Pith Number

pith:LK4EKN7V

pith:2013:LK4EKN7VF64RRZGOJP2QPYMTGG

not attested not anchored not stored refs pending

Accurate Indoor Localization Using Acoustic Direction Finding via Smart Phones

Hao Lin, Panlong Yang, Wenchao Huang, Xiang-Yang Li, Xufei Mao, Yan Xiong, Yunhao Liu

arxiv:1306.1651 v1 · 2013-06-07 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LK4EKN7VF64RRZGOJP2QPYMTGG}

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	2026-05-18T03:21:32.814101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ab84537f52fb918e4ce4bf507e19331a66f5383a3accbb2f22f65abbdb1419d

Aliases

arxiv: 1306.1651 · arxiv_version: 1306.1651v1 · doi: 10.48550/arxiv.1306.1651 · pith_short_12: LK4EKN7VF64R · pith_short_16: LK4EKN7VF64RRZGO · pith_short_8: LK4EKN7V

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/LK4EKN7VF64RRZGOJP2QPYMTGG \
  | 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: 5ab84537f52fb918e4ce4bf507e19331a66f5383a3accbb2f22f65abbdb1419d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c73318449a8387c5501f4a0ca144f35a264c49e4de485b1db5459b9e30624055",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2013-06-07T08:30:38Z",
    "title_canon_sha256": "040343d6b8128acafb4c3eb6eab8bf21bb64f0aacb7a749e101f51152eaf7dfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1651",
    "kind": "arxiv",
    "version": 1
  }
}