Pith Number

pith:GB42XEQJ

pith:2013:GB42XEQJ4V2PFZ6RA3HTI25ILX

not attested not anchored not stored refs pending

Free non-archimedean topological groups

Menachem Shlossberg, Michael Megrelishvili

arxiv:1304.5254 v2 · 2013-04-18 · 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{GB42XEQJ4V2PFZ6RA3HTI25ILX}

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	2026-05-18T03:25:58.153483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3079ab9209e574f2e7d106cf346ba85de167762186f48e4a39d3a952da0c0085

Aliases

arxiv: 1304.5254 · arxiv_version: 1304.5254v2 · doi: 10.48550/arxiv.1304.5254 · pith_short_12: GB42XEQJ4V2P · pith_short_16: GB42XEQJ4V2PFZ6R · pith_short_8: GB42XEQJ

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/GB42XEQJ4V2PFZ6RA3HTI25ILX \
  | 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: 3079ab9209e574f2e7d106cf346ba85de167762186f48e4a39d3a952da0c0085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "322693457d4db9732d3dac91755f3ec5dca4cbfce34f7a4bb2b756f39e2c8cf8",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2013-04-18T21:02:00Z",
    "title_canon_sha256": "732780457151ce999aa5edd38d2ea07a764625d74f1ffba6ee7c24344852a323"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5254",
    "kind": "arxiv",
    "version": 2
  }
}