Pith Number

pith:XJDSPIYL

pith:2016:XJDSPIYLAE5LRLQJQR5DC7IH6L

not attested not anchored not stored refs pending

Structured Group Sparsity: A Novel Indoor WLAN Localization, Outlier Detection, and Radio Map Interpolation Scheme

Ali Khalajmehrabadi, David Akopian, Nikolaos Gatsis

arxiv:1610.05421 v1 · 2016-10-18 · cs.NI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XJDSPIYLAE5LRLQJQR5DC7IH6L}

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	2026-05-18T01:01:59.388895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba4727a30b013ab8ae09847a317d07f2cf158ba850a23e4d9408647f68605aeb

Aliases

arxiv: 1610.05421 · arxiv_version: 1610.05421v1 · doi: 10.48550/arxiv.1610.05421 · pith_short_12: XJDSPIYLAE5L · pith_short_16: XJDSPIYLAE5LRLQJ · pith_short_8: XJDSPIYL

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/XJDSPIYLAE5LRLQJQR5DC7IH6L \
  | 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: ba4727a30b013ab8ae09847a317d07f2cf158ba850a23e4d9408647f68605aeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98a47939335cb249526c1abbf6fcf8198c05c05c79f73fdcb86ea954d759d16e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2016-10-18T03:45:00Z",
    "title_canon_sha256": "01c7721538157d42e80804d1680a3c66a738ba94f177946fc0926d31144ea427"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05421",
    "kind": "arxiv",
    "version": 1
  }
}