Pith Number

pith:UUAYZAXG

pith:2015:UUAYZAXGKGQB4TME266PECZE3U

not attested not anchored not stored refs pending

Optimal Principal Component Analysis in Distributed and Streaming Models

Christos Boutsidis, David P. Woodruff, Peilin Zhong

arxiv:1504.06729 v4 · 2015-04-25 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUAYZAXGKGQB4TME266PECZE3U}

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	2026-05-18T01:11:13.543240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5018c82e651a01e4d84d7bcf20b24dd0ab616a81050efb9081fe0ae22a9d128

Aliases

arxiv: 1504.06729 · arxiv_version: 1504.06729v4 · doi: 10.48550/arxiv.1504.06729 · pith_short_12: UUAYZAXGKGQB · pith_short_16: UUAYZAXGKGQB4TME · pith_short_8: UUAYZAXG

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/UUAYZAXGKGQB4TME266PECZE3U \
  | 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: a5018c82e651a01e4d84d7bcf20b24dd0ab616a81050efb9081fe0ae22a9d128

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b05ac1d2a813f2d9a5e8c4d5000b539e61483aa9f49b62048c0297289d71ac6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-04-25T14:22:21Z",
    "title_canon_sha256": "646068c1d0cf4a1c61033b3377fc0b74f5e627df0d9f628854147f63d45b424f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06729",
    "kind": "arxiv",
    "version": 4
  }
}