Pith Number

pith:IEW5V5RF

pith:2011:IEW5V5RF3IYGVQOI7R4SRPKDI7

not attested not anchored not stored refs pending

Derived equivalences between matrix subrings and their applications

Yiping Chen

arxiv:1108.0126 v1 · 2011-07-31 · 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{IEW5V5RF3IYGVQOI7R4SRPKDI7}

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	2026-05-18T04:16:31.644869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

412ddaf625da306ac1c8fc7928bd4347d263d8b9b6049e98a46cc34d1712f270

Aliases

arxiv: 1108.0126 · arxiv_version: 1108.0126v1 · doi: 10.48550/arxiv.1108.0126 · pith_short_12: IEW5V5RF3IYG · pith_short_16: IEW5V5RF3IYGVQOI · pith_short_8: IEW5V5RF

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/IEW5V5RF3IYGVQOI7R4SRPKDI7 \
  | 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: 412ddaf625da306ac1c8fc7928bd4347d263d8b9b6049e98a46cc34d1712f270

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "478c3ad1b5ac079e5d2c2df48690d2a3c2a551b7affe9ad3dd8eeed700f48a2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2011-07-31T02:59:17Z",
    "title_canon_sha256": "54419dbd043f824169e1c788207cbccf049e21abf090e0de2dc6489e45741211"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0126",
    "kind": "arxiv",
    "version": 1
  }
}