Pith Number

pith:EKKZBLGI

pith:2011:EKKZBLGID5DREF3OAKMEVI4LNB

not attested not anchored not stored refs pending

Symmetric theta divisors of Klein surfaces

Andrei Teleman, Christian Okonek

arxiv:1112.5831 v1 · 2011-12-26 · math.AG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EKKZBLGID5DREF3OAKMEVI4LNB}

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	2026-05-18T04:05:37.516773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

229590acc81f4712176e02984aa38b685186f92ed5a4545264d59d9aa2932c99

Aliases

arxiv: 1112.5831 · arxiv_version: 1112.5831v1 · doi: 10.48550/arxiv.1112.5831 · pith_short_12: EKKZBLGID5DR · pith_short_16: EKKZBLGID5DREF3O · pith_short_8: EKKZBLGI

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/EKKZBLGID5DREF3OAKMEVI4LNB \
  | 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: 229590acc81f4712176e02984aa38b685186f92ed5a4545264d59d9aa2932c99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0534150e80faaed3c2594a5e963e8b1d3b633133b3407ded52ced029bb582a88",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-12-26T10:18:32Z",
    "title_canon_sha256": "de49299c3feb8d4dfa371f0bf8ed6d0b4b30c64b83f818b0751cfa2e4b4a00fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5831",
    "kind": "arxiv",
    "version": 1
  }
}