Pith Number

pith:5FXESDOY

pith:2019:5FXESDOY5BTD5BD6P2IJXF5IGK

not attested not anchored not stored refs pending

Computational Hardness of Certifying Bounds on Constrained PCA Problems

Afonso S. Bandeira, Alexander S. Wein, Dmitriy Kunisky

arxiv:1902.07324 v2 · 2019-02-19 · cs.DS · cs.CC · 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{5FXESDOY5BTD5BD6P2IJXF5IGK}

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

Notes on Computational Hardness of Hypothesis Testing: Predictions using the Low-Degree Likelihood Ratio

Receipt and verification

First computed	2026-05-17T23:49:14.596199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e96e490dd8e8663e847e7e909b97a8328fd51cd0179d6015aac76b98188d4ddc

Aliases

arxiv: 1902.07324 · arxiv_version: 1902.07324v2 · doi: 10.48550/arxiv.1902.07324 · pith_short_12: 5FXESDOY5BTD · pith_short_16: 5FXESDOY5BTD5BD6 · pith_short_8: 5FXESDOY

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/5FXESDOY5BTD5BD6P2IJXF5IGK \
  | 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: e96e490dd8e8663e847e7e909b97a8328fd51cd0179d6015aac76b98188d4ddc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7715e6651c885d97232101c8bbfb419f5bcf45c1b3e899ec48404d1c2c2822b",
    "cross_cats_sorted": [
      "cs.CC",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-02-19T22:18:46Z",
    "title_canon_sha256": "7345224c094d7e295977f305678313a9c4e4cfe367a44097cc3cf522f7248609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07324",
    "kind": "arxiv",
    "version": 2
  }
}