Pith Number

pith:RO66637H

pith:2019:RO66637HGFZOCZOSVQYR5CJXVM

not attested not anchored not stored refs pending

On finite-by-nilpotent groups

Eloisa Detomi, Guram Donadze, Marta Morigi, Pavel Shumyatsky

arxiv:1907.02798 v1 · 2019-07-03 · 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{RO66637HGFZOCZOSVQYR5CJXVM}

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	2026-05-17T23:41:23.084389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bbdef6fe73172e165d2ac311e8937ab04cbd8b29f3d477ee0abdb2ac9f8f710

Aliases

arxiv: 1907.02798 · arxiv_version: 1907.02798v1 · doi: 10.48550/arxiv.1907.02798 · pith_short_12: RO66637HGFZO · pith_short_16: RO66637HGFZOCZOS · pith_short_8: RO66637H

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/RO66637HGFZOCZOSVQYR5CJXVM \
  | 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: 8bbdef6fe73172e165d2ac311e8937ab04cbd8b29f3d477ee0abdb2ac9f8f710

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0caead9a0dbaaf5cde90c631f108e69d8b8b2e69db5fc517a47e0db10c2ef26a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-07-03T17:42:22Z",
    "title_canon_sha256": "d05713cd212d9fd6e5d487cf62548f563b4ac3db28890cef5f18a8473c4bb65c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02798",
    "kind": "arxiv",
    "version": 1
  }
}