Pith Number

pith:MVLDS5GY

pith:2014:MVLDS5GYKWGVYY3VRWSTHAOPBG

not attested not anchored not stored refs pending

On rigorous estimates of eigenspaces and eigenvalues of a matrix

Jacek Tabor, {\L}ukasz Struski, Piotr Zgliczy\'nski

arxiv:1410.5781 v3 · 2014-10-21 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MVLDS5GYKWGVYY3VRWSTHAOPBG}

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	2026-05-18T02:05:24.231006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65563974d8558d5c63758da53381cf09b42ac0d8b4287591b067fc78b0068ba8

Aliases

arxiv: 1410.5781 · arxiv_version: 1410.5781v3 · doi: 10.48550/arxiv.1410.5781 · pith_short_12: MVLDS5GYKWGV · pith_short_16: MVLDS5GYKWGVYY3V · pith_short_8: MVLDS5GY

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/MVLDS5GYKWGVYY3VRWSTHAOPBG \
  | 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: 65563974d8558d5c63758da53381cf09b42ac0d8b4287591b067fc78b0068ba8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd797d59f03bbc5b7573b75aa84982c31f800edb0c51536ace23de70825407a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-10-21T18:42:44Z",
    "title_canon_sha256": "d6ebc681ce050ffe0a34485e3d645b540c8be91494e8ac20f52583884c943887"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5781",
    "kind": "arxiv",
    "version": 3
  }
}