Pith Number

pith:CFOLQKYE

pith:2022:CFOLQKYE4GYQIQTMQVGPH3ZMYP

not attested not anchored not stored refs pending

Precise Location Matching Improves Dense Contrastive Learning in Digital Pathology

Dimitris Samaras, Jingwei Zhang, Joel Saltz, Ke Ma, Maria Vakalopoulou, Prateek Prasanna, Saarthak Kapse

arxiv:2212.12105 v2 · 2022-12-23 · 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{CFOLQKYE4GYQIQTMQVGPH3ZMYP}

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	2026-07-05T05:53:52.261833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

115cb82b04e1b104426c854cf3ef2cc3e2feee473c59cdd7c2d95d0e298fc557

Aliases

arxiv: 2212.12105 · arxiv_version: 2212.12105v2 · doi: 10.48550/arxiv.2212.12105 · pith_short_12: CFOLQKYE4GYQ · pith_short_16: CFOLQKYE4GYQIQTM · pith_short_8: CFOLQKYE

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/CFOLQKYE4GYQIQTMQVGPH3ZMYP \
  | 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: 115cb82b04e1b104426c854cf3ef2cc3e2feee473c59cdd7c2d95d0e298fc557

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcaeb344525099ad7c7ad040b51e589b0423d247148dbee5cf8d05423347a854",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-12-23T02:11:27Z",
    "title_canon_sha256": "6af158e24eeee6ca1e4c348d8b5a20078fe6cf3a168fb1347113dbad9881282d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.12105",
    "kind": "arxiv",
    "version": 2
  }
}