Pith Number

pith:GAUNWXPY

pith:2005:GAUNWXPYDTXSO32ZFXUSXPEDDS

not attested not anchored not stored refs pending

On ring homomorphisms of Azumaya algebras

Arno van den Essen, Jean-Yves Charbonnel (IMJ), Kossivi Adjamagbo (IMJ)

arxiv:math/0509188 v1 · 2005-09-08 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GAUNWXPYDTXSO32ZFXUSXPEDDS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:05:23.183787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3028db5df81cef276f592de92bbc831c97f458b1c023f93e98072a230e057ca3

Aliases

arxiv: math/0509188 · arxiv_version: math/0509188v1 · doi: 10.48550/arxiv.math/0509188 · pith_short_12: GAUNWXPYDTXS · pith_short_16: GAUNWXPYDTXSO32Z · pith_short_8: GAUNWXPY

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/GAUNWXPYDTXSO32ZFXUSXPEDDS \
  | 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: 3028db5df81cef276f592de92bbc831c97f458b1c023f93e98072a230e057ca3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c42c4418185167d6394d5525bf7121c5e07763fa5bbc67bba5514a94be258cf2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.RA",
    "submitted_at": "2005-09-08T15:25:34Z",
    "title_canon_sha256": "25bf138f3c80cbef4d18c701e0b08ac41df410628736ab8c97aba70bbaa0dd34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0509188",
    "kind": "arxiv",
    "version": 1
  }
}