Pith Number

pith:LHYTTQPG

pith:2018:LHYTTQPGZHDCUUYMS2WK3FSIAG

not attested not anchored not stored refs pending

Discriminative Learning-based Smartphone Indoor Localization

Fang Zhao, Haiyong Luo, Jose Luis V. Carrera, Torsten Braun, Zhongliang Zhao

arxiv:1804.03961 v1 · 2018-04-11 · cs.NI · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LHYTTQPGZHDCUUYMS2WK3FSIAG}

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	2026-05-18T00:18:42.559626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59f139c1e6c9c62a530c96acad9648018436d8766078468cc59638992f2ff52f

Aliases

arxiv: 1804.03961 · arxiv_version: 1804.03961v1 · doi: 10.48550/arxiv.1804.03961 · pith_short_12: LHYTTQPGZHDC · pith_short_16: LHYTTQPGZHDCUUYM · pith_short_8: LHYTTQPG

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/LHYTTQPGZHDCUUYMS2WK3FSIAG \
  | 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: 59f139c1e6c9c62a530c96acad9648018436d8766078468cc59638992f2ff52f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "079157ebca0813bda9a1b3fa1339a0d364b005f97f482e141144720140a890de",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2018-04-11T12:48:32Z",
    "title_canon_sha256": "9283c3aa86bd95a92ebddcb926b5d658f2465675fb2df2643661371f677f37e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03961",
    "kind": "arxiv",
    "version": 1
  }
}