Pith Number

pith:WO22V7NN

pith:2011:WO22V7NN7Q23RDI2FJYTLTL5DC

not attested not anchored not stored refs pending

On an argument of J.--F. Cardoso dealing with perturbations of joint diagonalizers

Francesco G. Russo (Universita' degli Studi di Palermo, Italy), Palermo

arxiv:1103.3670 v3 · 2011-03-18 · 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{WO22V7NN7Q23RDI2FJYTLTL5DC}

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	2026-05-18T03:33:26.750554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3b5aafdadfc35b88d1a2a7135cd7d18ac822b17a57e2ca80b568e765c9e9bfc

Aliases

arxiv: 1103.3670 · arxiv_version: 1103.3670v3 · doi: 10.48550/arxiv.1103.3670 · pith_short_12: WO22V7NN7Q23 · pith_short_16: WO22V7NN7Q23RDI2 · pith_short_8: WO22V7NN

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/WO22V7NN7Q23RDI2FJYTLTL5DC \
  | 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: b3b5aafdadfc35b88d1a2a7135cd7d18ac822b17a57e2ca80b568e765c9e9bfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b24f3eef96d0e4770736b8f546ea397b7faad2ae9f56e9339d484c56d9d3c54b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2011-03-18T17:26:46Z",
    "title_canon_sha256": "699ed7a6775c1f007f3f9331909842284ac91fb6d349126bdbb53ee96fdd2bc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3670",
    "kind": "arxiv",
    "version": 3
  }
}