Pith Number

pith:GFFZXMI6

pith:2017:GFFZXMI6O5QYFFJJQAOY7PBYMO

not attested not anchored not stored refs pending

Automorphisms of Danielewski varieties

Sergey A. Gaifullin

arxiv:1709.09237 v1 · 2017-09-26 · 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{GFFZXMI6O5QYFFJJQAOY7PBYMO}

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	2026-05-18T00:34:12.435062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

314b9bb11e7761829529801d8fbc3863859b7ed025987c7349a12ff3ce50aa7f

Aliases

arxiv: 1709.09237 · arxiv_version: 1709.09237v1 · doi: 10.48550/arxiv.1709.09237 · pith_short_12: GFFZXMI6O5QY · pith_short_16: GFFZXMI6O5QYFFJJ · pith_short_8: GFFZXMI6

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/GFFZXMI6O5QYFFJJQAOY7PBYMO \
  | 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: 314b9bb11e7761829529801d8fbc3863859b7ed025987c7349a12ff3ce50aa7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "946b035baccebaf8cd1acd415ac3f55bde619a5515a47122438228e0fb83afa3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-09-26T19:53:51Z",
    "title_canon_sha256": "aa13314b3672b884f39d8a1afa48557dff67dee27c99a8d901a246616c0661a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09237",
    "kind": "arxiv",
    "version": 1
  }
}