Pith Number

pith:YPCU5ODK

pith:2017:YPCU5ODKZBZFVINNXUXT6RN72H

not attested not anchored not stored refs pending

WiSpeed: A Statistical Electromagnetic Approach for Device-Free Indoor Speed Estimation

Beibei Wang, Chen Chen, Feng Zhang, K. J. Ray Liu

arxiv:1712.00348 v1 · 2017-11-30 · 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{YPCU5ODKZBZFVINNXUXT6RN72H}

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	2026-05-18T00:18:52.811886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3c54eb86ac8725aa1adbd2f3f45bfd1ce56cea8f3c9b93730f7920ce4a31ade

Aliases

arxiv: 1712.00348 · arxiv_version: 1712.00348v1 · doi: 10.48550/arxiv.1712.00348 · pith_short_12: YPCU5ODKZBZF · pith_short_16: YPCU5ODKZBZFVINN · pith_short_8: YPCU5ODK

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/YPCU5ODKZBZFVINNXUXT6RN72H \
  | 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: c3c54eb86ac8725aa1adbd2f3f45bfd1ce56cea8f3c9b93730f7920ce4a31ade

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0017d9d2150e9361c574cb2de04e176a73e4d7c0fc86d75d0dd9cfed7e3a40d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2017-11-30T00:25:01Z",
    "title_canon_sha256": "392d47612e4162814c4934207d9f402c055bd1f7ef851d69caf2e4dcf9b3051e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00348",
    "kind": "arxiv",
    "version": 1
  }
}