Pith Number

pith:NCZMMDYI

pith:2018:NCZMMDYI64AO6PZUOGZH7WGWJV

not attested not anchored not stored refs pending

An Interpretable Machine Vision Approach to Human Activity Recognition using Photoplethysmograph Sensor Data

Alan F. Smeaton, Eoin Brophy, Jos\'e Juan Dominguez Veiga, Tomas E. Ward, Zhengwei Wang

arxiv:1812.00668 v1 · 2018-12-03 · cs.CV · 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{NCZMMDYI64AO6PZUOGZH7WGWJV}

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	2026-05-17T23:59:19.284199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68b2c60f08f700ef3f3471b27fd8d64d6221d9483984c0b7c4cb4386c45afc31

Aliases

arxiv: 1812.00668 · arxiv_version: 1812.00668v1 · doi: 10.48550/arxiv.1812.00668 · pith_short_12: NCZMMDYI64AO · pith_short_16: NCZMMDYI64AO6PZU · pith_short_8: NCZMMDYI

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/NCZMMDYI64AO6PZUOGZH7WGWJV \
  | 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: 68b2c60f08f700ef3f3471b27fd8d64d6221d9483984c0b7c4cb4386c45afc31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bac391f4929e1040184a361cfe96f318903aa3179bb2d3166179fbbeee173eb8",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-12-03T11:10:59Z",
    "title_canon_sha256": "c8367d4de56b886d63dd067f863471491a14f8f9e3e73c444e34a5706d4031d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00668",
    "kind": "arxiv",
    "version": 1
  }
}