Pith Number

pith:XZ3NSVRT

pith:2018:XZ3NSVRTGN3C5MHG43ARMNG7XR

not attested not anchored not stored refs pending

Robust Multi-subspace Analysis Using Novel Column L0-norm Constrained Matrix Factorization

Binghui Wang, Chuang Lin

arxiv:1801.09111 v1 · 2018-01-27 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XZ3NSVRTGN3C5MHG43ARMNG7XR}

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	2026-05-18T00:24:58.570119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be76d9563333762eb0e6e6c11634dfbc4b2e8908ab9bd7c7af88456a487275d2

Aliases

arxiv: 1801.09111 · arxiv_version: 1801.09111v1 · doi: 10.48550/arxiv.1801.09111 · pith_short_12: XZ3NSVRTGN3C · pith_short_16: XZ3NSVRTGN3C5MHG · pith_short_8: XZ3NSVRT

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/XZ3NSVRTGN3C5MHG43ARMNG7XR \
  | 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: be76d9563333762eb0e6e6c11634dfbc4b2e8908ab9bd7c7af88456a487275d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a637165bc57362ba09a43377c9116a282d6c3c49e51db1d70372e0825633af8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-01-27T17:00:02Z",
    "title_canon_sha256": "a345a4818e0a349e96d222fb31800d16f6704d09cb62c772970b35693b2bf30b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09111",
    "kind": "arxiv",
    "version": 1
  }
}