Pith Number

pith:BWB4VBOC

pith:2019:BWB4VBOCTWGVYCDFIXA2RROZ47

not attested not anchored not stored refs pending

A note on variance bounds and location of eigenvalues

A. Sharma, R. Saini, R. Sharma

arxiv:1905.07568 v1 · 2019-05-18 · math.FA · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BWB4VBOCTWGVYCDFIXA2RROZ47}

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	2026-05-17T23:45:49.280359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d83ca85c29d8d5c086545c1a8c5d9e7f05fe1e7003886ecd93f7124d1919cc9

Aliases

arxiv: 1905.07568 · arxiv_version: 1905.07568v1 · doi: 10.48550/arxiv.1905.07568 · pith_short_12: BWB4VBOCTWGV · pith_short_16: BWB4VBOCTWGVYCDF · pith_short_8: BWB4VBOC

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/BWB4VBOCTWGVYCDFIXA2RROZ47 \
  | 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: 0d83ca85c29d8d5c086545c1a8c5d9e7f05fe1e7003886ecd93f7124d1919cc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a67db672e5c7d938c97113c87f804afe13a4565d4604ee37f77b654cc6c9f044",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-05-18T09:54:40Z",
    "title_canon_sha256": "7f2e0ddd7cc6cc8085f9791667a1cfff33843833c660cef7881e4575629dcbb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07568",
    "kind": "arxiv",
    "version": 1
  }
}