Pith Number

pith:7NBX7DRB

pith:2019:7NBX7DRBXYJJRJYS7ZW4PEV5W7

not attested not anchored not stored refs pending

Spectral Distribution in the Eigenvalues Sequence of Products of g-Toeplitz Structures

Eric Ngondiep

arxiv:1905.03034 v1 · 2019-05-02 · 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{7NBX7DRBXYJJRJYS7ZW4PEV5W7}

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	2026-05-17T23:46:43.097922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb437f8e21be1298a712fe6dc792bdb7ff91a4622b8e31d9f72763e80367a8a7

Aliases

arxiv: 1905.03034 · arxiv_version: 1905.03034v1 · doi: 10.48550/arxiv.1905.03034 · pith_short_12: 7NBX7DRBXYJJ · pith_short_16: 7NBX7DRBXYJJRJYS · pith_short_8: 7NBX7DRB

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/7NBX7DRBXYJJRJYS7ZW4PEV5W7 \
  | 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: fb437f8e21be1298a712fe6dc792bdb7ff91a4622b8e31d9f72763e80367a8a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "059f531467f2979573ecaee488861a8e8c83c632643209ae5447c7a4a0143677",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-05-02T18:31:02Z",
    "title_canon_sha256": "06eee6804553e7b398a560e26c42f8b07b39581b406dadc8c0ad71519a4e3277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03034",
    "kind": "arxiv",
    "version": 1
  }
}