Pith Number

pith:545CJP2L

pith:2023:545CJP2LSQ64I3ZBSWKVOO6GGE

not attested not anchored not stored refs pending

Streaming Kernel PCA Algorithm With Small Space

Han Zhang, Yichuan Deng, Zhao Song, Zifan Wang

arxiv:2303.04555 v1 · 2023-03-08 · cs.LG · 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{545CJP2LSQ64I3ZBSWKVOO6GGE}

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	2026-07-05T05:49:22.732386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef3a24bf4b943dc46f219595573bc6311e31b133340de5df322e09c8db0f93f4

Aliases

arxiv: 2303.04555 · arxiv_version: 2303.04555v1 · doi: 10.48550/arxiv.2303.04555 · pith_short_12: 545CJP2LSQ64 · pith_short_16: 545CJP2LSQ64I3ZB · pith_short_8: 545CJP2L

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/545CJP2LSQ64I3ZBSWKVOO6GGE \
  | 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: ef3a24bf4b943dc46f219595573bc6311e31b133340de5df322e09c8db0f93f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73eec2b88f00960251f1af6edefec47b1e66ca6baf9334869afa5a279fcddbaa",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-03-08T13:13:33Z",
    "title_canon_sha256": "bd63e8b699c05d12a0bd5a16f4799448b8ce265d97890b21892bf77281537f9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.04555",
    "kind": "arxiv",
    "version": 1
  }
}