Pith Number

pith:XH6DGEPV

pith:2019:XH6DGEPVJMPM7KZLJO2BAIGIA3

not attested not anchored not stored refs pending

Extending the Davis-Kahan theorem for comparing eigenvectors of two symmetric matrices II: Computation and Applications

A. T. Walden, J. F. Lutzeyer

arxiv:1908.03465 v1 · 2019-08-09 · 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{XH6DGEPVJMPM7KZLJO2BAIGIA3}

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	2026-07-04T23:52:40.181420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9fc3311f54b1ecfab2b4bb41020c806e776b723819a242f52656e6ccc83d55d

Aliases

arxiv: 1908.03465 · arxiv_version: 1908.03465v1 · doi: 10.48550/arxiv.1908.03465 · pith_short_12: XH6DGEPVJMPM · pith_short_16: XH6DGEPVJMPM7KZL · pith_short_8: XH6DGEPV

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/XH6DGEPVJMPM7KZLJO2BAIGIA3 \
  | 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: b9fc3311f54b1ecfab2b4bb41020c806e776b723819a242f52656e6ccc83d55d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8380dfb7a912e0272c5fab64efb5e8f65bc2d7a62bad6440dc8cdad089bcaecf",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-08-09T14:09:59Z",
    "title_canon_sha256": "8dee0eb785654a2ca0a6d92ef3f7ceb1bb351c7479f310ea38327aaec28f71e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03465",
    "kind": "arxiv",
    "version": 1
  }
}