Pith Number

pith:42PBTRZY

pith:2023:42PBTRZYT5HT7WOQGW4DKNR4LN

not attested not anchored not stored refs pending

A Self-Supervised Algorithm for Denoising Photoplethysmography Signals for Heart Rate Estimation from Wearables

Cheng Ding, Cynthia Rudin, Pranay Jain, Xiao Hu

arxiv:2307.05339 v1 · 2023-07-07 · 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{42PBTRZYT5HT7WOQGW4DKNR4LN}

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	2026-07-05T06:29:56.070400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e69e19c7389f4f3fd9d035b835363c5b7ec62ea759af3eb8c536c1a88dee3c07

Aliases

arxiv: 2307.05339 · arxiv_version: 2307.05339v1 · doi: 10.48550/arxiv.2307.05339 · pith_short_12: 42PBTRZYT5HT · pith_short_16: 42PBTRZYT5HT7WOQ · pith_short_8: 42PBTRZY

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/42PBTRZYT5HT7WOQGW4DKNR4LN \
  | 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: e69e19c7389f4f3fd9d035b835363c5b7ec62ea759af3eb8c536c1a88dee3c07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd278a85fb2a336e18e6e6a0fd271d4a9a08dc20f3dbd00e2bef460033852623",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2023-07-07T06:21:43Z",
    "title_canon_sha256": "a24b6acb438912bb7d588ef2d1fd8fb089fbed37dec71d1af59761ae1b0c122c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.05339",
    "kind": "arxiv",
    "version": 1
  }
}