Pith Number

pith:YGQXH2KQ

pith:2013:YGQXH2KQGSW3O3XDNU7AQ3AKIU

not attested not anchored not stored refs pending

The Weierstrass semigroups on double covers of genus two curves

Akira Ohbuchi, Jiryo Komeda, Takeshi Harui

arxiv:1311.4143 v1 · 2013-11-17 · 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{YGQXH2KQGSW3O3XDNU7AQ3AKIU}

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	2026-05-18T03:06:53.478291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1a173e95034adb76ee36d3e086c0a450183aef0ea311d1f4eebeb45c701b8b4

Aliases

arxiv: 1311.4143 · arxiv_version: 1311.4143v1 · doi: 10.48550/arxiv.1311.4143 · pith_short_12: YGQXH2KQGSW3 · pith_short_16: YGQXH2KQGSW3O3XD · pith_short_8: YGQXH2KQ

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/YGQXH2KQGSW3O3XDNU7AQ3AKIU \
  | 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: c1a173e95034adb76ee36d3e086c0a450183aef0ea311d1f4eebeb45c701b8b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33cb18eae4cbede2745df90e07a4b81498235cde86df3f429ee78a052106300c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-11-17T10:42:26Z",
    "title_canon_sha256": "003c95964e29d66b062908470a2fad12496b830cfc9bbf6d85fb50e6fac69ef1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4143",
    "kind": "arxiv",
    "version": 1
  }
}