Pith Number

pith:43P64CVA

pith:2018:43P64CVA4FS22AT6EBGAKYSK5K

not attested not anchored not stored refs pending

Regularized matrix data clustering and its application to image analysis

Hernando Ombao, Weining Shen, Xu Gao

arxiv:1808.01749 v1 · 2018-08-06 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{43P64CVA4FS22AT6EBGAKYSK5K}

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	2026-05-18T00:08:49.798642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6dfee0aa0e165ad027e204c05624aea8e9fe8a9a005e47f5d512fe9ce5ffbd3

Aliases

arxiv: 1808.01749 · arxiv_version: 1808.01749v1 · doi: 10.48550/arxiv.1808.01749 · pith_short_12: 43P64CVA4FS2 · pith_short_16: 43P64CVA4FS22AT6 · pith_short_8: 43P64CVA

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/43P64CVA4FS22AT6EBGAKYSK5K \
  | 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: e6dfee0aa0e165ad027e204c05624aea8e9fe8a9a005e47f5d512fe9ce5ffbd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d07894fc265c6029436952450b60f7a5136501ba50220c67aca87d4c88d745d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-08-06T07:07:21Z",
    "title_canon_sha256": "44b6d9f091cf49257fe1485b571f88e175bea5db70b7b5bc9c8c10ad524185c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01749",
    "kind": "arxiv",
    "version": 1
  }
}