Pith Number

pith:22X23RFV

pith:2015:22X23RFV4GRP3NQZOXT46NNFOB

not attested not anchored not stored refs pending

Menger remainders of topological groups

Angelo Bella, Lyubomyr Zdomskyy, Se\c{c}il Tokg\"oz

arxiv:1504.01626 v2 · 2015-04-07 · math.GN · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{22X23RFV4GRP3NQZOXT46NNFOB}

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	2026-05-18T01:12:40.602606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6afadc4b5e1a2fdb61975e7cf35a570485198ba16e67ba77af8c42feb244ed2

Aliases

arxiv: 1504.01626 · arxiv_version: 1504.01626v2 · doi: 10.48550/arxiv.1504.01626 · pith_short_12: 22X23RFV4GRP · pith_short_16: 22X23RFV4GRP3NQZ · pith_short_8: 22X23RFV

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/22X23RFV4GRP3NQZOXT46NNFOB \
  | 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: d6afadc4b5e1a2fdb61975e7cf35a570485198ba16e67ba77af8c42feb244ed2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec85af8800fb8ad592599800924b986c63913a8c69662f2dd1580856d37738af",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2015-04-07T14:47:01Z",
    "title_canon_sha256": "48bb8c15c8833bf4db3864f18f741a34ed6946a651f3c1d5649d0cf19c5911d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01626",
    "kind": "arxiv",
    "version": 2
  }
}