Pith Number

pith:E5SQIOFT

pith:2011:E5SQIOFT5PMHSRREFWN4NVJFII

not attested not anchored not stored refs pending

Elliptic dihedral covers in dimension 2, geometry of sections of elliptic surfaces, and Zariski pairs for line-conic arrangements

Hiro-o Tokunaga

arxiv:1111.5924 v1 · 2011-11-25 · 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{E5SQIOFT5PMHSRREFWN4NVJFII}

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	2026-05-18T03:53:17.492087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27650438b3ebd87946242d9bc6d5254212a19c8e6b4b06e32bec060fa14352c5

Aliases

arxiv: 1111.5924 · arxiv_version: 1111.5924v1 · doi: 10.48550/arxiv.1111.5924 · pith_short_12: E5SQIOFT5PMH · pith_short_16: E5SQIOFT5PMHSRRE · pith_short_8: E5SQIOFT

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/E5SQIOFT5PMHSRREFWN4NVJFII \
  | 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: 27650438b3ebd87946242d9bc6d5254212a19c8e6b4b06e32bec060fa14352c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68d2f91ff6d3224e5674f35dfd05c779ecd317ffb30e9b6163c0d9459c1f3060",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-11-25T09:31:32Z",
    "title_canon_sha256": "a843b4ba3a22af03371308040e27eeed9cfc484dbed8965fb9de0f720893106c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5924",
    "kind": "arxiv",
    "version": 1
  }
}