Pith Number

pith:4VUDBXQF

pith:2026:4VUDBXQFTZN6FCYXEPINYYG5IJ

not attested not anchored not stored refs pending

ProAct: A Benchmark and Multimodal Framework for Structure-Aware Proactive Response

Fangzhen Lin, Fengming Zhu, Weijie Zhou, Xiaomeng Zhu, Xinyu Wu, Xuantang Xiong, Ye Tian, Yuchun Guo, Yufei Huang, Zhengyou Zhang, Zhenlin Hu

arxiv:2602.03430 v3 · 2026-02-03 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VUDBXQFTZN6FCYXEPINYYG5IJ}

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	2026-07-14T02:21:28.807930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e56830de059e5be28b1723d0dc60dd42682e695ea3b15458a6c6e296c3dd446c

Aliases

arxiv: 2602.03430 · arxiv_version: 2602.03430v3 · doi: 10.48550/arxiv.2602.03430 · pith_short_12: 4VUDBXQFTZN6 · pith_short_16: 4VUDBXQFTZN6FCYX · pith_short_8: 4VUDBXQF

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/4VUDBXQFTZN6FCYXEPINYYG5IJ \
  | 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: e56830de059e5be28b1723d0dc60dd42682e695ea3b15458a6c6e296c3dd446c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d3cad3706044834b1645c40fb1a5272aec42ecc8aaa8648d740902f1c66f4cc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-02-03T11:52:19Z",
    "title_canon_sha256": "cdbc4d9ba37397a18a93f8ad9cc7de7418ba17b1e95e605f8854d5d3da7617ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.03430",
    "kind": "arxiv",
    "version": 3
  }
}