Pith Number

pith:OQKWKZQ3

pith:2017:OQKWKZQ3BIK7COQ7XVUJYZ5GX4

not attested not anchored not stored refs pending

Classification of Uniform Roe algebras of locally finite groups

Hung-Chang Liao, Kang Li

arxiv:1705.03716 v1 · 2017-05-10 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQKWKZQ3BIK7COQ7XVUJYZ5GX4}

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	2026-05-18T00:44:43.163232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

741565661b0a15f13a1fbd689c67a6bf35afefa843b7456523f7ffbbbfd0683b

Aliases

arxiv: 1705.03716 · arxiv_version: 1705.03716v1 · doi: 10.48550/arxiv.1705.03716 · pith_short_12: OQKWKZQ3BIK7 · pith_short_16: OQKWKZQ3BIK7COQ7 · pith_short_8: OQKWKZQ3

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/OQKWKZQ3BIK7COQ7XVUJYZ5GX4 \
  | 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: 741565661b0a15f13a1fbd689c67a6bf35afefa843b7456523f7ffbbbfd0683b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e109c7ff3451d2b123922e3aa7deae75e36ecf8ea1cdfa9d7ec8839d3051dad0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2017-05-10T12:15:28Z",
    "title_canon_sha256": "60541af4e004cd6ea36cffda9a24759d92bab1d18a005ad0e096ffcaf195ba69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03716",
    "kind": "arxiv",
    "version": 1
  }
}