Pith Number

pith:4JV56N2Y

pith:2014:4JV56N2Y6746ONZTNCNRS7DGBX

not attested not anchored not stored refs pending

Final solution of Protasov-Comfort's problem on minimally almost periodic group topologies

Dikran Dikranjan, Dmitri Shakhmatov

arxiv:1410.3313 v1 · 2014-10-13 · 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{4JV56N2Y6746ONZTNCNRS7DGBX}

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	2026-05-18T02:40:11.572726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e26bdf3758f7f9e73733689b197c660deeffe3c0860eabd916ff4693963dcbdb

Aliases

arxiv: 1410.3313 · arxiv_version: 1410.3313v1 · doi: 10.48550/arxiv.1410.3313 · pith_short_12: 4JV56N2Y6746 · pith_short_16: 4JV56N2Y6746ONZT · pith_short_8: 4JV56N2Y

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/4JV56N2Y6746ONZTNCNRS7DGBX \
  | 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: e26bdf3758f7f9e73733689b197c660deeffe3c0860eabd916ff4693963dcbdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b432b992a3e9dfa64ed330d092409e6bc7f8c2038c28cf52860e89b57a41b8a",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2014-10-13T14:04:10Z",
    "title_canon_sha256": "17345ab198585fcf8e2400f8ae269519fd33d114869cd887483872033dc76d81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.3313",
    "kind": "arxiv",
    "version": 1
  }
}