Pith Number

pith:EQVQF7SZ

pith:2018:EQVQF7SZQ7ALZ3DINFHZAVQ7YX

not attested not anchored not stored refs pending

A note on certain real quadratic fields with class number upto three

Azizul Hoque, Kalyan Chakraborty, Mohit Mishra

arxiv:1812.02488 v3 · 2018-12-06 · 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{EQVQF7SZQ7ALZ3DINFHZAVQ7YX}

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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.

Cited by

1 paper in Pith

Lower bound for class number of certain real quadratic fields

Receipt and verification

First computed	2026-05-17T23:43:50.368822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

242b02fe5987c0bcec68694f90561fc5da03cf73abd5468a845649f1859ea962

Aliases

arxiv: 1812.02488 · arxiv_version: 1812.02488v3 · doi: 10.48550/arxiv.1812.02488 · pith_short_12: EQVQF7SZQ7AL · pith_short_16: EQVQF7SZQ7ALZ3DI · pith_short_8: EQVQF7SZ

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/EQVQF7SZQ7ALZ3DINFHZAVQ7YX \
  | 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: 242b02fe5987c0bcec68694f90561fc5da03cf73abd5468a845649f1859ea962

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a5efa2deb79c229a21fb36246c606e7be213ee014bd8aacacd6d037deb43b4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2018-12-06T12:22:06Z",
    "title_canon_sha256": "03d26f01fd808b3fd83029a2a31b0b20f048a72d4902ff7b4c5ce9067060bfb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02488",
    "kind": "arxiv",
    "version": 3
  }
}