Pith Number

pith:DRX7HXHU

pith:2014:DRX7HXHUTWENC32QHDOSPBGQCH

not attested not anchored not stored refs pending

Torsion of Elliptic Curves over Quadratic Fields

Jody Ryker, Sophie De Arment

arxiv:1411.5341 v1 · 2014-11-19 · 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{DRX7HXHUTWENC32QHDOSPBGQCH}

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	2026-05-18T02:34:39.197226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c6ff3dcf49d88d16f5038dd2784d011eb2c75d0a7d312ff53162b453e018ae9

Aliases

arxiv: 1411.5341 · arxiv_version: 1411.5341v1 · doi: 10.48550/arxiv.1411.5341 · pith_short_12: DRX7HXHUTWEN · pith_short_16: DRX7HXHUTWENC32Q · pith_short_8: DRX7HXHU

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/DRX7HXHUTWENC32QHDOSPBGQCH \
  | 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: 1c6ff3dcf49d88d16f5038dd2784d011eb2c75d0a7d312ff53162b453e018ae9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6535c0edaecd3557616bda013882426bea24aea2338bb74c5763e1ca978d2661",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-11-19T20:00:26Z",
    "title_canon_sha256": "885ba740ae25d39af2de88d082bb7178e098d0cf59fb6f5a16456bac3df196ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5341",
    "kind": "arxiv",
    "version": 1
  }
}