Pith Number

pith:YKJAGG7S

pith:2016:YKJAGG7SLEVALYZC7WNFDYTWOB

not attested not anchored not stored refs pending

The rationality of the moduli space of one-pointed ineffective spin hyperelliptic curves via an almost del Pezzo threefold

Francesco Zucconi, Hiromichi Takagi

arxiv:1605.08249 v1 · 2016-05-26 · 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{YKJAGG7SLEVALYZC7WNFDYTWOB}

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	2026-05-18T01:13:32.142705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c292031bf2592a05e322fd9a51e27670419c6b045b17c44a972bf4e39d6cc531

Aliases

arxiv: 1605.08249 · arxiv_version: 1605.08249v1 · doi: 10.48550/arxiv.1605.08249 · pith_short_12: YKJAGG7SLEVA · pith_short_16: YKJAGG7SLEVALYZC · pith_short_8: YKJAGG7S

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/YKJAGG7SLEVALYZC7WNFDYTWOB \
  | 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: c292031bf2592a05e322fd9a51e27670419c6b045b17c44a972bf4e39d6cc531

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dd2e19572da1fad34d2fa80f452bba01c6b0d96ad883e46be81781814cd9a01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-05-26T12:11:50Z",
    "title_canon_sha256": "b5a287bb1644f8e354c76f1132de13efde0e5cdcc769403c18ed9e1621c175d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08249",
    "kind": "arxiv",
    "version": 1
  }
}