Pith Number

pith:LL447MCN

pith:2021:LL447MCNCSYLIZNBCW6WEPO3UG

not attested not anchored not stored refs pending

A Shallow U-Net Architecture for Reliably Predicting Blood Pressure (BP) from Photoplethysmogram (PPG) and Electrocardiogram (ECG) Signals

Amith Khandakar, Anas Tahir, Khandaker Reajul Islam, Md Shafayet Hossain, Mohammad Tariqul Islam, M. Sohel Rahman, Muhammad E. H. Chowdhury, Nabil Ibtehaz, Sakib Mahmud, Tawsifur Rahman

arxiv:2111.08480 v1 · 2021-11-12 · eess.SP · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LL447MCNCSYLIZNBCW6WEPO3UG}

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	2026-07-05T04:12:51.682121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5af9cfb04d14b0b465a115bd623ddba19287e1fc24ad99e962421fe93485be38

Aliases

arxiv: 2111.08480 · arxiv_version: 2111.08480v1 · doi: 10.48550/arxiv.2111.08480 · pith_short_12: LL447MCNCSYL · pith_short_16: LL447MCNCSYLIZNB · pith_short_8: LL447MCN

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/LL447MCNCSYLIZNBCW6WEPO3UG \
  | 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: 5af9cfb04d14b0b465a115bd623ddba19287e1fc24ad99e962421fe93485be38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0c081601aee4f67c01c7982613001f7e4f772b53d3c47007c2926537fce1923",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-11-12T19:34:20Z",
    "title_canon_sha256": "bb6a1e5fde455b11ac519b29a703025f2c924a3e2e36cb1b42e7b800cb39cf0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.08480",
    "kind": "arxiv",
    "version": 1
  }
}