Pith Number

pith:ZLLB2PNE

pith:2025:ZLLB2PNEZBOE2ZJ6N6NHWN5VIZ

not attested not anchored not stored refs pending

SpatialThinker: Reinforcing Scene Graph-Grounded Spatial Reasoning via Dense Rewards

Cihang Xie, Haoqin Tu, Hardy Chen, Hunar Batra, Ronald Clark, Yuanze Lin

arxiv:2511.07403 v2 · 2025-11-10 · cs.CV · cs.AI · cs.CL · cs.LG

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZLLB2PNEZBOE2ZJ6N6NHWN5VIZ}

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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.

Cited by

10 papers in Pith

SpatiO: Adaptive Test-Time Orchestration of Vision-Language Agents for Spatial Reasoning

OneCanvas: 3D Scene Understanding via Panoramic Reprojection

OmniView-Space: Reinforcing Spatial Reasoning via Multi-Perspective Spatial Mapping

DRIVESPATIAL: A Benchmark for Spatiotemporal Intelligence in VLMs for Autonomous Driving

Rethinking VLM Representation for VLA Initialization

Receipt and verification

First computed	2026-07-07T00:15:50.674997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cad61d3da4c85c4d653e6f9a7b37b546447d59e3a4b229d7346162af6de123d1

Aliases

arxiv: 2511.07403 · arxiv_version: 2511.07403v2 · doi: 10.48550/arxiv.2511.07403 · pith_short_12: ZLLB2PNEZBOE · pith_short_16: ZLLB2PNEZBOE2ZJ6 · pith_short_8: ZLLB2PNE

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/ZLLB2PNEZBOE2ZJ6N6NHWN5VIZ \
  | 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: cad61d3da4c85c4d653e6f9a7b37b546447d59e3a4b229d7346162af6de123d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "625c64106af67e10e66bc09d73f4dca33e8e4cf5b725d7d796ff17fde9902b4b",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-11-10T18:52:47Z",
    "title_canon_sha256": "c2b6382f6cad79de25fc995fe985e8bbf76aea05fea0e3ec68ccc6fc33d13c05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2511.07403",
    "kind": "arxiv",
    "version": 2
  }
}