Pith Number

pith:EKFCRDN7

pith:2015:EKFCRDN7JF5D3O5WIMM6YSNUMY

not attested not anchored not stored refs pending

Maximal curves from subcovers of the GK-curve

Giovanni Zini, Luciane Quoos, Massimo Giulietti

arxiv:1502.07941 v1 · 2015-02-27 · 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{EKFCRDN7JF5D3O5WIMM6YSNUMY}

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	2026-05-18T02:26:01.777552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

228a288dbf497a3dbbb64319ec49b466250795966fc32dc568af8c287fbad8cc

Aliases

arxiv: 1502.07941 · arxiv_version: 1502.07941v1 · doi: 10.48550/arxiv.1502.07941 · pith_short_12: EKFCRDN7JF5D · pith_short_16: EKFCRDN7JF5D3O5W · pith_short_8: EKFCRDN7

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/EKFCRDN7JF5D3O5WIMM6YSNUMY \
  | 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: 228a288dbf497a3dbbb64319ec49b466250795966fc32dc568af8c287fbad8cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef7bd716b198dd0f630d5c1794e09d9c5eb5663a1f59900dcca897e0e6c68683",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-02-27T15:46:21Z",
    "title_canon_sha256": "71c04899b024a758f57745344f06390daf391387068198651ebb8bb25f5bc509"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07941",
    "kind": "arxiv",
    "version": 1
  }
}