Pith Number

pith:MESBUDKP

pith:2013:MESBUDKPWAVONLJ6EWFJF7BGKH

not attested not anchored not stored refs pending

Construction of class fields over imaginary biquadratic fields

Dong Sung Yoon, Ja Kyung Koo

arxiv:1306.6390 v4 · 2013-06-27 · 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{MESBUDKPWAVONLJ6EWFJF7BGKH}

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	2026-05-18T01:03:12.250653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61241a0d4fb02ae6ad3e258a92fc2651e477c97660090583d1358aea065cad79

Aliases

arxiv: 1306.6390 · arxiv_version: 1306.6390v4 · doi: 10.48550/arxiv.1306.6390 · pith_short_12: MESBUDKPWAVO · pith_short_16: MESBUDKPWAVONLJ6 · pith_short_8: MESBUDKP

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/MESBUDKPWAVONLJ6EWFJF7BGKH \
  | 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: 61241a0d4fb02ae6ad3e258a92fc2651e477c97660090583d1358aea065cad79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28c072587b52401d62f11cff2b131259e8e323c0ebbf16d4b65a3eae438922e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2013-06-27T01:22:40Z",
    "title_canon_sha256": "249bc1084bf3b0281680ca14c3d4e5615420fa5772fa2ad12bd4a0b075fdac39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.6390",
    "kind": "arxiv",
    "version": 4
  }
}