Pith Number

pith:6VCV4WJL

pith:2021:6VCV4WJLPF6HEVOQEAX5NUMAIY

not attested not anchored not stored refs pending

Functional principal component analysis estimator for non-Gaussian data

Haocheng Li, Jingxiao Zhang, Rou Zhong, Shishi Liu

arxiv:2102.01286 v2 · 2021-02-02 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6VCV4WJLPF6HEVOQEAX5NUMAIY}

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	2026-07-05T03:06:18.392570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5455e592b797c7255d0202fd6d1804618ec02befe640e6172fc40af7fc146d3

Aliases

arxiv: 2102.01286 · arxiv_version: 2102.01286v2 · doi: 10.48550/arxiv.2102.01286 · pith_short_12: 6VCV4WJLPF6H · pith_short_16: 6VCV4WJLPF6HEVOQ · pith_short_8: 6VCV4WJL

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/6VCV4WJLPF6HEVOQEAX5NUMAIY \
  | 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: f5455e592b797c7255d0202fd6d1804618ec02befe640e6172fc40af7fc146d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94763a07f0a7a8e852fe255595defb7413d95c38b31c400b83a1293e1ebf0e78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-02-02T03:52:22Z",
    "title_canon_sha256": "9d01efc3dc832c05fb6426e589a7856daff9082ab8511e1810d927d81bb37a58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.01286",
    "kind": "arxiv",
    "version": 2
  }
}