Pith Number

pith:RV3KBG5L

pith:2018:RV3KBG5LUGBCPYWUG4EULUI4WJ

not attested not anchored not stored refs pending

Algebraic entropy on strongly compactly covered groups

Anna Giordano Bruno, Daniele Toller, Menachem Shlossberg

arxiv:1805.09608 v1 · 2018-05-24 · 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{RV3KBG5LUGBCPYWUG4EULUI4WJ}

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	2026-05-18T00:15:03.413596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d76a09baba18227e2d4370945d11cb25708ada91fc2a86d9f2890b9d3702af1

Aliases

arxiv: 1805.09608 · arxiv_version: 1805.09608v1 · doi: 10.48550/arxiv.1805.09608 · pith_short_12: RV3KBG5LUGBC · pith_short_16: RV3KBG5LUGBCPYWU · pith_short_8: RV3KBG5L

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/RV3KBG5LUGBCPYWUG4EULUI4WJ \
  | 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: 8d76a09baba18227e2d4370945d11cb25708ada91fc2a86d9f2890b9d3702af1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2763a31449092e779a7a98152b818811ffb74d91874b5ca40cfdd4895a5bf09",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-05-24T11:24:05Z",
    "title_canon_sha256": "83035000f69fe05d02a2739aa615d5fe329451fe8dc637266d674bafd5f98f87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09608",
    "kind": "arxiv",
    "version": 1
  }
}