Pith Number

pith:22NSUCVB

pith:2014:22NSUCVBJUH4KB3LRCV3WZ6RJV

not attested not anchored not stored refs pending

Fixed-rank Rayleigh Quotient Maximization by an $M$PSK Sequence

Anastasios Kyrillidis, George N. Karystinos

arxiv:1401.6968 v1 · 2014-01-27 · cs.IT · math.CO · math.IT · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{22NSUCVBJUH4KB3LRCV3WZ6RJV}

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	2026-05-18T03:01:00.124910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d69b2a0aa14d0fc5076b88abbb67d14d7d35fcf4ae654a6b356afa4b2f6bad3e

Aliases

arxiv: 1401.6968 · arxiv_version: 1401.6968v1 · doi: 10.48550/arxiv.1401.6968 · pith_short_12: 22NSUCVBJUH4 · pith_short_16: 22NSUCVBJUH4KB3L · pith_short_8: 22NSUCVB

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/22NSUCVBJUH4KB3LRCV3WZ6RJV \
  | 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: d69b2a0aa14d0fc5076b88abbb67d14d7d35fcf4ae654a6b356afa4b2f6bad3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45a1847c0335f6d583e9bfbeec32588d35dd97c8eee45f610ae62f178357129f",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-01-27T19:59:31Z",
    "title_canon_sha256": "04f4da78e45c76dc097c5fc572e82b873f6f649ac3188446097cb509715b8840"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6968",
    "kind": "arxiv",
    "version": 1
  }
}