Pith Number

pith:IPBI4DVH

pith:2018:IPBI4DVHTWXRIXCRRRCI5A2YLN

not attested not anchored not stored refs pending

A correction of the decomposability result in a paper by Meyer-Neutsch

Vladimir G. Tkachev

arxiv:1801.02339 v1 · 2018-01-08 · math.RA · math.AC · 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{IPBI4DVHTWXRIXCRRRCI5A2YLN}

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	2026-05-18T00:21:45.770983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43c28e0ea79daf145c518c448e83585b6a60a0d2773ff759bbbe2771d93db259

Aliases

arxiv: 1801.02339 · arxiv_version: 1801.02339v1 · doi: 10.48550/arxiv.1801.02339 · pith_short_12: IPBI4DVHTWXR · pith_short_16: IPBI4DVHTWXRIXCR · pith_short_8: IPBI4DVH

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/IPBI4DVHTWXRIXCRRRCI5A2YLN \
  | 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: 43c28e0ea79daf145c518c448e83585b6a60a0d2773ff759bbbe2771d93db259

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41b38ff8b50dfaf6f56feab629b5173ad739580fff2beb12ed3514146296560d",
    "cross_cats_sorted": [
      "math.AC",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-01-08T08:43:34Z",
    "title_canon_sha256": "08e595f4bc653c3edb5ab4b1e413f12d291fc75f7cd62b703acb7788ea98f7f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02339",
    "kind": "arxiv",
    "version": 1
  }
}