Pith Number

pith:GFCJFFWC

pith:2021:GFCJFFWCEB3MW7EJVVAOXXJEPZ

not attested not anchored not stored refs pending

3KG: Contrastive Learning of 12-Lead Electrocardiograms using Physiologically-Inspired Augmentations

Andrew Y. Ng, Bryan Gopal, Gautham Raghupathi, Geoffrey H. Tison, Pranav Rajpurkar, Ryan W. Han

arxiv:2106.04452 v2 · 2021-04-21 · physics.med-ph · cs.LG · 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{GFCJFFWCEB3MW7EJVVAOXXJEPZ}

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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.

Cited by

1 paper in Pith

Self-DANA: A Resource-Efficient Channel-Adaptive Self-Supervised Approach for ECG Foundation Models

Receipt and verification

First computed	2026-07-05T03:15:52.908946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31449296c22076cb7c89ad40ebdd247e48ef876b9fc22e8e11445ec63ff90645

Aliases

arxiv: 2106.04452 · arxiv_version: 2106.04452v2 · doi: 10.48550/arxiv.2106.04452 · pith_short_12: GFCJFFWCEB3M · pith_short_16: GFCJFFWCEB3MW7EJ · pith_short_8: GFCJFFWC

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/GFCJFFWCEB3MW7EJVVAOXXJEPZ \
  | 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: 31449296c22076cb7c89ad40ebdd247e48ef876b9fc22e8e11445ec63ff90645

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aadd3fd8a1b9bc946b00edd7921356a8e4eaaa53e0c137821cd08fa532048322",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-04-21T06:28:07Z",
    "title_canon_sha256": "8b161bb9943b5385e0699d5862521e31aecb6955141f9e8aa654a480245a8c11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.04452",
    "kind": "arxiv",
    "version": 2
  }
}