Pith Number

pith:6AX43XCU

pith:2020:6AX43XCUHLZO4DYQHUFPLX4QLB

not attested not anchored not stored refs pending

Optimised Convolutional Neural Networks for Heart Rate Estimation and Human Activity Recognition in Wrist Worn Sensing Applications

Alan F. Smeaton, Eoin Brophy, Tomas E. Ward, Willie Muehlhausen

arxiv:2004.00505 v1 · 2020-03-30 · eess.SP · cs.HC · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6AX43XCUHLZO4DYQHUFPLX4QLB}

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	2026-07-05T00:52:11.284809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f02fcddc543af2ee0f103d0af5df905854001caa848f273f5c68cd52350d6f6c

Aliases

arxiv: 2004.00505 · arxiv_version: 2004.00505v1 · doi: 10.48550/arxiv.2004.00505 · pith_short_12: 6AX43XCUHLZO · pith_short_16: 6AX43XCUHLZO4DYQ · pith_short_8: 6AX43XCU

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/6AX43XCUHLZO4DYQHUFPLX4QLB \
  | 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: f02fcddc543af2ee0f103d0af5df905854001caa848f273f5c68cd52350d6f6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d1baa777e68cef236c9dbc7893f9d943ffa4c0e4f4267eaf5ce4b633ad37cee",
    "cross_cats_sorted": [
      "cs.HC",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-03-30T11:44:58Z",
    "title_canon_sha256": "60301586fd1acb8b63adf087f55be2d5689aff2c9dbfd56ccba36bef16db97af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00505",
    "kind": "arxiv",
    "version": 1
  }
}