19743b8510791d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.10974",
    "kind": "arxiv",
    "version": 2
  }
}