Pith Number

pith:RTOGMKAM

pith:2017:RTOGMKAM6FXOMUVDNSNEUEXMTW

not attested not anchored not stored refs pending

Fast Eigen Decomposition for Low-Rank Matrix Approximation

Youhei Akimoto

arxiv:1706.02069 v1 · 2017-06-07 · cs.NA · 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{RTOGMKAM6FXOMUVDNSNEUEXMTW}

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	2026-05-18T00:42:50.204359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cdc66280cf16ee652a36c9a4a12ec9d8d58cc462a296cefcb0b18c964c69fdc

Aliases

arxiv: 1706.02069 · arxiv_version: 1706.02069v1 · doi: 10.48550/arxiv.1706.02069 · pith_short_12: RTOGMKAM6FXO · pith_short_16: RTOGMKAM6FXOMUVD · pith_short_8: RTOGMKAM

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/RTOGMKAM6FXOMUVDNSNEUEXMTW \
  | 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: 8cdc66280cf16ee652a36c9a4a12ec9d8d58cc462a296cefcb0b18c964c69fdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9007cccedaad85e1db61c221f7e8637d628362ea35a1172a1fe14cabe1b3b51b",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-06-07T07:24:49Z",
    "title_canon_sha256": "49ddbd0fed3da476f8691e5e29c10e64736f174885ae23e9a5dc07fbb09601b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02069",
    "kind": "arxiv",
    "version": 1
  }
}