Pith Number

pith:CI4OMEYJ

pith:2016:CI4OMEYJEQO7WEHKYUJOTSJ5EK

not attested not anchored not stored refs pending

On the dimension of classifying spaces for families of abelian subgroups

Brita Nucinkis, Federico Pasini, Ged Corob Cook, Victor Moreno

arxiv:1604.05889 v1 · 2016-04-20 · 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{CI4OMEYJEQO7WEHKYUJOTSJ5EK}

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	2026-05-18T01:16:34.322986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1238e61309241dfb10eac512e9c93d229115a39ddd1bdf03b51f543f346875a6

Aliases

arxiv: 1604.05889 · arxiv_version: 1604.05889v1 · doi: 10.48550/arxiv.1604.05889 · pith_short_12: CI4OMEYJEQO7 · pith_short_16: CI4OMEYJEQO7WEHK · pith_short_8: CI4OMEYJ

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/CI4OMEYJEQO7WEHKYUJOTSJ5EK \
  | 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: 1238e61309241dfb10eac512e9c93d229115a39ddd1bdf03b51f543f346875a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6748b13256a52a9ace1e4a8f65c9753227a750189090ff39acf9ab978daed0db",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2016-04-20T10:41:43Z",
    "title_canon_sha256": "ca23a9c873df0f3d8bf323ea926947855361588354711c720839ee3bb2046214"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05889",
    "kind": "arxiv",
    "version": 1
  }
}