Pith Number

pith:YCLX5LAP

pith:2026:YCLX5LAP74RTNQVISOC2X5EMIY

not attested not anchored not stored refs pending

Aortic Valve Disease Screening from PPG via Physiology-Guided Self-Supervised Learning

Deyun Zhang, Jiaze Wang, Qinghao Zhao, Shenda Hong, Yuxi Zhou, Zhejun Sun, Zizheng Chen

arxiv:2602.04266 v2 · 2026-02-04 · 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{YCLX5LAP74RTNQVISOC2X5EMIY}

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	2026-07-28T01:21:35.881214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0977eac0fff2336c2a89385abf48c463a90e9df552406e7bbd5351932cdaef3

Aliases

arxiv: 2602.04266 · arxiv_version: 2602.04266v2 · doi: 10.48550/arxiv.2602.04266 · pith_short_12: YCLX5LAP74RT · pith_short_16: YCLX5LAP74RTNQVI · pith_short_8: YCLX5LAP

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/YCLX5LAP74RTNQVISOC2X5EMIY \
  | 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: c0977eac0fff2336c2a89385abf48c463a90e9df552406e7bbd5351932cdaef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "551bd8f4ceb1bd71abeb656d8a1ef318948a4be2860c8cfbe7ac9f2f03981a48",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-02-04T06:56:50Z",
    "title_canon_sha256": "9509a4cf34d10baa5cbdedeedbfb9d7484c1484f0d71deca93695b6151896eb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.04266",
    "kind": "arxiv",
    "version": 2
  }
}