Pith Number

pith:CUXKN4N4

pith:2018:CUXKN4N47V4SPZ2BD4ST4ITFRQ

not attested not anchored not stored refs pending

Efficient Realization of Givens Rotation through Algorithm-Architecture Co-design for Acceleration of QR Factorization

Anupam Chattopadhyay, Farhad Merchant, Rainer Leupers, Ranjani Narayan, S K Nandy, Soumyendu Raha, Tarun Vatwani

arxiv:1803.05320 v2 · 2018-03-14 · cs.DC · cs.AR · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CUXKN4N47V4SPZ2BD4ST4ITFRQ}

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	2026-05-18T00:20:21.640726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

152ea6f1bcfd7927e7411f253e22658c32a43fcf8c291f42935498c5ccaf166b

Aliases

arxiv: 1803.05320 · arxiv_version: 1803.05320v2 · doi: 10.48550/arxiv.1803.05320 · pith_short_12: CUXKN4N47V4S · pith_short_16: CUXKN4N47V4SPZ2B · pith_short_8: CUXKN4N4

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/CUXKN4N47V4SPZ2BD4ST4ITFRQ \
  | 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: 152ea6f1bcfd7927e7411f253e22658c32a43fcf8c291f42935498c5ccaf166b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3827464d0490adcbcf14a0fe0d4ade028447b48062791c72468297469cc9e07",
    "cross_cats_sorted": [
      "cs.AR",
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-03-14T14:41:52Z",
    "title_canon_sha256": "9f9eddfbb7b95234a2974f134d85df1c255fe79a44fee903b99acc303be2be61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05320",
    "kind": "arxiv",
    "version": 2
  }
}