Pith Number

pith:DU2VC435

pith:2014:DU2VC435Y3WH3IU7CWCJHHN34L

not attested not anchored not stored refs pending

On normalized differentials on hyperelliptic curves of infinite genus

P. Topalov, T. Kappeler

arxiv:1408.7107 v2 · 2014-08-28 · math.SP · math.AP · math.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DU2VC435Y3WH3IU7CWCJHHN34L}

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	2026-05-18T02:37:51.491416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d3551737dc6ec7da29f1584939dbbe2ef4b4027818610089befc15aa44a4ef6

Aliases

arxiv: 1408.7107 · arxiv_version: 1408.7107v2 · doi: 10.48550/arxiv.1408.7107 · pith_short_12: DU2VC435Y3WH · pith_short_16: DU2VC435Y3WH3IU7 · pith_short_8: DU2VC435

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/DU2VC435Y3WH3IU7CWCJHHN34L \
  | 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: 1d3551737dc6ec7da29f1584939dbbe2ef4b4027818610089befc15aa44a4ef6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f40f0769f28bcb545a7551b73af12024bd4380d5f1e272387e1f849575768ad",
    "cross_cats_sorted": [
      "math.AP",
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2014-08-28T19:40:04Z",
    "title_canon_sha256": "97f421b9326416876f9a7d440d454fd63e51b3f18133307c83f2f73cc1eded87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.7107",
    "kind": "arxiv",
    "version": 2
  }
}