Pith Number

pith:WZUPTKYF

pith:2014:WZUPTKYF4ZQWEO2YZC4IE5PKV7

not attested not anchored not stored refs pending

Recovery of Sparse Signals Using Multiple Orthogonal Least Squares

Jian Wang, Ping Li

arxiv:1410.2505 v2 · 2014-10-09 · stat.ME · cs.IT · cs.LG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZUPTKYF4ZQWEO2YZC4IE5PKV7}

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	2026-05-18T01:23:33.727484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b668f9ab05e661623b58c8b88275eaafef503c791408d55024638b73e7b350a4

Aliases

arxiv: 1410.2505 · arxiv_version: 1410.2505v2 · doi: 10.48550/arxiv.1410.2505 · pith_short_12: WZUPTKYF4ZQW · pith_short_16: WZUPTKYF4ZQWEO2Y · pith_short_8: WZUPTKYF

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/WZUPTKYF4ZQWEO2YZC4IE5PKV7 \
  | 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: b668f9ab05e661623b58c8b88275eaafef503c791408d55024638b73e7b350a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4382d81c7f8f1d643fe7cd0cc7bfe90179f3c94924c60dd580abff889cc32b9",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-10-09T15:17:54Z",
    "title_canon_sha256": "8e7714e677e9908d59c8dc588c2e10bc8bfb4f12214f13c64e353e49307a9ba1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2505",
    "kind": "arxiv",
    "version": 2
  }
}