Pith Number

pith:7VGKVNEI

pith:2017:7VGKVNEIECDJRUBDDPCD2TEGUL

not attested not anchored not stored refs pending

MFDL: A Multicarrier Fresnel Penetration Model based Device-Free Localization System leveraging Commodity Wi-Fi Cards

Bing Xie, Dan Wu, Daqing Zhang, Hao Wang, Kai Niu, Qin Lv, Ruiyang Gao, Yuanhuai Liu

arxiv:1707.07514 v1 · 2017-07-21 · 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{7VGKVNEIECDJRUBDDPCD2TEGUL}

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	2026-05-18T00:39:41.975854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd4caab488208698d0231bc43d4c86a2e8dde00a939a6d261dc92507c67145ce

Aliases

arxiv: 1707.07514 · arxiv_version: 1707.07514v1 · doi: 10.48550/arxiv.1707.07514 · pith_short_12: 7VGKVNEIECDJ · pith_short_16: 7VGKVNEIECDJRUBD · pith_short_8: 7VGKVNEI

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/7VGKVNEIECDJRUBDDPCD2TEGUL \
  | 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: fd4caab488208698d0231bc43d4c86a2e8dde00a939a6d261dc92507c67145ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad107df0a3c2798c12a5ae6a6a07554a82b1117b97cd1599698b833f29e34484",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2017-07-21T04:33:11Z",
    "title_canon_sha256": "bf2770f33ecb8da91128526bc51e729d4d2415bd8ce7b1cd1e07dd4138a6c120"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07514",
    "kind": "arxiv",
    "version": 1
  }
}