Pith Number

pith:27H3OIXR

pith:2006:27H3OIXRFWVJQWFB37UH5GS6CU

not attested not anchored not stored refs pending

Every projective Schur algebra is Brauer equivalent to a radical abelian algebra

\'Angel del R\'io, Eli Aljadeff

arxiv:math/0607087 v1 · 2006-07-04 · math.RT · 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{27H3OIXRFWVJQWFB37UH5GS6CU}

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	2026-05-18T01:08:50.105292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7cfb722f12daa9858a1dfe87e9a5e153a66cc9452f58f61931e43227238a986

Aliases

arxiv: math/0607087 · arxiv_version: math/0607087v1 · doi: 10.48550/arxiv.math/0607087 · pith_short_12: 27H3OIXRFWVJ · pith_short_16: 27H3OIXRFWVJQWFB · pith_short_8: 27H3OIXR

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/27H3OIXRFWVJQWFB37UH5GS6CU \
  | 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: d7cfb722f12daa9858a1dfe87e9a5e153a66cc9452f58f61931e43227238a986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90f87ae8a4f62df4ee0176ea7c21fcc9974fab5e9f23cd637ae8a968d8c67514",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "",
    "primary_cat": "math.RT",
    "submitted_at": "2006-07-04T11:38:02Z",
    "title_canon_sha256": "1f05f2b535de858c0faae2b18655178bfdfed8ed543c2919431ab655c90e46bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0607087",
    "kind": "arxiv",
    "version": 1
  }
}