Pith Number

pith:X44TSZIR

pith:2018:X44TSZIR2TAEWD325J4HEKG7PI

not attested not anchored not stored refs pending

Spectral properties of Kac-Murdock-Szeg\"o matrices with a complex parameter

George Fikioris

arxiv:1804.08140 v1 · 2018-04-22 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X44TSZIR2TAEWD325J4HEKG7PI}

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	2026-05-18T00:17:49.421363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf39396511d4c04b0f7aea787228df7a000b52f70ddae43686bbb26829a98dd9

Aliases

arxiv: 1804.08140 · arxiv_version: 1804.08140v1 · doi: 10.48550/arxiv.1804.08140 · pith_short_12: X44TSZIR2TAE · pith_short_16: X44TSZIR2TAEWD32 · pith_short_8: X44TSZIR

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/X44TSZIR2TAEWD325J4HEKG7PI \
  | 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: bf39396511d4c04b0f7aea787228df7a000b52f70ddae43686bbb26829a98dd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c4a5ec2c62a914d3128238d031fcd1048b45f701c0b7a9c25b5c57dcd2fb926",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-22T17:23:22Z",
    "title_canon_sha256": "454f99f727a61031118f7ff70a1d4cdb029b091aefeff07641257506f483c058"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08140",
    "kind": "arxiv",
    "version": 1
  }
}