Pith Number

pith:UQKWB3U3

pith:2026:UQKWB3U34FIPDWJEY434JCA7KE

not attested not anchored not stored refs pending

SCOPE: Subspace Clustering with Online Per-Head Top-K Estimation for Sparse Video Attention

Chao Xu, Cuifeng Shen, Hanlin Tang, Kan Liu, Lin Qu, Qirui Li, Qi Zhao, Tao Lan, Xiaojin Lu, Xi Li, Yiduo Li, Zhaosheng Chi, Zhen Guo

arxiv:2608.12780 v1 · 2026-08-13 · 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{UQKWB3U34FIPDWJEY434JCA7KE}

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	2026-08-14T00:47:53.125993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a41560ee9be150f1d924c737c4881f5125ef14a3798637aefd0b2ae35eac124c

Aliases

arxiv: 2608.12780 · arxiv_version: 2608.12780v1 · doi: 10.48550/arxiv.2608.12780 · pith_short_12: UQKWB3U34FIP · pith_short_16: UQKWB3U34FIPDWJE · pith_short_8: UQKWB3U3

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/UQKWB3U34FIPDWJEY434JCA7KE \
  | 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: a41560ee9be150f1d924c737c4881f5125ef14a3798637aefd0b2ae35eac124c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66d5ea6aa1119dd15d76c86aa7328c762cb2aed7acc1c613935a271fbcfc5a9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-08-13T03:43:31Z",
    "title_canon_sha256": "c38aeb2f21647dc12327047ef39e41ac48395449f786b847bcea53af2664a9ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.12780",
    "kind": "arxiv",
    "version": 1
  }
}