Pith Number

pith:MXUF3GD4

pith:2021:MXUF3GD4KRRKRKBG35BR3WJBLS

not attested not anchored not stored refs pending

Unsupervised Representation Learning from Pathology Images with Multi-directional Contrastive Predictive Coding

Frank Carey, Jacob Carse, Stephen McKenna

arxiv:2105.05345 v1 · 2021-05-11 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MXUF3GD4KRRKRKBG35BR3WJBLS}

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	2026-07-05T02:39:50.048772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65e85d987c5462a8a826df431dd9215c96c14f2f827672aac56364f7c89a3a45

Aliases

arxiv: 2105.05345 · arxiv_version: 2105.05345v1 · doi: 10.48550/arxiv.2105.05345 · pith_short_12: MXUF3GD4KRRK · pith_short_16: MXUF3GD4KRRKRKBG · pith_short_8: MXUF3GD4

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/MXUF3GD4KRRKRKBG35BR3WJBLS \
  | 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: 65e85d987c5462a8a826df431dd9215c96c14f2f827672aac56364f7c89a3a45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79a0141477b0837e6bd5b37e81d3b7db91e1b33b91942724e97e152b94db6876",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-05-11T21:17:13Z",
    "title_canon_sha256": "3655e82a0668b1b1eaef2f6bb65c8daa96307244b3f8957e21dd055c37503be8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.05345",
    "kind": "arxiv",
    "version": 1
  }
}