Pith Number

pith:QBA6CQOK

pith:2023:QBA6CQOKHF4BIP6LDGS4LQSVAD

not attested not anchored not stored refs pending

Very good gradings on matrix rings are epsilon-strong

H\'ector Pinedo, Johan \"Oinert, Laura Orozco, Patrik Lundstr\"om

arxiv:2304.08547 v2 · 2023-04-17 · 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{QBA6CQOKHF4BIP6LDGS4LQSVAD}

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	2026-07-05T06:47:20.398809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8041e141ca3978143fcb19a5c5c25500f43c1d4655ff7acf37c1c6e84fdd7e89

Aliases

arxiv: 2304.08547 · arxiv_version: 2304.08547v2 · doi: 10.48550/arxiv.2304.08547 · pith_short_12: QBA6CQOKHF4B · pith_short_16: QBA6CQOKHF4BIP6L · pith_short_8: QBA6CQOK

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/QBA6CQOKHF4BIP6LDGS4LQSVAD \
  | 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: 8041e141ca3978143fcb19a5c5c25500f43c1d4655ff7acf37c1c6e84fdd7e89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3412f95db0c058139d65113fcf0159a7b127bc3394c0653044eccddabc9a930",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2023-04-17T18:27:14Z",
    "title_canon_sha256": "f8ffabc07849f8336852bcfb58ddb58ecfb1d2e7aeb452a54769b4e559400154"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.08547",
    "kind": "arxiv",
    "version": 2
  }
}