Pith Number

pith:MVTX2JHA

pith:2019:MVTX2JHAZCEP2KNC2AN44CWOZO

not attested not anchored not stored refs pending

On the Baum-Connes Conjecture for Groups Acting on CAT(0)-Cubical Spaces

Erik Guentner, Jacek Brodzki, Nigel Higson, Shintaro Nishikawa

arxiv:1908.10485 v1 · 2019-08-27 · math.KT · math.GR · 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{MVTX2JHAZCEP2KNC2AN44CWOZO}

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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

Groups with Spanier-Whitehead duality

Receipt and verification

First computed	2026-07-05T00:00:17.628264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65677d24e0c888fd29a2d01bce0acecb85f8da2ed60d5a2de3ac55354241c43b

Aliases

arxiv: 1908.10485 · arxiv_version: 1908.10485v1 · doi: 10.48550/arxiv.1908.10485 · pith_short_12: MVTX2JHAZCEP · pith_short_16: MVTX2JHAZCEP2KNC · pith_short_8: MVTX2JHA

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/MVTX2JHAZCEP2KNC2AN44CWOZO \
  | 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: 65677d24e0c888fd29a2d01bce0acecb85f8da2ed60d5a2de3ac55354241c43b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9daf36ee40827861bdf3a4094adf308abf7c15acc74465ddc6d644988df2e8d0",
    "cross_cats_sorted": [
      "math.GR",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2019-08-27T22:29:00Z",
    "title_canon_sha256": "e60a4958708e99340292c519d65d4b717d933cd9fda511ff628907e2751fd24e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10485",
    "kind": "arxiv",
    "version": 1
  }
}