Pith Number

pith:U7OI4R62

pith:2004:U7OI4R62MRJMQUPQLW6GV55X7D

not attested not anchored not stored refs pending

A Construction of Metabelian Groups

Markus Schmidmeier

arxiv:math/0407515 v2 · 2004-07-29 · math.GR · math.RT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U7OI4R62MRJMQUPQLW6GV55X7D}

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	2026-05-18T02:42:26.273892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7dc8e47da6452c851f05dbc6af7b7f8e5bcf8f0588c744c281c158abd56a3a4

Aliases

arxiv: math/0407515 · arxiv_version: math/0407515v2 · doi: 10.48550/arxiv.math/0407515 · pith_short_12: U7OI4R62MRJM · pith_short_16: U7OI4R62MRJMQUPQ · pith_short_8: U7OI4R62

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/U7OI4R62MRJMQUPQLW6GV55X7D \
  | 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: a7dc8e47da6452c851f05dbc6af7b7f8e5bcf8f0588c744c281c158abd56a3a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cef6dd8761bc8fa5471df5671812a82e96d651bb3fd572c1bdd6f87ab0de190",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "",
    "primary_cat": "math.GR",
    "submitted_at": "2004-07-29T17:31:59Z",
    "title_canon_sha256": "cf9a501da991823044060b033ce105ddb673824b636187ffd87202892fff639a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0407515",
    "kind": "arxiv",
    "version": 2
  }
}