Pith Number

pith:63ODVVAY

pith:2019:63ODVVAYOYN5PPLTPIB6BLGZRM

not attested not anchored not stored refs pending

Unsupervised Learning Technique to Obtain the Coordinates of Wi-Fi Access Points

Jeongsik Choi, Shilpa Talwar, Yang-Seok Choi

arxiv:1907.09514 v1 · 2019-07-22 · 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{63ODVVAYOYN5PPLTPIB6BLGZRM}

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	2026-05-17T23:39:53.058179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6dc3ad418761bd7bd737a03e0acd98b344911425b1e852002763985659634a7

Aliases

arxiv: 1907.09514 · arxiv_version: 1907.09514v1 · doi: 10.48550/arxiv.1907.09514 · pith_short_12: 63ODVVAYOYN5 · pith_short_16: 63ODVVAYOYN5PPLT · pith_short_8: 63ODVVAY

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/63ODVVAYOYN5PPLTPIB6BLGZRM \
  | 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: f6dc3ad418761bd7bd737a03e0acd98b344911425b1e852002763985659634a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c6b1991b92e87971b3184f6a80e0983e255dc7cd59315f2ade3e65abb1da707",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-07-22T18:30:00Z",
    "title_canon_sha256": "71c5ab59f7f2c4df55ef1acdf57bb7af0de5a7001066125593f71c13069ef027"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09514",
    "kind": "arxiv",
    "version": 1
  }
}