Pith Number

pith:3EHOIQFH

pith:2016:3EHOIQFHZKCNSO77QRVDP4F5AR

not attested not anchored not stored refs pending

PCA from noisy, linearly reduced data: the diagonal case

Amit Singer, Edgar Dobriban, William Leeb

arxiv:1611.10333 v2 · 2016-11-30 · math.ST · math.PR · 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{3EHOIQFHZKCNSO77QRVDP4F5AR}

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	2026-05-18T00:01:43.966775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d90ee440a7ca84d93bff846a37f0bd0467d9c485c42990b6f0bd9cab2a1e04dd

Aliases

arxiv: 1611.10333 · arxiv_version: 1611.10333v2 · doi: 10.48550/arxiv.1611.10333 · pith_short_12: 3EHOIQFHZKCN · pith_short_16: 3EHOIQFHZKCNSO77 · pith_short_8: 3EHOIQFH

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/3EHOIQFHZKCNSO77QRVDP4F5AR \
  | 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: d90ee440a7ca84d93bff846a37f0bd0467d9c485c42990b6f0bd9cab2a1e04dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29b82ff80bbc9bbf6d12e86a79519d4f4399e9af1974b2ffd70dce03fb5b0686",
    "cross_cats_sorted": [
      "math.PR",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2016-11-30T20:01:21Z",
    "title_canon_sha256": "3b29b83bf62621ddb671b2fa29e9ead861e6fc7baa7fdf3327692c5c52978ab5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.10333",
    "kind": "arxiv",
    "version": 2
  }
}