Pith Number

pith:Y54PY3C4

pith:2009:Y54PY3C4XPDJ4Y2AIVENMOZWR6

not attested not anchored not stored refs pending

Non-algebraic compact K\"ahler threefolds admitting endomorphisms

Andreas H\"oring, Thomas Peternell

arxiv:0907.3558 v2 · 2009-07-21 · math.AG · math.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y54PY3C4XPDJ4Y2AIVENMOZWR6}

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	2026-05-18T00:31:00.826102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c778fc6c5cbbc69e63404548d63b368f83ea2c94180e090baab0bf6e1c333712

Aliases

arxiv: 0907.3558 · arxiv_version: 0907.3558v2 · doi: 10.48550/arxiv.0907.3558 · pith_short_12: Y54PY3C4XPDJ · pith_short_16: Y54PY3C4XPDJ4Y2A · pith_short_8: Y54PY3C4

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/Y54PY3C4XPDJ4Y2AIVENMOZWR6 \
  | 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: c778fc6c5cbbc69e63404548d63b368f83ea2c94180e090baab0bf6e1c333712

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d33a691ac5a9b5934e0d047c407986b701b61df26a3de8cc6e6c9890423dca4",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2009-07-21T07:25:10Z",
    "title_canon_sha256": "c74af1a6906b4279b92b64e97adc2bfe30e81fe4c8da2a5ba749794fdd2725d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3558",
    "kind": "arxiv",
    "version": 2
  }
}