Pith Number

pith:3KHF6HMC

pith:2013:3KHF6HMCGZMEPR3A2YWSZSLRNK

not attested not anchored not stored refs pending

Completing Any Low-rank Matrix, Provably

Rachel Ward, Srinadh Bhojanapalli, Sujay Sanghavi, Yudong Chen

arxiv:1306.2979 v4 · 2013-06-12 · stat.ML · cs.IT · cs.LG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3KHF6HMCGZMEPR3A2YWSZSLRNK}

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	2026-05-18T02:47:16.109738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da8e5f1d82365847c760d62d2cc9716a8fa026fe13d09dd72d03d12662c7b15d

Aliases

arxiv: 1306.2979 · arxiv_version: 1306.2979v4 · doi: 10.48550/arxiv.1306.2979 · pith_short_12: 3KHF6HMCGZME · pith_short_16: 3KHF6HMCGZMEPR3A · pith_short_8: 3KHF6HMC

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/3KHF6HMCGZMEPR3A2YWSZSLRNK \
  | 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: da8e5f1d82365847c760d62d2cc9716a8fa026fe13d09dd72d03d12662c7b15d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "798af1b4b1b51dcdbb1f43c1b70c9102d1abd512ec900992c87f1584d8c18a49",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-06-12T21:26:00Z",
    "title_canon_sha256": "0baaacc19275b862cd72cc18cdb68de2869543dec15b7817af9efc9d52e85490"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2979",
    "kind": "arxiv",
    "version": 4
  }
}