Pith Number

pith:LPJO4C43

pith:2021:LPJO4C43QUIWH6YQLU5AD772MF

not attested not anchored not stored refs pending

Bootstrapping Your Own Positive Sample: Contrastive Learning With Electronic Health Record Data

Ariful Azad, Benjamin S Glicksberg, Jing Zhang, Tingyi Wanyan, Ying Ding, Zhangyang Wang

arxiv:2104.02932 v1 · 2021-04-07 · cs.LG · cs.AI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LPJO4C43QUIWH6YQLU5AD772MF}

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	2026-07-05T02:30:01.149765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bd2ee0b9b851163fb105d3a01fffa615c4cb885fc8f27f84aa8cc6eae8d4e93

Aliases

arxiv: 2104.02932 · arxiv_version: 2104.02932v1 · doi: 10.48550/arxiv.2104.02932 · pith_short_12: LPJO4C43QUIW · pith_short_16: LPJO4C43QUIWH6YQ · pith_short_8: LPJO4C43

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/LPJO4C43QUIWH6YQLU5AD772MF \
  | 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: 5bd2ee0b9b851163fb105d3a01fffa615c4cb885fc8f27f84aa8cc6eae8d4e93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d8c8e60de3c554a6ccfe6a1a6ea44948b1b2ff4d010bb54be7673464903c6bb",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-04-07T06:02:04Z",
    "title_canon_sha256": "d2e4d386bd568337ac30f7dc2d0f02dbd8b8271f2c019eb5cbc2d8305ce0ed2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02932",
    "kind": "arxiv",
    "version": 1
  }
}