Pith Number

pith:Y2R4YNLF

pith:2014:Y2R4YNLF657PCZDCP6LZ3TTOEM

not attested not anchored not stored refs pending

Principal Component Analysis in an Asymmetric Norm

Maria Osipenko, Ngoc Mai Tran, Wolfgang Karl Haerdle

arxiv:1401.3229 v1 · 2014-01-14 · stat.ME · math.OC · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y2R4YNLF657PCZDCP6LZ3TTOEM}

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	2026-05-18T03:02:19.213246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6a3cc3565f77ef164627f979dce6e2326612cdb360cd614f86f2e38b3ae0a12

Aliases

arxiv: 1401.3229 · arxiv_version: 1401.3229v1 · doi: 10.48550/arxiv.1401.3229 · pith_short_12: Y2R4YNLF657P · pith_short_16: Y2R4YNLF657PCZDC · pith_short_8: Y2R4YNLF

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/Y2R4YNLF657PCZDCP6LZ3TTOEM \
  | 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: c6a3cc3565f77ef164627f979dce6e2326612cdb360cd614f86f2e38b3ae0a12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f67209a8749901961cd87372ffcd18704842af2f08696fa08f9eefc9230a027b",
    "cross_cats_sorted": [
      "math.OC",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-01-14T15:45:45Z",
    "title_canon_sha256": "b46dc600fc94188ea79dbc622f72c3a9b5356e9170a6cb771614506f4a882994"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3229",
    "kind": "arxiv",
    "version": 1
  }
}