Pith Number

pith:5GCIPWXY

pith:2021:5GCIPWXYW7KECFZSBYWUZ2THU2

not attested not anchored not stored refs pending

Weakly Supervised Contrastive Learning

Changshui Zhang, Chang Xu, Chen Qian, Fei Wang, Mingkai Zheng, Shan You, Xiaogang Wang

arxiv:2110.04770 v1 · 2021-10-10 · 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{5GCIPWXYW7KECFZSBYWUZ2THU2}

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.

Cited by

1 paper in Pith

Learning Diachronic Representations of Ancient Greek Letterforms

Receipt and verification

First computed	2026-07-05T03:21:21.232363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e98487daf8b7d44117320e2d4cea67a6baa8966951151b7aec2177c5c270632d

Aliases

arxiv: 2110.04770 · arxiv_version: 2110.04770v1 · doi: 10.48550/arxiv.2110.04770 · pith_short_12: 5GCIPWXYW7KE · pith_short_16: 5GCIPWXYW7KECFZS · pith_short_8: 5GCIPWXY

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/5GCIPWXYW7KECFZSBYWUZ2THU2 \
  | 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: e98487daf8b7d44117320e2d4cea67a6baa8966951151b7aec2177c5c270632d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aa648aa8171fd4892b292f2ecfc073188da27a4c7f93d54d617169a55dc6963",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-10-10T12:03:52Z",
    "title_canon_sha256": "fc1b6f623cda7cdd1be99a35beae58b3fb148c3d71bc336109eaeef001724bfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.04770",
    "kind": "arxiv",
    "version": 1
  }
}