Pith Number

pith:SYJBMWVZ

pith:2026:SYJBMWVZEXHKYH4VSZ2N7QJNQQ

not attested not anchored not stored refs pending

QCA: Query- and Content-Aware Keyframe Selection for Long Video Understanding

Baiyang Song, Hui Li, Jie Li, Jun Peng, Rongrong Ji, Yiyi Zhou, Yonghong Tian

arxiv:2607.00983 v1 · 2026-07-01 · 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{SYJBMWVZEXHKYH4VSZ2N7QJNQQ}

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	2026-07-02T01:18:25.182789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9612165ab925ceac1f959674dfc12d840db47fb743dcd03e864af5c5583fa938

Aliases

arxiv: 2607.00983 · arxiv_version: 2607.00983v1 · doi: 10.48550/arxiv.2607.00983 · pith_short_12: SYJBMWVZEXHK · pith_short_16: SYJBMWVZEXHKYH4V · pith_short_8: SYJBMWVZ

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/SYJBMWVZEXHKYH4VSZ2N7QJNQQ \
  | 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: 9612165ab925ceac1f959674dfc12d840db47fb743dcd03e864af5c5583fa938

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e860651fcc8c094d630e57520d0243a4785c0b30440cff5d68908fc05bbd5caf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-01T14:19:24Z",
    "title_canon_sha256": "e99bf3f9e69138f938bb8d26ae752c686d8f9c420c39a3159c92a78d01b329ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00983",
    "kind": "arxiv",
    "version": 1
  }
}