pith. sign in
Pith Number

pith:QVXQMQHO

pith:2012:QVXQMQHORYRFJLGDIDQK753FAJ
not attested not anchored not stored refs pending

Curves which cannot be defined over an extension of degree at most two over the field of moduli

Ruben A. Hidalgo, Yolanda Fuertes

arxiv:1205.6409 v2 · 2012-05-29 · math.AG · math.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QVXQMQHORYRFJLGDIDQK753FAJ}

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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 2026-05-18T03:54:27.279912Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

856f0640ee8e2254acc340e0aff76502467e5308dd37b9cc0a1074186bf33b16

Aliases

arxiv: 1205.6409 · arxiv_version: 1205.6409v2 · doi: 10.48550/arxiv.1205.6409 · pith_short_12: QVXQMQHORYRF · pith_short_16: QVXQMQHORYRFJLGD · pith_short_8: QVXQMQHO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QVXQMQHORYRFJLGDIDQK753FAJ \
  | 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: 856f0640ee8e2254acc340e0aff76502467e5308dd37b9cc0a1074186bf33b16
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "aa1eb6243a1db11824c079e14055daab368a65916005b1a050587fafb2968a58",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-05-29T16:21:13Z",
    "title_canon_sha256": "fcaf8fc820f61185397e4953b47f7a0af3bb58166ed61d474a37083d3423ed06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6409",
    "kind": "arxiv",
    "version": 2
  }
}