Pith Number

pith:FYPGQZRW

pith:2014:FYPGQZRWG24AOHMNGRZZ2DELAN

not attested not anchored not stored refs pending

A 1-dimensional family of Enriques surfaces in characteristic 2 covered by the supersingular K3 surface with Artin invariant 1

Shigeyuki Kondo, Toshiyuki Katsura

arxiv:1411.3079 v1 · 2014-11-12 · 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{FYPGQZRWG24AOHMNGRZZ2DELAN}

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	2026-05-18T02:37:51.001560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e1e68663636b8071d8d34739d0c8b034fc5e41f2e63d77c229cf3a0b1946d74

Aliases

arxiv: 1411.3079 · arxiv_version: 1411.3079v1 · doi: 10.48550/arxiv.1411.3079 · pith_short_12: FYPGQZRWG24A · pith_short_16: FYPGQZRWG24AOHMN · pith_short_8: FYPGQZRW

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/FYPGQZRWG24AOHMNGRZZ2DELAN \
  | 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: 2e1e68663636b8071d8d34739d0c8b034fc5e41f2e63d77c229cf3a0b1946d74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9209309e0d251d8eaaa67333340ed7267135dd0f97a97931867f0507f8fe8ddd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-11-12T05:47:13Z",
    "title_canon_sha256": "4066d008aa0adab59b6c8dc566656d92f6041201900fc939629da65b13863d25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3079",
    "kind": "arxiv",
    "version": 1
  }
}