Pith Number

pith:OVF7F5YV

pith:2026:OVF7F5YV74QB2FASUYZOJQVHO6

not attested not anchored not stored refs pending

CaST-Bench: Benchmarking Causal Chain-Grounded Spatio-Temporal Reasoning for Video Question Answering

Ashutosh Kumar, Caixin Kang, Hsuan-Kung Yang, Jingjing Pan, Mingfang Zhang, Mustafa Erdogan, Quan Kong, Rajat Saini, Yifei Huang, Yoichi Sato

arxiv:2605.23216 v1 · 2026-05-22 · 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{OVF7F5YV74QB2FASUYZOJQVHO6}

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	2026-05-25T02:01:44.073778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

754bf2f715ff201d1412a632e4c2a7778a211ff7f18a48c16f61ae7607bf7e5b

Aliases

arxiv: 2605.23216 · arxiv_version: 2605.23216v1 · doi: 10.48550/arxiv.2605.23216 · pith_short_12: OVF7F5YV74QB · pith_short_16: OVF7F5YV74QB2FAS · pith_short_8: OVF7F5YV

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/OVF7F5YV74QB2FASUYZOJQVHO6 \
  | 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: 754bf2f715ff201d1412a632e4c2a7778a211ff7f18a48c16f61ae7607bf7e5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb265774476edbb104dd03996793482c8ecf6fe41b0ab670182ec52bf96e8f6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-22T04:19:29Z",
    "title_canon_sha256": "6929072ca497faa409d2065cdfc0347d6048d21962cd8426140568a5728ef5be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23216",
    "kind": "arxiv",
    "version": 1
  }
}