Pith Number

pith:2OHZPOY6

pith:2010:2OHZPOY6XO5YIJPTTGPLYK3JPM

not attested not anchored not stored refs pending

Irreducible actions and compressible modules

Christian Lomp, In\^es Borges

arxiv:1003.4108 v1 · 2010-03-22 · 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{2OHZPOY6XO5YIJPTTGPLYK3JPM}

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	2026-05-18T03:32:45.792387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d38f97bb1ebbbb8425f3999ebc2b697b0316722d36479c7b47106285e1bfcad7

Aliases

arxiv: 1003.4108 · arxiv_version: 1003.4108v1 · doi: 10.48550/arxiv.1003.4108 · pith_short_12: 2OHZPOY6XO5Y · pith_short_16: 2OHZPOY6XO5YIJPT · pith_short_8: 2OHZPOY6

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/2OHZPOY6XO5YIJPTTGPLYK3JPM \
  | 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: d38f97bb1ebbbb8425f3999ebc2b697b0316722d36479c7b47106285e1bfcad7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff44e5687f6f6fed06cb1daf50b7a389de88a951cf55d7c0aa8238bdebd77681",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2010-03-22T09:59:45Z",
    "title_canon_sha256": "a328e4460bffb3a1d15f983ed08701efc3c9fef1711a3a97741bfc1af88c0a87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4108",
    "kind": "arxiv",
    "version": 1
  }
}