Pith Number

pith:IQ7WI7K7

pith:2025:IQ7WI7K743COMULOQIB4DFNI3L

not attested not anchored not stored refs pending

Conjugacy classes of linear actions in the plane Cremona group

Ivan Cheltsov, Yuri Tschinkel, Zhijia Zhang

arxiv:2508.09929 v1 · 2025-08-13 · 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{IQ7WI7K743COMULOQIB4DFNI3L}

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

The massive one-loop four-point string amplitude in pure spinor superspace

Receipt and verification

First computed	2026-07-05T11:53:24.517572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

443f647d5fe6c4e6516e8203c195a8daef19b14287f640d6a01fd00cd1a45894

Aliases

arxiv: 2508.09929 · arxiv_version: 2508.09929v1 · doi: 10.48550/arxiv.2508.09929 · pith_short_12: IQ7WI7K743CO · pith_short_16: IQ7WI7K743COMULO · pith_short_8: IQ7WI7K7

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/IQ7WI7K743COMULOQIB4DFNI3L \
  | 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: 443f647d5fe6c4e6516e8203c195a8daef19b14287f640d6a01fd00cd1a45894

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d956e2debc9b7f408b267300ae3216265e77f5669fd86c2151858f2c0c921d27",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-08-13T16:29:32Z",
    "title_canon_sha256": "c30fa9d39eb93e5f26d01ad3c6f56654cf2a5947523fd5af068767436aa98381"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.09929",
    "kind": "arxiv",
    "version": 1
  }
}