Pith Number

pith:4VZQVU2H

pith:2026:4VZQVU2HOFPPIEQAOJRHUASW72

not attested not anchored not stored refs pending

APB-V: Accelerating Long-Video Understanding via Sequence-Parallelism-aware Approximate Attention

Ao Sun, Chaojun Xiao, Fandong Meng, Hao Zhou, Mingye Li, Weilin Zhao, Xu Han, Yuxiang Huang, Zhiyuan Liu, Ziqi Yuan

arxiv:2601.21444 v2 · 2026-01-29 · cs.CV · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VZQVU2HOFPPIEQAOJRHUASW72}

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	2026-06-02T02:04:50.253833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5730ad347715ef4120072627a0256feb95de8a72f9f1ef06b9f9974a9712d6f

Aliases

arxiv: 2601.21444 · arxiv_version: 2601.21444v2 · doi: 10.48550/arxiv.2601.21444 · pith_short_12: 4VZQVU2HOFPP · pith_short_16: 4VZQVU2HOFPPIEQA · pith_short_8: 4VZQVU2H

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/4VZQVU2HOFPPIEQAOJRHUASW72 \
  | 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: e5730ad347715ef4120072627a0256feb95de8a72f9f1ef06b9f9974a9712d6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5deef7efb8a998cb2ffa01cd8c5bd303610ff6a4582511efaacf3c3563292374",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-01-29T09:23:13Z",
    "title_canon_sha256": "30290f6fb046b98d64b313656f2668139de4786f6daf84f2d81b8de2daa79f70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.21444",
    "kind": "arxiv",
    "version": 2
  }
}