Pith Number

pith:UP5AK2P6

pith:2010:UP5AK2P62AWEXMURY5BCP4NBDF

not attested not anchored not stored refs pending

Periods of Enriques Manifolds

Keiji Oguiso, Stefan Schroeer

arxiv:1010.0820 v3 · 2010-10-05 · 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{UP5AK2P62AWEXMURY5BCP4NBDF}

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	2026-05-18T04:28:08.022675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3fa0569fed02c4bb291c74227f1a11967be0b117babe8a3e80959d90fab208a

Aliases

arxiv: 1010.0820 · arxiv_version: 1010.0820v3 · doi: 10.48550/arxiv.1010.0820 · pith_short_12: UP5AK2P62AWE · pith_short_16: UP5AK2P62AWEXMUR · pith_short_8: UP5AK2P6

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/UP5AK2P62AWEXMURY5BCP4NBDF \
  | 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: a3fa0569fed02c4bb291c74227f1a11967be0b117babe8a3e80959d90fab208a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "316d9e5be22a31fde55201d96b8a09a7220ca56fb631aeff52c390e7ab81e7f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-10-05T09:57:31Z",
    "title_canon_sha256": "0e754e3c001b3e0a7406654860c2b86fd04d00a7c6cdd9888514c3530f693f0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0820",
    "kind": "arxiv",
    "version": 3
  }
}