Pith Number

pith:R7LUYTX4

pith:2022:R7LUYTX4IMKDAASFCFBKFQDWWI

not attested not anchored not stored refs pending

CAiD: Context-Aware Instance Discrimination for Self-supervised Learning in Medical Imaging

Fatemeh Haghighi, Jianming Liang, Michael B. Gotway, Mohammad Reza Hosseinzadeh Taher

arxiv:2204.07344 v1 · 2022-04-15 · eess.IV · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R7LUYTX4IMKDAASFCFBKFQDWWI}

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	2026-07-05T04:15:02.923627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fd74c4efc43143002451142a2c076b22eee98d7be341b4435057fc10e5af96c

Aliases

arxiv: 2204.07344 · arxiv_version: 2204.07344v1 · doi: 10.48550/arxiv.2204.07344 · pith_short_12: R7LUYTX4IMKD · pith_short_16: R7LUYTX4IMKDAASF · pith_short_8: R7LUYTX4

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/R7LUYTX4IMKDAASFCFBKFQDWWI \
  | 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: 8fd74c4efc43143002451142a2c076b22eee98d7be341b4435057fc10e5af96c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6e9954742cc3b600182ea9918cf7539b40aced4760ae61e617941d26511a347",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-04-15T06:45:10Z",
    "title_canon_sha256": "604dab1f49fe90819e6346853a5ed842cddf2ceb26aba97681d8c4a35125328e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.07344",
    "kind": "arxiv",
    "version": 1
  }
}