Pith Number

pith:22JQHJOC

pith:2025:22JQHJOCKZODM24WH4JKIZSFVM

not attested not anchored not stored refs pending

Few-shot Human Action Anomaly Detection via a Unified Contrastive Learning Framework

Chao Zhang, Chunzhi Gu, Koichiro Kamide, Shun Maeda, Shunsuke Sakai

arxiv:2508.17726 v1 · 2025-08-25 · 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{22JQHJOCKZODM24WH4JKIZSFVM}

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	2026-07-05T11:58:46.511299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d69303a5c2565c366b963f12a46645ab263ec1a9caaf3d78584c70898119c907

Aliases

arxiv: 2508.17726 · arxiv_version: 2508.17726v1 · doi: 10.48550/arxiv.2508.17726 · pith_short_12: 22JQHJOCKZOD · pith_short_16: 22JQHJOCKZODM24W · pith_short_8: 22JQHJOC

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/22JQHJOCKZODM24WH4JKIZSFVM \
  | 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: d69303a5c2565c366b963f12a46645ab263ec1a9caaf3d78584c70898119c907

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e06e37492ee53d2c4ca2446145af7f6d09dc37fd646fe83ec3f5e512fb66647e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-25T07:07:35Z",
    "title_canon_sha256": "1b3128408423cdef65a9ab3a86a45cbd04360f13fa71289652c54f4ff825d9e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.17726",
    "kind": "arxiv",
    "version": 1
  }
}