Pith Number

pith:NP4UXMLM

pith:2014:NP4UXMLMOSLOZQZ4VE5HIWKWMA

not attested not anchored not stored refs pending

Sparse CCA: Adaptive Estimation and Computational Barriers

Chao Gao, Harrison H. Zhou, Zongming Ma

arxiv:1409.8565 v4 · 2014-09-30 · stat.ME · 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{NP4UXMLMOSLOZQZ4VE5HIWKWMA}

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	2026-05-18T01:17:53.247341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bf94bb16c7496ecc33ca93a745956602868ad42dc54c9a84a4a9e8edf731a6e

Aliases

arxiv: 1409.8565 · arxiv_version: 1409.8565v4 · doi: 10.48550/arxiv.1409.8565 · pith_short_12: NP4UXMLMOSLO · pith_short_16: NP4UXMLMOSLOZQZ4 · pith_short_8: NP4UXMLM

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/NP4UXMLMOSLOZQZ4VE5HIWKWMA \
  | 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: 6bf94bb16c7496ecc33ca93a745956602868ad42dc54c9a84a4a9e8edf731a6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edde101e17b375de396d69a5828263b186983e68e2740a68f45f34d08ceffff0",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-09-30T14:36:15Z",
    "title_canon_sha256": "869535c2f5a3b0ce7b2a992f280f11169262118793bbc4e1e7684f8027f02783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8565",
    "kind": "arxiv",
    "version": 4
  }
}