Pith Number

pith:H3C6WLLN

pith:2010:H3C6WLLNBR77UUQFWGOQVNI5SB

not attested not anchored not stored refs pending

Corrigendum --- Quadratic Class Numbers Divisible by 3

D.R. Heath-Brown

arxiv:1009.4630 v1 · 2010-09-23 · 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{H3C6WLLNBR77UUQFWGOQVNI5SB}

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	2026-05-18T04:40:21.981610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ec5eb2d6d0c7ffa5205b19d0ab51d9079b082ed9ed2a8d72178ff40716bfbe2

Aliases

arxiv: 1009.4630 · arxiv_version: 1009.4630v1 · doi: 10.48550/arxiv.1009.4630 · pith_short_12: H3C6WLLNBR77 · pith_short_16: H3C6WLLNBR77UUQF · pith_short_8: H3C6WLLN

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/H3C6WLLNBR77UUQFWGOQVNI5SB \
  | 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: 3ec5eb2d6d0c7ffa5205b19d0ab51d9079b082ed9ed2a8d72178ff40716bfbe2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73abbd30035c213e868dd1ea9fe0472c7090e243369419ce5140d4bd7e185acc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2010-09-23T15:09:39Z",
    "title_canon_sha256": "801e13918e03b6ec22402703996634592ce03c6e6ce7b59a2c150478b7aef30d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4630",
    "kind": "arxiv",
    "version": 1
  }
}