Pith Number

pith:4RSXYYUC

pith:2013:4RSXYYUCSI6AP6D32BWDJKWBBH

not attested not anchored not stored refs pending

Principal Component Analysis and Higher Correlations for Distributed Data

David Woodruff, Ravindran Kannan, Santosh Vempala

arxiv:1304.3162 v4 · 2013-04-10 · cs.DS · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RSXYYUCSI6AP6D32BWDJKWBBH}

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	2026-05-18T02:48:47.065087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4657c6282923c07f87bd06c34aac109f59f6fd5a28b10e14d1024a7282ac612

Aliases

arxiv: 1304.3162 · arxiv_version: 1304.3162v4 · doi: 10.48550/arxiv.1304.3162 · pith_short_12: 4RSXYYUCSI6A · pith_short_16: 4RSXYYUCSI6AP6D3 · pith_short_8: 4RSXYYUC

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/4RSXYYUCSI6AP6D32BWDJKWBBH \
  | 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: e4657c6282923c07f87bd06c34aac109f59f6fd5a28b10e14d1024a7282ac612

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc9e6b878e44704abb7d61de9356694c1ade594da1008c378b479dc3f90fcc8a",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-04-10T23:05:01Z",
    "title_canon_sha256": "91fe9893d1bdf615f5b12b6da0663171adf61609ee423c02645d81906edce82d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3162",
    "kind": "arxiv",
    "version": 4
  }
}