Pith Number

pith:WOAVL2YX

pith:2025:WOAVL2YXSW6RCLWQKLKHDZR4EY

not attested not anchored not stored refs pending

Knowledge-enhanced Multimodal ECG Representation Learning with Arbitrary-Lead Inputs

Che Liu, Cheng Ouyang, Haozhe Wang, Rossella Arcucci, Wenjia Bai, Zhongwei Wan

arxiv:2502.17900 v1 · 2025-02-25 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WOAVL2YXSW6RCLWQKLKHDZR4EY}

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	2026-07-05T10:19:45.852145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b38155eb1795bd112ed052d471e63c2635d383571c2362be900c88abafaaed0e

Aliases

arxiv: 2502.17900 · arxiv_version: 2502.17900v1 · doi: 10.48550/arxiv.2502.17900 · pith_short_12: WOAVL2YXSW6R · pith_short_16: WOAVL2YXSW6RCLWQ · pith_short_8: WOAVL2YX

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/WOAVL2YXSW6RCLWQKLKHDZR4EY \
  | 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: b38155eb1795bd112ed052d471e63c2635d383571c2362be900c88abafaaed0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f52c68124a273061f1a58b67ff01f756000b4884d11bbd761eca119620270659",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-25T06:53:50Z",
    "title_canon_sha256": "7f99f95b19c433d39b84133364bb45db2de6f987a8f3ea48d87d8a3c0486381a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.17900",
    "kind": "arxiv",
    "version": 1
  }
}