Pith Number

pith:E5EBRJAW

pith:2014:E5EBRJAWA57URR5YGCYMRHB4QP

not attested not anchored not stored refs pending

Topological entropy for automorphisms of totally disconnected locally compact groups

Anna Giordano Bruno

arxiv:1401.3523 v1 · 2014-01-15 · 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{E5EBRJAWA57URR5YGCYMRHB4QP}

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	2026-05-18T03:02:08.534572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

274818a416077f48c7b830b0c89c3c83c8daca47b677e5843309c76f4e0e15ac

Aliases

arxiv: 1401.3523 · arxiv_version: 1401.3523v1 · doi: 10.48550/arxiv.1401.3523 · pith_short_12: E5EBRJAWA57U · pith_short_16: E5EBRJAWA57URR5Y · pith_short_8: E5EBRJAW

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/E5EBRJAWA57URR5YGCYMRHB4QP \
  | 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: 274818a416077f48c7b830b0c89c3c83c8daca47b677e5843309c76f4e0e15ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a69bb7c4da6fd76561e233ba24f4e2e4fbde4c8627ee755602e14e522e19cb6",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2014-01-15T09:11:28Z",
    "title_canon_sha256": "faba0359c09fcc87037bd6b29ad92a74a65718efed471a29723754b9d2221e95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3523",
    "kind": "arxiv",
    "version": 1
  }
}