Pith Number

pith:GK2WDDHL

pith:2010:GK2WDDHLTMDKP446K6VTJNZ4XA

not attested not anchored not stored refs pending

Enriques manifolds

Keiji Oguiso, Stefan Schroeer

arxiv:1001.4912 v4 · 2010-01-27 · 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{GK2WDDHLTMDKP446K6VTJNZ4XA}

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	2026-05-18T04:28:08.252929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32b5618ceb9b06a7f39e57ab34b73cb826b4678d18748f850ba0a85a00065d6f

Aliases

arxiv: 1001.4912 · arxiv_version: 1001.4912v4 · doi: 10.48550/arxiv.1001.4912 · pith_short_12: GK2WDDHLTMDK · pith_short_16: GK2WDDHLTMDKP446 · pith_short_8: GK2WDDHL

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/GK2WDDHLTMDKP446K6VTJNZ4XA \
  | 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: 32b5618ceb9b06a7f39e57ab34b73cb826b4678d18748f850ba0a85a00065d6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cedfde3cfa43976bfb79a4fdd776b800a98348971b097a32632d9307eb42f086",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-01-27T20:59:26Z",
    "title_canon_sha256": "98d152990c14af71130ebd93e01a0df920c4f67e15fb7980ccbbb70f3396bbbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4912",
    "kind": "arxiv",
    "version": 4
  }
}