Pith Number

pith:XBKGHM7V

pith:2019:XBKGHM7VOF2G7DISQAB36UUIJS

not attested not anchored not stored refs pending

The low-rank eigenvalue problem

Yuji Nakatsukasa

arxiv:1905.11490 v1 · 2019-05-27 · 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{XBKGHM7VOF2G7DISQAB36UUIJS}

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.

Cited by

1 paper in Pith

The dual Burnside process

Receipt and verification

First computed	2026-05-17T23:44:53.272807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b85463b3f571746f8d128003bf52884c9b92d206a1f61c1e415d8923916fbe75

Aliases

arxiv: 1905.11490 · arxiv_version: 1905.11490v1 · doi: 10.48550/arxiv.1905.11490 · pith_short_12: XBKGHM7VOF2G · pith_short_16: XBKGHM7VOF2G7DIS · pith_short_8: XBKGHM7V

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/XBKGHM7VOF2G7DISQAB36UUIJS \
  | 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: b85463b3f571746f8d128003bf52884c9b92d206a1f61c1e415d8923916fbe75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "689dc66726c316e3ba34cbd6123918aa237692ca42ed1ec129f7555e022dbf41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-05-27T20:31:44Z",
    "title_canon_sha256": "d9ee25971e4d0d25231e33f51fef5a2b87e01e213f7e8addd0a8c9cebbf37fd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11490",
    "kind": "arxiv",
    "version": 1
  }
}