Pith Number

pith:BKBLJLZL

pith:2019:BKBLJLZLHJQJ27PCNUA6D3HT2C

not attested not anchored not stored refs pending

Torsion groups of Mordell curves over cubic and sextic fields

Bidisha Roy, Pallab Kanti Dey

arxiv:1908.07791 v1 · 2019-08-21 · 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{BKBLJLZLHJQJ27PCNUA6D3HT2C}

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	2026-07-04T23:59:01.197677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a82b4af2b3a609d7de26d01e1ecf3d080adcfd62810b27f4d93e3151eee8363

Aliases

arxiv: 1908.07791 · arxiv_version: 1908.07791v1 · doi: 10.48550/arxiv.1908.07791 · pith_short_12: BKBLJLZLHJQJ · pith_short_16: BKBLJLZLHJQJ27PC · pith_short_8: BKBLJLZL

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/BKBLJLZLHJQJ27PCNUA6D3HT2C \
  | 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: 0a82b4af2b3a609d7de26d01e1ecf3d080adcfd62810b27f4d93e3151eee8363

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55d7cb594768a1c7c49d6df78f22df2500d6f6edf20d123bd916c9ab9417a5dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2019-08-21T10:56:52Z",
    "title_canon_sha256": "87d11a7408b681e9dbc03dd407e055d5c81a28990966ba9a597c76a2f0fa0b83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07791",
    "kind": "arxiv",
    "version": 1
  }
}