Pith. sign in
Pith Number

pith:NLTXQR2M

pith:2025:NLTXQR2MMDAWRAQZ2OUBHYHMK4
not attested not anchored not stored refs pending

An Overview of Algorithms for Contactless Cardiac Feature Extraction from Radar Signals: Advances and Challenges

Eng Gee Lim, Rui Yang, Yuanyuan Zhang, Yutao Yue, Zidong Wang

arxiv:2508.02122 v1 · 2025-08-04 · eess.SP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NLTXQR2MMDAWRAQZ2OUBHYHMK4}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T11:48:08.582079Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6ae778474c60c1688219d3a813e0ec572ef4de10e150c96da33044ef5cacfb10

Aliases

arxiv: 2508.02122 · arxiv_version: 2508.02122v1 · doi: 10.48550/arxiv.2508.02122 · pith_short_12: NLTXQR2MMDAW · pith_short_16: NLTXQR2MMDAWRAQZ · pith_short_8: NLTXQR2M
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NLTXQR2MMDAWRAQZ2OUBHYHMK4 \
  | 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: 6ae778474c60c1688219d3a813e0ec572ef4de10e150c96da33044ef5cacfb10
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b0f6e09e972ac270b2fec6ec452f04ada0ebbda22cb0d7559ff6564da31e765e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-08-04T07:03:35Z",
    "title_canon_sha256": "90ebfc44a05627a5d6e66d14d7cd26d26ebac4e59485ea35e55e223ef4cb6725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.02122",
    "kind": "arxiv",
    "version": 1
  }
}