Pith Number

pith:N6UPRU2U

pith:2021:N6UPRU2ULILVL2CFI7ZGQVRGN6

not attested not anchored not stored refs pending

Low-rank Tensor Estimation via Riemannian Gauss-Newton: Statistical Optimality and Second-Order Convergence

Anru R. Zhang, Yuetian Luo

arxiv:2104.12031 v4 · 2021-04-24 · stat.ML · cs.LG · cs.NA · math.NA · math.OC · stat.ME

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\usepackage{pith}
\pithnumber{N6UPRU2ULILVL2CFI7ZGQVRGN6}

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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.

Cited by

1 paper in Pith

A Scalable Factorization Approach for High-Order Structured Tensor Recovery

Receipt and verification

First computed	2026-07-05T06:28:50.764040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fa8f8d3545a1755e84547f26856266fb40bf17991118670c1a74f846739aa00

Aliases

arxiv: 2104.12031 · arxiv_version: 2104.12031v4 · doi: 10.48550/arxiv.2104.12031 · pith_short_12: N6UPRU2ULILV · pith_short_16: N6UPRU2ULILVL2CF · pith_short_8: N6UPRU2U

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/N6UPRU2ULILVL2CFI7ZGQVRGN6 \
  | 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: 6fa8f8d3545a1755e84547f26856266fb40bf17991118670c1a74f846739aa00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c415f336f5f588f6ac6a6db0e51e42950869e9749cf6f8b6079ff9713e4aa1bd",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA",
      "math.OC",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2021-04-24T22:24:14Z",
    "title_canon_sha256": "7425b226948b413cdd369984b75275ad9a591389a83b76383a01d095918cd9c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.12031",
    "kind": "arxiv",
    "version": 4
  }
}