Pith Number

pith:PMIYP7J5

pith:2017:PMIYP7J53BMFFMLH4B6BVQOL7X

not attested not anchored not stored refs pending

Efficient Estimation of Linear Functionals of Principal Components

Matthias L\"offler, Richard Nickl, Vladimir Koltchinskii

arxiv:1708.07642 v4 · 2017-08-25 · math.ST · 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{PMIYP7J53BMFFMLH4B6BVQOL7X}

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	2026-05-17T23:56:05.562742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b1187fd3dd85852b167e07c1ac1cbfdc1d712b5847af793c8ba9100dfb34d7e

Aliases

arxiv: 1708.07642 · arxiv_version: 1708.07642v4 · doi: 10.48550/arxiv.1708.07642 · pith_short_12: PMIYP7J53BMF · pith_short_16: PMIYP7J53BMFFMLH · pith_short_8: PMIYP7J5

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/PMIYP7J53BMFFMLH4B6BVQOL7X \
  | 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: 7b1187fd3dd85852b167e07c1ac1cbfdc1d712b5847af793c8ba9100dfb34d7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dfeacbe84cf219e8f5c2d89acb92bdaa9efecaebd36481c9990b2bf5e32df80",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2017-08-25T08:08:39Z",
    "title_canon_sha256": "831ccb794aec369d1936b14c9ca7cb3c746753f4753ff4faeb71a5f7b4f465c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07642",
    "kind": "arxiv",
    "version": 4
  }
}