Pith Number

pith:ZWQWTKFJ

pith:2017:ZWQWTKFJSXTL57ULF4SCOB37QK

not attested not anchored not stored refs pending

The Normalized Singular Value Decomposition of Non-Symmetric Matrices Using Givens fast Rotations

Ehsan Rohani, Gwan Choi, Mi Lu

arxiv:1707.05189 v1 · 2017-07-04 · cs.NA · cs.AR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZWQWTKFJSXTL57ULF4SCOB37QK}

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	2026-05-18T00:40:09.243449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cda169a8a995e6befe8b2f2427077f82a5eff1a0ac3220f68df8b4199f4723e0

Aliases

arxiv: 1707.05189 · arxiv_version: 1707.05189v1 · doi: 10.48550/arxiv.1707.05189 · pith_short_12: ZWQWTKFJSXTL · pith_short_16: ZWQWTKFJSXTL57UL · pith_short_8: ZWQWTKFJ

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/ZWQWTKFJSXTL57ULF4SCOB37QK \
  | 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: cda169a8a995e6befe8b2f2427077f82a5eff1a0ac3220f68df8b4199f4723e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1709ffce571b948162ca84af3a2cc674de04b9a3703ad3e9b290cc35738794b",
    "cross_cats_sorted": [
      "cs.AR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-07-04T18:49:25Z",
    "title_canon_sha256": "a6c663f6d9e4424a90a55411382ff68fb50a21c3fbdef39ab3fe5142097e190d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05189",
    "kind": "arxiv",
    "version": 1
  }
}