Pith Number

pith:2Y2OLSQE

pith:2010:2Y2OLSQEAVN6QRKM6FP7KLWRWE

not attested not anchored not stored refs pending

Low-rank matrix recovery via iteratively reweighted least squares minimization

Holger Rauhut, Massimo Fornasier, Rachel Ward

arxiv:1010.2471 v4 · 2010-10-12 · 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{2Y2OLSQEAVN6QRKM6FP7KLWRWE}

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	2026-05-18T04:18:04.503959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d634e5ca04055be8454cf15ff52ed1b1213a74d3fc4d94f86d1500914bde2fad

Aliases

arxiv: 1010.2471 · arxiv_version: 1010.2471v4 · doi: 10.48550/arxiv.1010.2471 · pith_short_12: 2Y2OLSQEAVN6 · pith_short_16: 2Y2OLSQEAVN6QRKM · pith_short_8: 2Y2OLSQE

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/2Y2OLSQEAVN6QRKM6FP7KLWRWE \
  | 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: d634e5ca04055be8454cf15ff52ed1b1213a74d3fc4d94f86d1500914bde2fad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "471dc06a802cb40ecfe0bd75bf4de1e4e2bdc4925ff03a92baf4db5df4637833",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2010-10-12T18:47:46Z",
    "title_canon_sha256": "9d02cdff711713fd041dc1081b7ba2badc9105a5c2c5f207b7532a32e6b9b5b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2471",
    "kind": "arxiv",
    "version": 4
  }
}