Pith Number

pith:O35CB7KF

pith:2013:O35CB7KF5MHLVQP6YXTKGQJ4E2

not attested not anchored not stored refs pending

Square Deal: Lower Bounds and Improved Relaxations for Tensor Recovery

Bo Huang, Cun Mu, Donald Goldfarb, John Wright

arxiv:1307.5870 v2 · 2013-07-22 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O35CB7KF5MHLVQP6YXTKGQJ4E2}

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	2026-05-18T03:15:55.473457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76fa20fd45eb0ebac1fec5e6a3413c26b74d91fac14446d933b746198032b5aa

Aliases

arxiv: 1307.5870 · arxiv_version: 1307.5870v2 · doi: 10.48550/arxiv.1307.5870 · pith_short_12: O35CB7KF5MHL · pith_short_16: O35CB7KF5MHLVQP6 · pith_short_8: O35CB7KF

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/O35CB7KF5MHLVQP6YXTKGQJ4E2 \
  | 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: 76fa20fd45eb0ebac1fec5e6a3413c26b74d91fac14446d933b746198032b5aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3900b9dacb3754e00fd4fa56c97ef05fdf2f866885078920ceb0c78fd47cbaf",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-07-22T20:23:29Z",
    "title_canon_sha256": "48920d17e0d2f1f41162cec694d88e2c00ebc957492f516c0bdd28d364d134f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5870",
    "kind": "arxiv",
    "version": 2
  }
}