Pith Number

pith:2PPOED2I

pith:2015:2PPOED2IZWA32MHWCLFJFFN6XA

not attested not anchored not stored refs pending

Image Tag Completion and Refinement by Subspace Clustering and Matrix Completion

Yuqing Hou, Zhouchen Lin

arxiv:1506.03475 v2 · 2015-06-10 · 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{2PPOED2IZWA32MHWCLFJFFN6XA}

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	2026-05-18T01:09:42.205399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3dee20f48cd81bd30f612ca9295beb838727ed10f37f9f0db8893c2d4e187f3

Aliases

arxiv: 1506.03475 · arxiv_version: 1506.03475v2 · doi: 10.48550/arxiv.1506.03475 · pith_short_12: 2PPOED2IZWA3 · pith_short_16: 2PPOED2IZWA32MHW · pith_short_8: 2PPOED2I

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/2PPOED2IZWA32MHWCLFJFFN6XA \
  | 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: d3dee20f48cd81bd30f612ca9295beb838727ed10f37f9f0db8893c2d4e187f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd5ad7c69a9e2793987470e6e27462898fda753b54aaf3e727445de7a4d4bd97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-06-10T20:42:50Z",
    "title_canon_sha256": "1193f6793d1f776a01526987f9aac2444af0f1672f1100e29952220c18f8828a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03475",
    "kind": "arxiv",
    "version": 2
  }
}