Pith Number

pith:OTWZOSC3

pith:2013:OTWZOSC3BOPLFBXB4F5TXZQKIZ

not attested not anchored not stored refs pending

The tame automorphism group of an affine quadric threefold acting on a square complex

Cinzia Bisi, Jean-Philippe Furter, St\'ephane Lamy

arxiv:1312.6153 v3 · 2013-12-20 · math.GR · 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{OTWZOSC3BOPLFBXB4F5TXZQKIZ}

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	2026-05-18T00:16:03.423371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74ed97485b0b9eb286e1e17b3be60a465d4f97f26f75c7c32ffcf77b8131a764

Aliases

arxiv: 1312.6153 · arxiv_version: 1312.6153v3 · doi: 10.48550/arxiv.1312.6153 · pith_short_12: OTWZOSC3BOPL · pith_short_16: OTWZOSC3BOPLFBXB · pith_short_8: OTWZOSC3

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/OTWZOSC3BOPLFBXB4F5TXZQKIZ \
  | 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: 74ed97485b0b9eb286e1e17b3be60a465d4f97f26f75c7c32ffcf77b8131a764

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4d1c7954bdfdf8c78d30b37a83fd20ea9ad8d372675b357d3e92a8995b33ef1",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2013-12-20T21:39:25Z",
    "title_canon_sha256": "79f7abd5053c371a6f4aac0f1c56f1ffedee166f60fb784a036bd522ad28de6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6153",
    "kind": "arxiv",
    "version": 3
  }
}