Pith Number

pith:ZKWGHNK7

pith:2026:ZKWGHNK7XCZY6PPRH7Y4YPDWMV

not attested not anchored not stored refs pending

Ground, Cover, and Refine: Evidence-Centric Frame Selection for Long-Video Question Answering

Fan Wei, Haohuan Fu, Miao Yang, Runmin Dong, Siru Zhong, Zhaoyang Luo

arxiv:2608.01660 v1 · 2026-08-03 · 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{ZKWGHNK7XCZY6PPRH7Y4YPDWMV}

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	2026-08-04T02:06:21.592239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caac63b55fb8b38f3df13ff1cc3c76654caf0fff52021cabc0ba9bc2675af01f

Aliases

arxiv: 2608.01660 · arxiv_version: 2608.01660v1 · doi: 10.48550/arxiv.2608.01660 · pith_short_12: ZKWGHNK7XCZY · pith_short_16: ZKWGHNK7XCZY6PPR · pith_short_8: ZKWGHNK7

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/ZKWGHNK7XCZY6PPRH7Y4YPDWMV \
  | 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: caac63b55fb8b38f3df13ff1cc3c76654caf0fff52021cabc0ba9bc2675af01f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf1031368f1f22acf3d14fec6ba5a9489f9dd2a6725a93608c47b1fa0db2e8b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-08-03T03:50:22Z",
    "title_canon_sha256": "92683abdb03558c7042e83e9b9c28262b8011e8b26eda0d5cd031a9b7dc0291e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.01660",
    "kind": "arxiv",
    "version": 1
  }
}