Pith Number

pith:47WCE4M6

pith:2020:47WCE4M6DUI6WGQBJXRA3KULSB

not attested not anchored not stored refs pending

Transfer Learning or Self-supervised Learning? A Tale of Two Pretraining Paradigms

Pengtao Xie, Shanghang Zhang, Xingyi Yang, Xuehai He, Yue Yang, Yuxiao Liang

arxiv:2007.04234 v1 · 2020-06-19 · cs.CV · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47WCE4M6DUI6WGQBJXRA3KULSB}

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	2026-07-05T01:17:22.299726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7ec22719e1d11eb1a014de20daa8b907bce68a5a700ccbfe88864dc124ee101

Aliases

arxiv: 2007.04234 · arxiv_version: 2007.04234v1 · doi: 10.48550/arxiv.2007.04234 · pith_short_12: 47WCE4M6DUI6 · pith_short_16: 47WCE4M6DUI6WGQB · pith_short_8: 47WCE4M6

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/47WCE4M6DUI6WGQBJXRA3KULSB \
  | 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: e7ec22719e1d11eb1a014de20daa8b907bce68a5a700ccbfe88864dc124ee101

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e5697e19da380f43102953837ab43b5a64ca1e347820d679679e4c280fe2a32",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-06-19T05:21:00Z",
    "title_canon_sha256": "1e4794f8d22089c3dd668f39cc452d8a453814dfef32ddd621921168fc41f731"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.04234",
    "kind": "arxiv",
    "version": 1
  }
}