Pith Number

pith:UQING27M

pith:2018:UQING27MFCEYCQJBUNFFZL4AHX

not attested not anchored not stored refs pending

Sparse and Low-rank Tensor Estimation via Cubic Sketchings

Anru Zhang, Botao Hao, Guang Cheng

arxiv:1801.09326 v4 · 2018-01-29 · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQING27MFCEYCQJBUNFFZL4AHX}

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	2026-07-05T00:47:54.592377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a410d36bec2889814121a34a5caf803dd575a0c43eaa2140ccf174124eb16a1e

Aliases

arxiv: 1801.09326 · arxiv_version: 1801.09326v4 · doi: 10.48550/arxiv.1801.09326 · pith_short_12: UQING27MFCEY · pith_short_16: UQING27MFCEYCQJB · pith_short_8: UQING27M

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/UQING27MFCEYCQJBUNFFZL4AHX \
  | 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: a410d36bec2889814121a34a5caf803dd575a0c43eaa2140ccf174124eb16a1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a940b8ce64aeb2e83866dfc37dc2b3e530ed75716aa2456ee038a16c4d774b41",
    "cross_cats_sorted": [
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-01-29T00:26:39Z",
    "title_canon_sha256": "8d7bca9cae06d66c5dc58481ccf8a8f82128d9ba8545f31f8c1922882ec1b6f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09326",
    "kind": "arxiv",
    "version": 4
  }
}