Pith Number

pith:DZB3VYEN

pith:2018:DZB3VYEN7ITWNJJTK7DYDVLZKU

not attested not anchored not stored refs pending

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	2026-05-18T00:05:03.457348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e43bae08dfa2766a53357c781d579550db43efc570713e968c71ed67caa2240

Aliases

arxiv: 1809.08821 · arxiv_version: 1809.08821v1 · doi: 10.48550/arxiv.1809.08821 · pith_short_12: DZB3VYEN7ITW · pith_short_16: DZB3VYEN7ITWNJJT · pith_short_8: DZB3VYEN

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/DZB3VYEN7ITWNJJTK7DYDVLZKU \
  | 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: 1e43bae08dfa2766a53357c781d579550db43efc570713e968c71ed67caa2240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6da35579ef4a7b818e9195e5777e86ebd646fad99a963fd6a50fbc21e5bb6cfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-09-24T09:53:25Z",
    "title_canon_sha256": "e27cf608012b3e7526884e9250d56f3c73ae9802d65bc96a5effd3d622218239"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08821",
    "kind": "arxiv",
    "version": 1
  }
}

pith:DZB3VYEN

More on a question of M. Newman on isomorphic subgroups of solvable groups

Record completeness