Pith Number

pith:3UWOXFDO

pith:2011:3UWOXFDOFACF4G76RO4SV7UUDP

not attested not anchored not stored refs pending

Algebraic varieties with quasi-projective universal cover

Andreas Hoering (IMJ), Beno\^it Claudon (IECN), J\'anos Koll\'ar

arxiv:1102.2762 v1 · 2011-02-14 · 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{3UWOXFDOFACF4G76RO4SV7UUDP}

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	2026-05-18T04:28:46.539906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd2ceb946e28045e1bfe8bb92afe941bc6f813f93407f3d6d4c504f26402a167

Aliases

arxiv: 1102.2762 · arxiv_version: 1102.2762v1 · doi: 10.48550/arxiv.1102.2762 · pith_short_12: 3UWOXFDOFACF · pith_short_16: 3UWOXFDOFACF4G76 · pith_short_8: 3UWOXFDO

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/3UWOXFDOFACF4G76RO4SV7UUDP \
  | 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: dd2ceb946e28045e1bfe8bb92afe941bc6f813f93407f3d6d4c504f26402a167

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72b586680ef9d7f638fc3a5014dea77e6dd8664761cb3a59be949edf1c6771d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-02-14T13:19:37Z",
    "title_canon_sha256": "dc248f53b6c3ace6b7827d03b0357692b313ccc13c37d052850ad7d05c281128"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2762",
    "kind": "arxiv",
    "version": 1
  }
}