Pith Number

pith:QM6S323R

pith:2017:QM6S323RJROS3VJ7CY5YSMTZZ4

not attested not anchored not stored refs pending

Classification of Enriques surfaces with finite automorphism group in characteristic 2

Gebhard Martin, Shigeyuki Kondo, Toshiyuki Katsura

arxiv:1703.09609 v3 · 2017-03-28 · 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{QM6S323RJROS3VJ7CY5YSMTZZ4}

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	2026-05-17T23:46:04.616952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

833d2deb714c5d2dd53f163b893279cf32f425a9bca123973fc028767630af11

Aliases

arxiv: 1703.09609 · arxiv_version: 1703.09609v3 · doi: 10.48550/arxiv.1703.09609 · pith_short_12: QM6S323RJROS · pith_short_16: QM6S323RJROS3VJ7 · pith_short_8: QM6S323R

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/QM6S323RJROS3VJ7CY5YSMTZZ4 \
  | 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: 833d2deb714c5d2dd53f163b893279cf32f425a9bca123973fc028767630af11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cef2adff9341cbf6e78c6ae83a06d6183246c81cd10ade7530b69d0c62552cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-03-28T14:46:50Z",
    "title_canon_sha256": "6dd7d6f8d8cbb690573d156d386549913da1e08b3ff46826c024e58a856e3af6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09609",
    "kind": "arxiv",
    "version": 3
  }
}