Pith Number

pith:46TYLNYP

pith:2010:46TYLNYPABQNL3XLLEW7372QGZ

not attested not anchored not stored refs pending

On the quasi-component of pseudocompact abelian groups

D. Dikranjan, G\'abor Luk\'acs

arxiv:1007.4285 v3 · 2010-07-24 · math.GN · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{46TYLNYPABQNL3XLLEW7372QGZ}

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	2026-05-18T04:00:01.405792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7a785b70f0060d5eeeb592dfdff50364c25afa1453df359ffe0d1fb8f5d62ad

Aliases

arxiv: 1007.4285 · arxiv_version: 1007.4285v3 · doi: 10.48550/arxiv.1007.4285 · pith_short_12: 46TYLNYPABQN · pith_short_16: 46TYLNYPABQNL3XL · pith_short_8: 46TYLNYP

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/46TYLNYPABQNL3XLLEW7372QGZ \
  | 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: e7a785b70f0060d5eeeb592dfdff50364c25afa1453df359ffe0d1fb8f5d62ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c89ec336fcdeebb603741fefb837f44d877be87f5c7795e37c9e5e72d3e52dd1",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2010-07-24T21:54:44Z",
    "title_canon_sha256": "05652f39d810e23b6d688f4fd67ba450be20e95072f6f8f039efdf474b46fc86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4285",
    "kind": "arxiv",
    "version": 3
  }
}