Pith Number

pith:EZDGX2ZI

pith:2008:EZDGX2ZIGRDA3UEIJKDBHHB3LX

not attested not anchored not stored refs pending

Galois coverings of weakly shod algebras

Patrick Le Meur (CMLA)

arxiv:0809.5122 v2 · 2008-09-30 · 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{EZDGX2ZIGRDA3UEIJKDBHHB3LX}

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	2026-05-18T04:31:22.797041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26466beb2834460dd0884a86139c3b5de550427d1fc84fdc1eee387af8b0b23c

Aliases

arxiv: 0809.5122 · arxiv_version: 0809.5122v2 · doi: 10.48550/arxiv.0809.5122 · pith_short_12: EZDGX2ZIGRDA · pith_short_16: EZDGX2ZIGRDA3UEI · pith_short_8: EZDGX2ZI

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/EZDGX2ZIGRDA3UEIJKDBHHB3LX \
  | 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: 26466beb2834460dd0884a86139c3b5de550427d1fc84fdc1eee387af8b0b23c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "343e5ce156054355fb5875010cecd72f08907ecfbc7e261fd02379a81ee6594a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2008-09-30T06:51:11Z",
    "title_canon_sha256": "bfbd0c2bb6676f13c896b8f6ca658916fd99bed27b4123f2fce9b455ad56410a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.5122",
    "kind": "arxiv",
    "version": 2
  }
}