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Pith Number

pith:OCZ623EP

pith:2013:OCZ623EPGGE6BPBNA6VXWDW5LH
not attested not anchored not stored refs pending

A note on the $\top$-Stein matrix equation

Chun-Yueh Chiang

arxiv:1305.4243 v3 · 2013-05-18 · math.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OCZ623EPGGE6BPBNA6VXWDW5LH}

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 2026-05-18T02:59:47.968341Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

70b3ed6c8f3189e0bc2d07ab7b0edd59cb5d51d57f005408a839b820b6402671

Aliases

arxiv: 1305.4243 · arxiv_version: 1305.4243v3 · doi: 10.48550/arxiv.1305.4243 · pith_short_12: OCZ623EPGGE6 · pith_short_16: OCZ623EPGGE6BPBN · pith_short_8: OCZ623EP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OCZ623EPGGE6BPBNA6VXWDW5LH \
  | 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: 70b3ed6c8f3189e0bc2d07ab7b0edd59cb5d51d57f005408a839b820b6402671
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6ecbf356370da1b7bdb7e5fed23d0657ab35eb9a26ba5e9b0f0757c186b667c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-05-18T08:39:39Z",
    "title_canon_sha256": "77e19ab60370c3f114abe7150d748858afc5747e866d6bf1698a544662d00007"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4243",
    "kind": "arxiv",
    "version": 3
  }
}