Pith Number

pith:2ZDFNQUF

pith:2014:2ZDFNQUFKNJFMLUC7MP75UPJIJ

not attested not anchored not stored refs pending

On the Baum-Connes conjecture for Gromov monster groups

Martin Finn-Sell

arxiv:1401.6841 v2 · 2014-01-27 · math.KT · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZDFNQUFKNJFMLUC7MP75UPJIJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:42:14.679873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d64656c2855352562e82fb1ffed1e94273b6f8a61ea3dbc634634f15b6e80d57

Aliases

arxiv: 1401.6841 · arxiv_version: 1401.6841v2 · doi: 10.48550/arxiv.1401.6841 · pith_short_12: 2ZDFNQUFKNJF · pith_short_16: 2ZDFNQUFKNJFMLUC · pith_short_8: 2ZDFNQUF

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/2ZDFNQUFKNJFMLUC7MP75UPJIJ \
  | 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: d64656c2855352562e82fb1ffed1e94273b6f8a61ea3dbc634634f15b6e80d57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e84bbc68c43a61e790e20899bdbf3481b688356b010108a24ab181be10d01c7",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2014-01-27T13:11:31Z",
    "title_canon_sha256": "4cb26e00648ad198d98699102aee3c4d26822dc11506a47292bca388c49276df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6841",
    "kind": "arxiv",
    "version": 2
  }
}