Pith Number

pith:LASFVNX6

pith:2012:LASFVNX6QBP6QI72SK6WLETIZR

not attested not anchored not stored refs pending

Tower of coverings of quasi-projective varieties

Sai-Kee Yeung

arxiv:1204.5779 v1 · 2012-04-25 · 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{LASFVNX6QBP6QI72SK6WLETIZR}

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	2026-05-18T03:56:59.626521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58245ab6fe805fe823fa92bd659268cc5d4fa7efc97bada8f12aa502f32c5073

Aliases

arxiv: 1204.5779 · arxiv_version: 1204.5779v1 · doi: 10.48550/arxiv.1204.5779 · pith_short_12: LASFVNX6QBP6 · pith_short_16: LASFVNX6QBP6QI72 · pith_short_8: LASFVNX6

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/LASFVNX6QBP6QI72SK6WLETIZR \
  | 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: 58245ab6fe805fe823fa92bd659268cc5d4fa7efc97bada8f12aa502f32c5073

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8494fc0d7c1d77d6115234f8f8a8e86e2436361f9122b9bcc13ee17afc5aeecd",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-04-25T21:37:11Z",
    "title_canon_sha256": "e69ead71962006c6f45476f63db1528822c10b6d2969ed82b14eeb6606a6cfd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5779",
    "kind": "arxiv",
    "version": 1
  }
}