Pith Number

pith:QDF2532R

pith:2019:QDF2532RJW7MG6YNGTWGJ4HPFI

not attested not anchored not stored refs pending

Algebraic entropy on topologically quasihamiltonian groups

Daniele Toller, Menachem Shlossberg, Wenfei Xi

arxiv:1905.02574 v1 · 2019-05-05 · math.DS · 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{QDF2532RJW7MG6YNGTWGJ4HPFI}

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	2026-05-17T23:46:51.024209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80cbaeef514dbec37b0d34ec64f0ef2a2cb61519567ca6afda8d7e177c689d69

Aliases

arxiv: 1905.02574 · arxiv_version: 1905.02574v1 · doi: 10.48550/arxiv.1905.02574 · pith_short_12: QDF2532RJW7M · pith_short_16: QDF2532RJW7MG6YN · pith_short_8: QDF2532R

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/QDF2532RJW7MG6YNGTWGJ4HPFI \
  | 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: 80cbaeef514dbec37b0d34ec64f0ef2a2cb61519567ca6afda8d7e177c689d69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "542dafce9fbdd58c024b5ef18301d9719a9bc7b38d74481d5a28076130d26bf1",
    "cross_cats_sorted": [
      "math.GN",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-05-05T15:24:21Z",
    "title_canon_sha256": "2c0eb5bf721423e9e8a3df0d615af1b5877b6c091a5d8265296f44b6a8d1e557"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02574",
    "kind": "arxiv",
    "version": 1
  }
}