Pith Number

pith:VQS4GJFV

pith:2019:VQS4GJFVSUYN2NBTY27FK3TCEI

not attested not anchored not stored refs pending

Increasing Coverage of Indoor Localization Systems for EEE112 Support

Hamada Rizk, Moustafa Youssef

arxiv:1902.01707 v1 · 2019-02-02 · 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{VQS4GJFVSUYN2NBTY27FK3TCEI}

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	2026-05-17T23:54:46.957526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac25c324b59530dd3433c6be556e622222deaad1cdfa3828c8af06b6f231daff

Aliases

arxiv: 1902.01707 · arxiv_version: 1902.01707v1 · doi: 10.48550/arxiv.1902.01707 · pith_short_12: VQS4GJFVSUYN · pith_short_16: VQS4GJFVSUYN2NBT · pith_short_8: VQS4GJFV

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/VQS4GJFVSUYN2NBTY27FK3TCEI \
  | 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: ac25c324b59530dd3433c6be556e622222deaad1cdfa3828c8af06b6f231daff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3f501e18606354afa77dbe1e0c40bb6454d6cb664229802b4d5831c15006e3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-02-02T18:33:06Z",
    "title_canon_sha256": "264c3ce4c47828fbbbf83bc1678a9a5f31203d3ea207bc7abfe480a8c498c85b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01707",
    "kind": "arxiv",
    "version": 1
  }
}