Pith Number

pith:DX54XYYK

pith:2022:DX54XYYKIWJDXWTSOARPLUVMLW

not attested not anchored not stored refs pending

Pfister's local-global principle for Azumaya algebras with involution

Thomas Unger, Vincent Astier

arxiv:2210.04851 v5 · 2022-10-10 · 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{DX54XYYKIWJDXWTSOARPLUVMLW}

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.

Cited by

1 paper in Pith

Signature maps from positive cones on algebras with involution

Receipt and verification

First computed	2026-07-05T12:01:42.807704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dfbcbe30a45923bda727022f5d2ac5d81f7c17e4d8e9022f129cac16cd3e371

Aliases

arxiv: 2210.04851 · arxiv_version: 2210.04851v5 · doi: 10.48550/arxiv.2210.04851 · pith_short_12: DX54XYYKIWJD · pith_short_16: DX54XYYKIWJDXWTS · pith_short_8: DX54XYYK

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/DX54XYYKIWJDXWTSOARPLUVMLW \
  | 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: 1dfbcbe30a45923bda727022f5d2ac5d81f7c17e4d8e9022f129cac16cd3e371

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a5d258fd8e468c679ed73eac60216bb6ca39698ca73fff0d36f95ae4bb000dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2022-10-10T17:08:53Z",
    "title_canon_sha256": "1da01a09e5b5477b9e3aa5132d9be3b09227b433ce429e8f4533a1d98f9a3336"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.04851",
    "kind": "arxiv",
    "version": 5
  }
}