Pith Number

pith:Q3WS2HRF

pith:2014:Q3WS2HRFWCD76PMVLJCBZ3G4NZ

not attested not anchored not stored refs pending

Linear transformations with characteristic subspaces that are not hyperinvariant

Harald K. Wimmer, Pudji Astuti

arxiv:1401.3367 v1 · 2014-01-12 · math.RA · math.FA · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q3WS2HRFWCD76PMVLJCBZ3G4NZ}

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	2026-05-18T03:02:09.520305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86ed2d1e25b087ff3d955a441cecdc6e7ab62307685e1eb8f1cc771d62cf76c9

Aliases

arxiv: 1401.3367 · arxiv_version: 1401.3367v1 · doi: 10.48550/arxiv.1401.3367 · pith_short_12: Q3WS2HRFWCD7 · pith_short_16: Q3WS2HRFWCD76PMV · pith_short_8: Q3WS2HRF

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/Q3WS2HRFWCD76PMVLJCBZ3G4NZ \
  | 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: 86ed2d1e25b087ff3d955a441cecdc6e7ab62307685e1eb8f1cc771d62cf76c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3e106d0b6368a3595543db47c2a193418ee5737e223f5fe4697540eb1ed0d0f",
    "cross_cats_sorted": [
      "math.FA",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-01-12T12:24:40Z",
    "title_canon_sha256": "9206a484e0c667be83b1c485727b4a33289b9b40c2f67418c70cbff0fa63d951"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3367",
    "kind": "arxiv",
    "version": 1
  }
}