Pith Number

pith:OK7ZBAGE

pith:2014:OK7ZBAGE237YJ5PBLNR25YE2FJ

not attested not anchored not stored refs pending

Base change for Elliptic Curves over Real Quadratic Fields

Luis Dieulefait, Nuno Freitas

arxiv:1402.6232 v3 · 2014-02-25 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OK7ZBAGE237YJ5PBLNR25YE2FJ}

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	2026-05-18T02:40:10.718083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72bf9080c4d6ff84f5e15b63aee09a2a68dccfd9be2039114421dace6051ace2

Aliases

arxiv: 1402.6232 · arxiv_version: 1402.6232v3 · doi: 10.48550/arxiv.1402.6232 · pith_short_12: OK7ZBAGE237Y · pith_short_16: OK7ZBAGE237YJ5PB · pith_short_8: OK7ZBAGE

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/OK7ZBAGE237YJ5PBLNR25YE2FJ \
  | 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: 72bf9080c4d6ff84f5e15b63aee09a2a68dccfd9be2039114421dace6051ace2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2777f26481eb1a91460292a11d3e80e0bc374abff9cf6693b2fe57823b8feead",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-02-25T16:36:30Z",
    "title_canon_sha256": "e494b5760a730a6334512d6fb5eb4a790c0164896380f29eb290d41a70ec80a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6232",
    "kind": "arxiv",
    "version": 3
  }
}