Pith Number

pith:GMEAV4EV

pith:2017:GMEAV4EVS46Y3K6NHAAD2BUMQA

not attested not anchored not stored refs pending

Enriques' classification in characteristic $ p >0$ : the $P_{12}$-Theorem

Binru Li (Universitaet Bayreuth), Fabrizio Catanese

arxiv:1703.00293 v2 · 2017-03-01 · 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{GMEAV4EVS46Y3K6NHAAD2BUMQA}

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	2026-05-18T00:48:09.184279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33080af095973d8dabcd38003d068c801d87dae5e1feaaac1d62fab03db55c3b

Aliases

arxiv: 1703.00293 · arxiv_version: 1703.00293v2 · doi: 10.48550/arxiv.1703.00293 · pith_short_12: GMEAV4EVS46Y · pith_short_16: GMEAV4EVS46Y3K6N · pith_short_8: GMEAV4EV

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/GMEAV4EVS46Y3K6NHAAD2BUMQA \
  | 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: 33080af095973d8dabcd38003d068c801d87dae5e1feaaac1d62fab03db55c3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13bc1913f0118088704910170062bf7afbff4a96a88718430e5cdacf874ecc4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-03-01T13:38:49Z",
    "title_canon_sha256": "41cc6dc9fe0b8d395d3fd15d2964734e2c8132bf71e90b27670d33a8a6e3acce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00293",
    "kind": "arxiv",
    "version": 2
  }
}