Pith Number

pith:NAMJH34R

pith:2022:NAMJH34RNKNZMGX7RTZJ66BBJF

not attested not anchored not stored refs pending

Self-supervised and Weakly Supervised Contrastive Learning for Frame-wise Action Representations

Boxi Wu, Chenxi Huang, Deng Cai, Minghao Chen, Renbo Tu, Yuqi Lin

arxiv:2212.03125 v4 · 2022-12-06 · 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{NAMJH34RNKNZMGX7RTZJ66BBJF}

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	2026-07-05T05:47:20.372342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

681893ef916a9b961aff8cf29f7821494199ec57c8c01f698aff8520aaf6c303

Aliases

arxiv: 2212.03125 · arxiv_version: 2212.03125v4 · doi: 10.48550/arxiv.2212.03125 · pith_short_12: NAMJH34RNKNZ · pith_short_16: NAMJH34RNKNZMGX7 · pith_short_8: NAMJH34R

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/NAMJH34RNKNZMGX7RTZJ66BBJF \
  | 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: 681893ef916a9b961aff8cf29f7821494199ec57c8c01f698aff8520aaf6c303

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65bf94878140f0bf4272f33e02b8c293eaaecd6b740c0881670bbe2a30b13202",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-12-06T16:42:22Z",
    "title_canon_sha256": "e98e45a54b018bc1e70d65a7fddc64f1aae1ffb2ee5b9d680d15ec3e02e39996"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.03125",
    "kind": "arxiv",
    "version": 4
  }
}