Pith Number

pith:FL7QAJ3E

pith:2018:FL7QAJ3ERXXCWSTZBCJHXJVABR

not attested not anchored not stored refs pending

Double, borderline, and extraordinary eigenvalues of Kac-Murdock-Szeg\"o matrices with a complex parameter

George Fikioris, Themistoklis K. Mavrogordatos

arxiv:1812.06437 v3 · 2018-12-16 · math.NA · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FL7QAJ3ERXXCWSTZBCJHXJVABR}

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	2026-05-17T23:47:58.864933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2aff0027648dee2b4a7908927ba6a00c443301300cba2399454f2ce5248a4faa

Aliases

arxiv: 1812.06437 · arxiv_version: 1812.06437v3 · doi: 10.48550/arxiv.1812.06437 · pith_short_12: FL7QAJ3ERXXC · pith_short_16: FL7QAJ3ERXXCWSTZ · pith_short_8: FL7QAJ3E

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/FL7QAJ3ERXXCWSTZBCJHXJVABR \
  | 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: 2aff0027648dee2b4a7908927ba6a00c443301300cba2399454f2ce5248a4faa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cfa890cdf9ab6baa06a532e1a4bb92da4b74a73371a5fde6554d8bf4ffb4ff2",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-12-16T10:25:32Z",
    "title_canon_sha256": "438ad8757aca7475548940fe1a67aeb17590a04e948aefeab399e49792d7e16b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06437",
    "kind": "arxiv",
    "version": 3
  }
}