Pith Number

pith:UUXCMUFP

pith:2019:UUXCMUFPUYDYHTJQGJX4P5UX3E

not attested not anchored not stored refs pending

Logistic principal component analysis via non-convex singular value thresholding

Age K. Smilde, Johan A. Westerhuis, Yipeng Song

arxiv:1902.09486 v1 · 2019-02-25 · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUXCMUFPUYDYHTJQGJX4P5UX3E}

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.

Cited by

1 paper in Pith

Fusing heterogeneous data sets

Receipt and verification

First computed	2026-07-05T01:42:51.456591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a52e2650afa60783cd30326fc7f697d9237c3bf94da7aed9f2eb8f86a1617075

Aliases

arxiv: 1902.09486 · arxiv_version: 1902.09486v1 · doi: 10.48550/arxiv.1902.09486 · pith_short_12: UUXCMUFPUYDY · pith_short_16: UUXCMUFPUYDYHTJQ · pith_short_8: UUXCMUFP

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/UUXCMUFPUYDYHTJQGJX4P5UX3E \
  | 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: a52e2650afa60783cd30326fc7f697d9237c3bf94da7aed9f2eb8f86a1617075

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b6b728ec5c1fbfc71b71c392ab704b391a28ad933db6409caee7d8d48db35d9",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-02-25T18:03:11Z",
    "title_canon_sha256": "75e63e3eea5a30866ccb9bd4f08f26136e588bd3cc042b97c8fd35382e345a2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09486",
    "kind": "arxiv",
    "version": 1
  }
}