Pith Number

pith:7Z5NN2CY

pith:2015:7Z5NN2CYAMJ65NI435TVKHZ7KU

not attested not anchored not stored refs pending

Relaxed Leverage Sampling for Low-rank Matrix Completion

Abhisek Kundu

arxiv:1503.06379 v3 · 2015-03-22 · cs.IT · cs.LG · math.IT · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7Z5NN2CYAMJ65NI435TVKHZ7KU}

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	2026-05-18T01:17:33.195008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe7ad6e8580313eeb51cdf67551f3f55158f93c048b720885e473a8be1bbae9f

Aliases

arxiv: 1503.06379 · arxiv_version: 1503.06379v3 · doi: 10.48550/arxiv.1503.06379 · pith_short_12: 7Z5NN2CYAMJ6 · pith_short_16: 7Z5NN2CYAMJ65NI4 · pith_short_8: 7Z5NN2CY

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/7Z5NN2CYAMJ65NI435TVKHZ7KU \
  | 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: fe7ad6e8580313eeb51cdf67551f3f55158f93c048b720885e473a8be1bbae9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9299cd98d4f7304a9014d1be0b558619015450569894205a2e3004e54b128817",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-03-22T03:27:15Z",
    "title_canon_sha256": "e8437a5db7e28a89efb50885f3fda3f4f8c0baf6f0a6bbefcb98a84b95bb8755"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06379",
    "kind": "arxiv",
    "version": 3
  }
}