Pith Number

pith:T7DRG3WS

pith:2017:T7DRG3WSPH23BMQH66JSJJ5HVE

not attested not anchored not stored refs pending

Single-Pass PCA of Large High-Dimensional Data

Jian Li, Shenghua Liu, Wenjian Yu, Yaohang Li, Yu Gu

arxiv:1704.07669 v1 · 2017-04-25 · cs.DS · cs.LG · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T7DRG3WSPH23BMQH66JSJJ5HVE}

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	2026-05-18T00:45:37.354874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fc7136ed279f5b0b207f79324a7a7a939c5a920bba2853058ba4c2c841395bb

Aliases

arxiv: 1704.07669 · arxiv_version: 1704.07669v1 · doi: 10.48550/arxiv.1704.07669 · pith_short_12: T7DRG3WSPH23 · pith_short_16: T7DRG3WSPH23BMQH · pith_short_8: T7DRG3WS

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/T7DRG3WSPH23BMQH66JSJJ5HVE \
  | 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: 9fc7136ed279f5b0b207f79324a7a7a939c5a920bba2853058ba4c2c841395bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "974226e36ece7dbaa465d7024264c6d3c82e067e68227f63695259afbe3e176a",
    "cross_cats_sorted": [
      "cs.LG",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-04-25T12:55:20Z",
    "title_canon_sha256": "d4991be5dac796b7d578777cc205ff92ce53ea36e02ac140a76b3434e250fda5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07669",
    "kind": "arxiv",
    "version": 1
  }
}