Pith Number

pith:XW2ZHRO7

pith:2022:XW2ZHRO7OGIOB6XM7U6MFCZHNT

not attested not anchored not stored refs pending

Low Rank Quaternion Matrix Completion Based on Quaternion QR Decomposition and Sparse Regularizer

Jifei Miao, Juan Han, Kit Ian Kou, Liqiao Yang, Lizhi Liu

arxiv:2211.12793 v1 · 2022-11-23 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XW2ZHRO7OGIOB6XM7U6MFCZHNT}

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	2026-07-05T05:18:55.198191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdb593c5df7190e0faecfd3cc28b276cd9a5a61d47ae1d2f9c7b3d926b640cc4

Aliases

arxiv: 2211.12793 · arxiv_version: 2211.12793v1 · doi: 10.48550/arxiv.2211.12793 · pith_short_12: XW2ZHRO7OGIO · pith_short_16: XW2ZHRO7OGIOB6XM · pith_short_8: XW2ZHRO7

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/XW2ZHRO7OGIOB6XM7U6MFCZHNT \
  | 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: bdb593c5df7190e0faecfd3cc28b276cd9a5a61d47ae1d2f9c7b3d926b640cc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "552189a0808f6ea1bcac4e6bd04f8b4b6ef12903763b26c559da53107c582dc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-11-23T09:15:14Z",
    "title_canon_sha256": "f27bb1aa877b8965106e1a669e6026611084cb1e73f39470f5c3eca038f77ffd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.12793",
    "kind": "arxiv",
    "version": 1
  }
}