Pith Number

pith:2Q6PSIFV

pith:2016:2Q6PSIFVBPJEMN56ARCDUP7KRC

not attested not anchored not stored refs pending

Zooming in on the large-scale geometry of locally compact groups

Pierre de la Harpe, Yves de Cornulier

arxiv:1606.05539 v1 · 2016-06-15 · math.GR · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2Q6PSIFVBPJEMN56ARCDUP7KRC}

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	2026-05-18T01:12:19.441546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d43cf920b50bd24637be04443a3fea88b870711fff6eadf910ff736ad61c57fe

Aliases

arxiv: 1606.05539 · arxiv_version: 1606.05539v1 · doi: 10.48550/arxiv.1606.05539 · pith_short_12: 2Q6PSIFVBPJE · pith_short_16: 2Q6PSIFVBPJEMN56 · pith_short_8: 2Q6PSIFV

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/2Q6PSIFVBPJEMN56ARCDUP7KRC \
  | 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: d43cf920b50bd24637be04443a3fea88b870711fff6eadf910ff736ad61c57fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7865ab74ec0503dba0b6259a176017d97aa5d72a8e1118e45575eea9859f314f",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2016-06-15T23:36:22Z",
    "title_canon_sha256": "912b6a8e7a98f6406c991300b31a53a9a47a7efb58eeacf3d3a4280847170c9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.05539",
    "kind": "arxiv",
    "version": 1
  }
}