Pith Number

pith:5QSV5EGG

pith:2020:5QSV5EGG63UWLTMAGEJJ545TMP

not attested not anchored not stored refs pending

Deep Learning-based Computational Pathology Predicts Origins for Cancers of Unknown Primary

Drew F. K. Williamson, Faisal Mahmood, Jana Lipkova, Maha Shady, Melissa Zhao, Ming Y. Lu, Tiffany Y. Chen

arxiv:2006.13932 v2 · 2020-06-24 · q-bio.TO · cs.LG · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5QSV5EGG63UWLTMAGEJJ545TMP}

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	2026-07-05T02:57:07.912249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec255e90c6f6e965cd8031129ef3b363da686a7e2bb5bd9ff1b9d8c09c325105

Aliases

arxiv: 2006.13932 · arxiv_version: 2006.13932v2 · doi: 10.48550/arxiv.2006.13932 · pith_short_12: 5QSV5EGG63UW · pith_short_16: 5QSV5EGG63UWLTMA · pith_short_8: 5QSV5EGG

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/5QSV5EGG63UWLTMAGEJJ545TMP \
  | 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: ec255e90c6f6e965cd8031129ef3b363da686a7e2bb5bd9ff1b9d8c09c325105

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55dea091f502a507d31ca6eb63bd661ce24da130620f761ea284ae07592cbeed",
    "cross_cats_sorted": [
      "cs.LG",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.TO",
    "submitted_at": "2020-06-24T17:59:36Z",
    "title_canon_sha256": "6a4d78da74b2e9ff4ca36dd5b62e0aaba75263e1462ae26723685186fd4b8fd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.13932",
    "kind": "arxiv",
    "version": 2
  }
}