Pith Number

pith:PYQ4UEBC

pith:2014:PYQ4UEBCMWXTZQU6YG7PM52MJT

not attested not anchored not stored refs pending

Graphical small cancellation groups with the Haagerup property

Damian Osajda, Goulnara Arzhantseva

arxiv:1404.6807 v2 · 2014-04-27 · 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{PYQ4UEBCMWXTZQU6YG7PM52MJT}

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.

Cited by

1 paper in Pith

Controlled Analytic Properties and the Quantitative Baum-Connes Conjecture

Receipt and verification

First computed	2026-05-18T02:40:03.235073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e21ca102265af3cc29ec1bef6774c4ceb88124c686ff9186d214ae94e79a0da

Aliases

arxiv: 1404.6807 · arxiv_version: 1404.6807v2 · doi: 10.48550/arxiv.1404.6807 · pith_short_12: PYQ4UEBCMWXT · pith_short_16: PYQ4UEBCMWXTZQU6 · pith_short_8: PYQ4UEBC

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/PYQ4UEBCMWXTZQU6YG7PM52MJT \
  | 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: 7e21ca102265af3cc29ec1bef6774c4ceb88124c686ff9186d214ae94e79a0da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a9f718f1321055483000d7167ccec9b38c72883a3517115db398a0e0ebeca53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-04-27T19:08:13Z",
    "title_canon_sha256": "c9e80172ac0eed65dbd85db7f0319a8c8d4de2bc5b269b0f3ba9ee8ce518a6a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6807",
    "kind": "arxiv",
    "version": 2
  }
}