Pith Number

pith:IFHB2NHG

pith:2017:IFHB2NHG4HUKNHUFEQNE7IZ4KN

not attested not anchored not stored refs pending

Analyzing the Weighted Nuclear Norm Minimization and Nuclear Norm Minimization based on Group Sparse Representation

Bei Li, Lan Tang, Xinggan Zhang, Xin Liu, Xin Yuan, Ying-Chang Liang, Zhiyuan Zha

arxiv:1702.04463 v5 · 2017-02-15 · 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{IFHB2NHG4HUKNHUFEQNE7IZ4KN}

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	2026-05-18T00:10:24.573458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

414e1d34e6e1e8a69e85241a4fa33c536f9ba9e2a56baf14280cd14fd21f26a3

Aliases

arxiv: 1702.04463 · arxiv_version: 1702.04463v5 · doi: 10.48550/arxiv.1702.04463 · pith_short_12: IFHB2NHG4HUK · pith_short_16: IFHB2NHG4HUKNHUF · pith_short_8: IFHB2NHG

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/IFHB2NHG4HUKNHUFEQNE7IZ4KN \
  | 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: 414e1d34e6e1e8a69e85241a4fa33c536f9ba9e2a56baf14280cd14fd21f26a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0727d6cf4668f505432db28754f3dca073b2977115336755c3c6df20cd1a7ad2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-02-15T04:28:52Z",
    "title_canon_sha256": "e3bdbb7178fc48dd321c923214a439ec87b6072c29e3787f08aede2a2aeb893b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04463",
    "kind": "arxiv",
    "version": 5
  }
}