Pith Number

pith:KPM6GNDW

pith:2014:KPM6GNDWH56Z5TWGGGW5I4SGAU

not attested not anchored not stored refs pending

Forward stable eigenvalue decomposition of rank-one modifications of diagonal matrices

Ivan Slapnicar, Jesse L. Barlow, Nevena Jakovcevic Stor

arxiv:1405.7537 v2 · 2014-05-29 · 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{KPM6GNDWH56Z5TWGGGW5I4SGAU}

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	2026-05-18T01:32:41.890496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53d9e334763f7d9ecec631add472460517fe6ce224a0c8fa9fae4f666ed5f461

Aliases

arxiv: 1405.7537 · arxiv_version: 1405.7537v2 · doi: 10.48550/arxiv.1405.7537 · pith_short_12: KPM6GNDWH56Z · pith_short_16: KPM6GNDWH56Z5TWG · pith_short_8: KPM6GNDW

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/KPM6GNDWH56Z5TWGGGW5I4SGAU \
  | 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: 53d9e334763f7d9ecec631add472460517fe6ce224a0c8fa9fae4f666ed5f461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a136feb1fe881cd260fb499298ff059dea2039f7c74d4782ad874822de96c01b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-05-29T12:36:46Z",
    "title_canon_sha256": "de6d32e84157f3d8583a7168b1295bcb1a7ba89f0fdf9a7b42fd0819975144e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7537",
    "kind": "arxiv",
    "version": 2
  }
}