Pith Number

pith:CLPEUN27

pith:2025:CLPEUN27WBEKZF5UOVFKKNR3SX

not attested not anchored not stored refs pending

Coarse Baum-Connes and warped cones: failure of surjectivity in odd degree

Christos Kitsios, Federico Vigolo, Thomas Schick

arxiv:2504.21811 v2 · 2025-04-30 · math.KT · math.MG · 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{CLPEUN27WBEKZF5UOVFKKNR3SX}

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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

Coarse cone quotients

Receipt and verification

First computed	2026-07-05T11:07:24.106348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12de4a375fb048ac97b4754aa5363b95d72b4d74cfdcc149fe54aa03a2be1436

Aliases

arxiv: 2504.21811 · arxiv_version: 2504.21811v2 · doi: 10.48550/arxiv.2504.21811 · pith_short_12: CLPEUN27WBEK · pith_short_16: CLPEUN27WBEKZF5U · pith_short_8: CLPEUN27

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/CLPEUN27WBEKZF5UOVFKKNR3SX \
  | 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: 12de4a375fb048ac97b4754aa5363b95d72b4d74cfdcc149fe54aa03a2be1436

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ac522873a31f60cf6fb438d934b2f2b2b3b485904547f415ff5b969c1976d60",
    "cross_cats_sorted": [
      "math.MG",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2025-04-30T17:15:20Z",
    "title_canon_sha256": "3024fe406b43341ffb23d646431756c9c2a602c735c3e80432161f734501403e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21811",
    "kind": "arxiv",
    "version": 2
  }
}