Pith Number

pith:5B75I6Z4

pith:2013:5B75I6Z4K4ZY3S5FHYLBJJWBEX

not attested not anchored not stored refs pending

\'Etale fundamental groups of Kawamata log terminal spaces, flat sheaves, and quotients of Abelian varieties

Daniel Greb, Stefan Kebekus, Thomas Peternell

arxiv:1307.5718 v3 · 2013-07-22 · 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{5B75I6Z4K4ZY3S5FHYLBJJWBEX}

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	2026-05-18T01:05:46.693178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e87fd47b3c57338dcba53e1614a6c125ce135b62b3862c237551f9ed627d990b

Aliases

arxiv: 1307.5718 · arxiv_version: 1307.5718v3 · doi: 10.48550/arxiv.1307.5718 · pith_short_12: 5B75I6Z4K4ZY · pith_short_16: 5B75I6Z4K4ZY3S5F · pith_short_8: 5B75I6Z4

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/5B75I6Z4K4ZY3S5FHYLBJJWBEX \
  | 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: e87fd47b3c57338dcba53e1614a6c125ce135b62b3862c237551f9ed627d990b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce389acfb9ab5463c68b333a1f48551cf5bf29c60bd5c53bbbddfd0f563db707",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-07-22T14:06:12Z",
    "title_canon_sha256": "a8b22159dad9a6f8be547c53c8266ee513421ec0d3d626365639bce0dfcf6dec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5718",
    "kind": "arxiv",
    "version": 3
  }
}