Pith Number
pith:OCCWOOYX
pith:2025:OCCWOOYXI766AV6QO6JEUL4QAH
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GTA1: GUI Test-time Scaling Agent
GTA1 uses test-time scaling to select optimal action proposals and reinforcement learning to enhance visual grounding for GUI agents.
arxiv:2507.05791 v5 · 2025-07-08 · cs.AI
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\pithnumber{OCCWOOYXI766AV6QO6JEUL4QAH}
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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.
Claims
C1strongest claim
GTA1 achieves state-of-the-art performance on both grounding and agent task execution benchmarks.
C2weakest assumption
A judge model can reliably identify the best action proposal among multiple samples without introducing systematic errors or bias.
C3one line summary
GTA1 combines test-time scaling for action plan selection with RL-based grounding to achieve SOTA results on GUI agent benchmarks.
References
[1] Aria-ui: Visual grounding for gui instruc- tions
[2] Navigating the Digital World as Humans Do: Universal Visual Grounding for GUI Agents
[3] Screenspot-pro: Gui grounding for professional high- resolution computer use.arXiv, abs/2504.07981
[4] OS-ATLAS: A Foundation Action Model for Generalist GUI Agents
[5] SeeClick: Harnessing GUI Grounding for Advanced Visual GUI Agents
Formal links
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Receipt and verification
| First computed | 2026-05-17T23:38:13.905780Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
7085673b1747fde057d077924a2f9001fdd867ceb0215ddc24e8cbccd1d53a5f
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OCCWOOYXI766AV6QO6JEUL4QAH \
| 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: 7085673b1747fde057d077924a2f9001fdd867ceb0215ddc24e8cbccd1d53a5f
Canonical record JSON
{
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"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "cs.AI",
"submitted_at": "2025-07-08T08:52:18Z",
"title_canon_sha256": "d43367af695db65a4d1a5833e0216bd06fe05d9ab9e715e5b69b51fc453af1b3"
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"kind": "arxiv",
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