Pith Number

pith:KIEVCC3D

pith:2018:KIEVCC3D2LYN46DU3PK6MWBBR2

not attested not anchored not stored refs pending

On Common Divisors of Fox Derivatives with towards to Zero Divisors of Group Rings

Viktor Lopatkin

arxiv:1808.05087 v4 · 2018-08-15 · math.GR · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KIEVCC3D2LYN46DU3PK6MWBBR2}

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	2026-05-17T23:45:26.088099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5209510b63d2f0de7874dbd5e658218ebbb6c9e7bde86c2bc7be60ae83d2ed0f

Aliases

arxiv: 1808.05087 · arxiv_version: 1808.05087v4 · doi: 10.48550/arxiv.1808.05087 · pith_short_12: KIEVCC3D2LYN · pith_short_16: KIEVCC3D2LYN46DU · pith_short_8: KIEVCC3D

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/KIEVCC3D2LYN46DU3PK6MWBBR2 \
  | 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: 5209510b63d2f0de7874dbd5e658218ebbb6c9e7bde86c2bc7be60ae83d2ed0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab85564dccd93bd95c4ccc6a2c97b830030580396eb4ba3f9dd0fdaf2793334b",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-08-15T14:10:33Z",
    "title_canon_sha256": "ed6ec85d47102d3a0366f2b580429c99148f698f608bfe18aa42ba4ded8993fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05087",
    "kind": "arxiv",
    "version": 4
  }
}