Pith Number

pith:6ZA5YBMB

pith:2021:6ZA5YBMB26GM4KPUH2YUBO2XFY

not attested not anchored not stored refs pending

Energy-efficient Blood Pressure Monitoring based on Single-site Photoplethysmogram on Wearable Devices

Berken Utku Demirel, G.P. Li, Mohammad Abdullah Al Faruque, Wenrui Lin

arxiv:2108.00672 v1 · 2021-08-02 · 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{6ZA5YBMB26GM4KPUH2YUBO2XFY}

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	2026-07-05T03:02:25.722914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f641dc0581d78cce29f43eb140bb572e23950dc5ef70914eb7b4cb69dda1d510

Aliases

arxiv: 2108.00672 · arxiv_version: 2108.00672v1 · doi: 10.48550/arxiv.2108.00672 · pith_short_12: 6ZA5YBMB26GM · pith_short_16: 6ZA5YBMB26GM4KPU · pith_short_8: 6ZA5YBMB

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/6ZA5YBMB26GM4KPUH2YUBO2XFY \
  | 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: f641dc0581d78cce29f43eb140bb572e23950dc5ef70914eb7b4cb69dda1d510

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04ac2c5e59b1d532f856b04c9d4f8ef39c303eeb4207abc52932cb72f3ae7b2a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-08-02T07:17:41Z",
    "title_canon_sha256": "e5455ce9ed503c6cc117ef31053ef6ee24d8ee60c72eab2920aef4dabfbd5fa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.00672",
    "kind": "arxiv",
    "version": 1
  }
}