Pith Number

pith:5PDUVZPA

pith:2021:5PDUVZPAAS2WXTOK26UWFS4TYE

not attested not anchored not stored refs pending

Robust Principal Component Analysis Using a Novel Kernel Related with the L1-Norm

A. Enis Cetin, Diaa Badawi, Erdem Koyuncu, Hongyi Pan

arxiv:2105.11634 v1 · 2021-05-25 · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5PDUVZPAAS2WXTOK26UWFS4TYE}

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	2026-07-05T02:42:54.652537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebc74ae5e004b56bcdcad7a962cb93c12d142b640d3cceed0a3483538605ac91

Aliases

arxiv: 2105.11634 · arxiv_version: 2105.11634v1 · doi: 10.48550/arxiv.2105.11634 · pith_short_12: 5PDUVZPAAS2W · pith_short_16: 5PDUVZPAAS2WXTOK · pith_short_8: 5PDUVZPA

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/5PDUVZPAAS2WXTOK26UWFS4TYE \
  | 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: ebc74ae5e004b56bcdcad7a962cb93c12d142b640d3cceed0a3483538605ac91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31de235f0f1ed480d617181e666a00ffd5974639fbfc168fd1d67bafe1c5be04",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-05-25T03:17:51Z",
    "title_canon_sha256": "cb3122af361d50a71a83abc46f5e4c14327ad8d663f317857be77ea3912333a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.11634",
    "kind": "arxiv",
    "version": 1
  }
}