Pith Number

pith:FA2LHFJD

pith:2018:FA2LHFJDCNPJIEVNEYCJK7I5LY

not attested not anchored not stored refs pending

Bredon cohomological dimension for virtually abelian stabilisers for CAT(0) groups

Tomasz Prytu{\l}a

arxiv:1810.08924 v1 · 2018-10-21 · math.GR · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FA2LHFJDCNPJIEVNEYCJK7I5LY}

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	2026-05-18T00:02:41.433286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2834b39523135e9412ad2604957d1d5e3b19a894d008ce5c1ffdf5e2a12a33b9

Aliases

arxiv: 1810.08924 · arxiv_version: 1810.08924v1 · doi: 10.48550/arxiv.1810.08924 · pith_short_12: FA2LHFJDCNPJ · pith_short_16: FA2LHFJDCNPJIEVN · pith_short_8: FA2LHFJD

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/FA2LHFJDCNPJIEVNEYCJK7I5LY \
  | 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: 2834b39523135e9412ad2604957d1d5e3b19a894d008ce5c1ffdf5e2a12a33b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26c900010a16f077bc346d1479e77568d675bf995887eadecd54781672e8a82f",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-10-21T10:43:38Z",
    "title_canon_sha256": "a021322b2ec4580132b07cc0c0902d64e3da7619bf2d30cf1b49d75d5d510e1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08924",
    "kind": "arxiv",
    "version": 1
  }
}