Pith Number

pith:6VLETS7G

pith:2026:6VLETS7GYMNCSZDBTFJ7EAIOGG

not attested not anchored not stored refs pending

Patient-Aware Contrastive Learning Preserves Per-Patient Structure in RR-Interval Representations

Chathuranga Hettiarachchi, Weijith Wimalasiri, Yasantha Niroshana

arxiv:2606.23570 v1 · 2026-06-22 · 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{6VLETS7GYMNCSZDBTFJ7EAIOGG}

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	2026-06-23T03:14:31.178437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f55649cbe6c31a2964619953f2010e31ab66c11c2e80359b689e4ebcc3d0db85

Aliases

arxiv: 2606.23570 · arxiv_version: 2606.23570v1 · doi: 10.48550/arxiv.2606.23570 · pith_short_12: 6VLETS7GYMNC · pith_short_16: 6VLETS7GYMNCSZDB · pith_short_8: 6VLETS7G

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/6VLETS7GYMNCSZDBTFJ7EAIOGG \
  | 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: f55649cbe6c31a2964619953f2010e31ab66c11c2e80359b689e4ebcc3d0db85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f57fa2dd7661535ae8a752344db9fcdf85b349adc9e7ae703fdcd24ff356e2b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-22T16:35:18Z",
    "title_canon_sha256": "28172b901871b40dc43a640c718759dcfe4711199782633fc6b328642a2b2cb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23570",
    "kind": "arxiv",
    "version": 1
  }
}