Pith Number

pith:LEDIQYFF

pith:2015:LEDIQYFFRBXO3GYK7UKONXIUUL

not attested not anchored not stored refs pending

Severi Varieties and Brill-Noether theory of curves on abelian surfaces

Andreas Leopold Knutsen, Giovanni Mongardi, Margherita Lelli-Chiesa

arxiv:1503.04465 v2 · 2015-03-15 · 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{LEDIQYFFRBXO3GYK7UKONXIUUL}

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	2026-05-18T02:20:30.062997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59068860a5886eed9b0afd14e6dd14a2e3b9eb113b182a39f332b1999f9ae792

Aliases

arxiv: 1503.04465 · arxiv_version: 1503.04465v2 · doi: 10.48550/arxiv.1503.04465 · pith_short_12: LEDIQYFFRBXO · pith_short_16: LEDIQYFFRBXO3GYK · pith_short_8: LEDIQYFF

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/LEDIQYFFRBXO3GYK7UKONXIUUL \
  | 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: 59068860a5886eed9b0afd14e6dd14a2e3b9eb113b182a39f332b1999f9ae792

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "030226161fa2cc477ced1e53d20c00d231cb92d4de537e41407eb5f70a29366a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-03-15T19:49:31Z",
    "title_canon_sha256": "69a1d1de20d0391635a07d7f013fe8c49c8d4fbad86d33832ed1d5a046b32f74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04465",
    "kind": "arxiv",
    "version": 2
  }
}