Pith Number

pith:RCGHI43V

pith:2010:RCGHI43VMBPLX24DHVAY22P3AZ

not attested not anchored not stored refs pending

Essential dimension of simple algebras with involutions

Sanghoon Baek

arxiv:1008.2406 v5 · 2010-08-14 · 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{RCGHI43VMBPLX24DHVAY22P3AZ}

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	2026-05-18T02:58:01.932067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

888c747375605ebbeb833d418d69fb06659bb3a344980e9cc961151e3c7c7dd5

Aliases

arxiv: 1008.2406 · arxiv_version: 1008.2406v5 · doi: 10.48550/arxiv.1008.2406 · pith_short_12: RCGHI43VMBPL · pith_short_16: RCGHI43VMBPLX24D · pith_short_8: RCGHI43V

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/RCGHI43VMBPLX24DHVAY22P3AZ \
  | 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: 888c747375605ebbeb833d418d69fb06659bb3a344980e9cc961151e3c7c7dd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b769b5543dd7ba8bee78a875ce6ef84dc25153bf7b46aca2fe4c8a7c077c4da4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2010-08-14T01:35:42Z",
    "title_canon_sha256": "2a6b8b4c3349fcc29cbb842af2880d206ec9854aa26d407e3cbd58bb7c65da3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2406",
    "kind": "arxiv",
    "version": 5
  }
}