Pith Number

pith:BV2OPNC5

pith:2013:BV2OPNC5GFGS5RXEDAOX65NASV

not attested not anchored not stored refs pending

Degree 4 coverings of elliptic curves by genus 2 curves

G. Wijesiri, L. Woodland, S. Wolf, T. Shaska

arxiv:1301.4596 v1 · 2013-01-19 · 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{BV2OPNC5GFGS5RXEDAOX65NASV}

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	2026-05-18T03:35:56.234365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d74e7b45d314d2ec6e4181d7f75a09554afd30a164199f8f90dc9b5bc7e55fa

Aliases

arxiv: 1301.4596 · arxiv_version: 1301.4596v1 · doi: 10.48550/arxiv.1301.4596 · pith_short_12: BV2OPNC5GFGS · pith_short_16: BV2OPNC5GFGS5RXE · pith_short_8: BV2OPNC5

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/BV2OPNC5GFGS5RXEDAOX65NASV \
  | 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: 0d74e7b45d314d2ec6e4181d7f75a09554afd30a164199f8f90dc9b5bc7e55fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e39fea4ab5d5e092642cb91333896569a88156d053b36b4104163deb9c07e789",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-01-19T20:25:22Z",
    "title_canon_sha256": "b2d7eda985363dda643a127f1dc92b3aad006c5c43041b1799cfe1e7ce8652e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4596",
    "kind": "arxiv",
    "version": 1
  }
}