Pith Number

pith:JOJK6GNW

pith:2022:JOJK6GNW2VJNRSQGVNCF73NNXM

not attested not anchored not stored refs pending

Deep Unsupervised Key Frame Extraction for Efficient Video Classification

Bin Ren, Hao Tang, Lei Ding, Nicu Sebe, Paolo Rota, Songsong Wu

arxiv:2211.06742 v1 · 2022-11-12 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JOJK6GNW2VJNRSQGVNCF73NNXM}

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	2026-07-05T05:15:44.855188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b92af19b6d552d8ca06ab445fedadbb18b4b2101b058182e4bd1505acc01017

Aliases

arxiv: 2211.06742 · arxiv_version: 2211.06742v1 · doi: 10.48550/arxiv.2211.06742 · pith_short_12: JOJK6GNW2VJN · pith_short_16: JOJK6GNW2VJNRSQG · pith_short_8: JOJK6GNW

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/JOJK6GNW2VJNRSQGVNCF73NNXM \
  | 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: 4b92af19b6d552d8ca06ab445fedadbb18b4b2101b058182e4bd1505acc01017

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bfe3884b6101c9eb7a6d2c9384bddd313b2e92efb542c893abaf19722c8cdbc",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-11-12T20:45:35Z",
    "title_canon_sha256": "6378b25af53e9a714c2498b18e3554b8cd882169f7a7ea03634c580a4deedf4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.06742",
    "kind": "arxiv",
    "version": 1
  }
}