Pith Number

pith:ABW3I53N

pith:2014:ABW3I53N2OWGTCY4HVP7CHYNV2

not attested not anchored not stored refs pending

The vanishing of self-extensions over n-symmetric algebras of quasitilted type

Maciej Karpicz, Marju Purin

arxiv:1407.1062 v1 · 2014-07-03 · math.RA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ABW3I53N2OWGTCY4HVP7CHYNV2}

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	2026-05-18T02:48:18.822083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

006db4776dd3ac698b1c3d5ff11f0daebbaaed376d0e79d718e1de4623ba1866

Aliases

arxiv: 1407.1062 · arxiv_version: 1407.1062v1 · doi: 10.48550/arxiv.1407.1062 · pith_short_12: ABW3I53N2OWG · pith_short_16: ABW3I53N2OWGTCY4 · pith_short_8: ABW3I53N

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/ABW3I53N2OWGTCY4HVP7CHYNV2 \
  | 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: 006db4776dd3ac698b1c3d5ff11f0daebbaaed376d0e79d718e1de4623ba1866

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6618ffb2758b78d09ed7510e29328517d144d4e10716f4431762574546f007a3",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-07-03T21:10:07Z",
    "title_canon_sha256": "010496ee2f0d3409900e19b4e769538cc2fea1f46b16f11ccadef1b36abcfa04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1062",
    "kind": "arxiv",
    "version": 1
  }
}