Pith Number

pith:OPM4KE3T

pith:2019:OPM4KE3TELTCZECMISVNRPRXS6

not attested not anchored not stored refs pending

A Fast Spectral Algorithm for Mean Estimation with Sub-Gaussian Rates

Fred Zhang, Kyle Luh, Prayaag Venkat, Zhixian Lei

arxiv:1908.04468 v2 · 2019-08-13 · math.ST · cs.DS · cs.LG · 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{OPM4KE3TELTCZECMISVNRPRXS6}

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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

Lecture Notes: Selected topics on robust statistical learning theory

Receipt and verification

First computed	2026-07-05T00:41:12.781714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73d9c5137322e62c904c44aad8be3797bdd128db3829bb20a5fabf8b7da01472

Aliases

arxiv: 1908.04468 · arxiv_version: 1908.04468v2 · doi: 10.48550/arxiv.1908.04468 · pith_short_12: OPM4KE3TELTC · pith_short_16: OPM4KE3TELTCZECM · pith_short_8: OPM4KE3T

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/OPM4KE3TELTCZECMISVNRPRXS6 \
  | 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: 73d9c5137322e62c904c44aad8be3797bdd128db3829bb20a5fabf8b7da01472

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb3a17064cf5dc48ecc1a7443e6250fec2eb814701b1496eccc102abd6105c0d",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.LG",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-08-13T02:56:01Z",
    "title_canon_sha256": "cedc306e1c7836f92ce550626fb8641770bfdfd767d86eb34bbcfd843031037b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04468",
    "kind": "arxiv",
    "version": 2
  }
}