Pith Number

pith:H6BFOHC3

pith:2021:H6BFOHC3VDMUQDLQ6M452MHB7H

not attested not anchored not stored refs pending

Self-supervised Mean Teacher for Semi-supervised Chest X-ray Classification

Fengbei Liu, Filipe R. Cordeiro, Gustavo Carneiro, Ian Reid, Vasileios Belagiannis, Yu Tian

arxiv:2103.03629 v3 · 2021-03-05 · 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{H6BFOHC3VDMUQDLQ6M452MHB7H}

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	2026-07-05T03:29:00.000037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f82571c5ba8d9480d70f339dd30e1f9c40cb3a0fdc64769396ac943a5bfa4a9

Aliases

arxiv: 2103.03629 · arxiv_version: 2103.03629v3 · doi: 10.48550/arxiv.2103.03629 · pith_short_12: H6BFOHC3VDMU · pith_short_16: H6BFOHC3VDMUQDLQ · pith_short_8: H6BFOHC3

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/H6BFOHC3VDMUQDLQ6M452MHB7H \
  | 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: 3f82571c5ba8d9480d70f339dd30e1f9c40cb3a0fdc64769396ac943a5bfa4a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a880d91b3df01a850f1da09ac95e6ef789200f93f3180f9e7c32db56879c24fa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-05T12:25:36Z",
    "title_canon_sha256": "13acd5dab5ec3469ad6cbe3dae5c6d667dbd34da8d9a376a2e928f032fb9544d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.03629",
    "kind": "arxiv",
    "version": 3
  }
}