Pith Number

pith:BVDPPDRT

pith:2017:BVDPPDRTBAM54FC4RFCKS626FW

not attested not anchored not stored refs pending

On Bousfield's problem for solvable groups of finite Pr\"ufer rank

Sergei O. Ivanov

arxiv:1704.02212 v1 · 2017-04-07 · math.KT · math.AT · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BVDPPDRTBAM54FC4RFCKS626FW}

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	2026-05-18T00:46:50.399982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d46f78e330819de145c8944a97b5e2d955925164cc61fcb73d1386af6874bbd

Aliases

arxiv: 1704.02212 · arxiv_version: 1704.02212v1 · doi: 10.48550/arxiv.1704.02212 · pith_short_12: BVDPPDRTBAM5 · pith_short_16: BVDPPDRTBAM54FC4 · pith_short_8: BVDPPDRT

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/BVDPPDRTBAM54FC4RFCKS626FW \
  | 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: 0d46f78e330819de145c8944a97b5e2d955925164cc61fcb73d1386af6874bbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71fa3b13f34ef810369b3443e53dffd7a51ba873190db9b62b78150079b8553b",
    "cross_cats_sorted": [
      "math.AT",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2017-04-07T12:55:57Z",
    "title_canon_sha256": "ec2153935e03d28fe42809d8df5184320709a8df6f7b3e7ea09b6590124d9cf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02212",
    "kind": "arxiv",
    "version": 1
  }
}