Pith Number

pith:4IAM725K

pith:2015:4IAM725KKSS5PN2R42M7PUQPD7

not attested not anchored not stored refs pending

Private Approximations of the 2nd-Moment Matrix Using Existing Techniques in Linear Regression

Or Sheffet

arxiv:1507.00056 v2 · 2015-06-30 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4IAM725KKSS5PN2R42M7PUQPD7}

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.

Cited by

1 paper in Pith

Differentially private hypothesis testing in survival analysis

Receipt and verification

First computed	2026-05-18T01:26:02.702764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e200cfebaa54a5d7b751e699f7d20f1fd95d49cc017132b273eba3e1c62938dc

Aliases

arxiv: 1507.00056 · arxiv_version: 1507.00056v2 · doi: 10.48550/arxiv.1507.00056 · pith_short_12: 4IAM725KKSS5 · pith_short_16: 4IAM725KKSS5PN2R · pith_short_8: 4IAM725K

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/4IAM725KKSS5PN2R42M7PUQPD7 \
  | 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: e200cfebaa54a5d7b751e699f7d20f1fd95d49cc017132b273eba3e1c62938dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8063d0013e9eb7eceeea38694ec13c2a6b1d9303b28fd7fe31efc4811cc6dc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-06-30T22:46:35Z",
    "title_canon_sha256": "fe67282a55294000979b85b7984bb7d75c2cb1762a0176063fade466ac3a0982"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00056",
    "kind": "arxiv",
    "version": 2
  }
}