Pith Number

pith:7LZU6DAB

pith:2013:7LZU6DABNYVYFYARQURYF7G5K7

not attested not anchored not stored refs pending

Duality for relative Prymians associated to K3 double covers of del Pezzo surface of degree 2

Gr\'egoire Menet

arxiv:1303.1945 v3 · 2013-03-08 · 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{7LZU6DABNYVYFYARQURYF7G5K7}

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	2026-05-18T03:03:32.311070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faf34f0c016e2b82e011852382fcdd57c00f0b3d7dac324295d0a218dd0aa21d

Aliases

arxiv: 1303.1945 · arxiv_version: 1303.1945v3 · doi: 10.48550/arxiv.1303.1945 · pith_short_12: 7LZU6DABNYVY · pith_short_16: 7LZU6DABNYVYFYAR · pith_short_8: 7LZU6DAB

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/7LZU6DABNYVYFYARQURYF7G5K7 \
  | 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: faf34f0c016e2b82e011852382fcdd57c00f0b3d7dac324295d0a218dd0aa21d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bab1a555338110ddf2abe9d3d36eb9f681ebdb325e08d02ee9ae54d19a73b30d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-03-08T10:46:15Z",
    "title_canon_sha256": "ac629c26ceeaad03895f938e0eac985b8cab9900efbbde09db9149879281bd2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1945",
    "kind": "arxiv",
    "version": 3
  }
}