Pith Number

pith:HA6WVC6N

pith:2021:HA6WVC6NVSOD24ICZJEFYI3Z73

not attested not anchored not stored refs pending

Contrastive Learning from Extremely Augmented Skeleton Sequences for Self-supervised Action Recognition

Hong Liu, Mengyuan Liu, Runwei Ding, Tao Wang, Tianyu Guo, Zhan Chen

arxiv:2112.03590 v1 · 2021-12-07 · 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{HA6WVC6NVSOD24ICZJEFYI3Z73}

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	2026-07-05T03:38:47.207676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

383d6a8bcdac9c3d7102ca485c2379fed542be1829febe9065422b50ca3c8635

Aliases

arxiv: 2112.03590 · arxiv_version: 2112.03590v1 · doi: 10.48550/arxiv.2112.03590 · pith_short_12: HA6WVC6NVSOD · pith_short_16: HA6WVC6NVSOD24IC · pith_short_8: HA6WVC6N

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/HA6WVC6NVSOD24ICZJEFYI3Z73 \
  | 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: 383d6a8bcdac9c3d7102ca485c2379fed542be1829febe9065422b50ca3c8635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e3215fcb9878768bc73c648737761d4bd3adcff9f603b0d12cfb0ef8a56eb9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-07T09:38:37Z",
    "title_canon_sha256": "1893587e8288dc749dcf6130a6a73be2c123388d32dfa7e65c565b74cb61c473"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.03590",
    "kind": "arxiv",
    "version": 1
  }
}