Pith Number

pith:EDAYKDBT

pith:2025:EDAYKDBTHYUQ2M37C7FDUVOP5M

not attested not anchored not stored refs pending

SpaceTools: Tool-Augmented Spatial Reasoning via Double Interactive RL

Adithyavairavan Murali, Chan Hee Song, Faisal Ladhak, Jonathan Tremblay, Mikaela Angelina Uy, Qing Qu, Siyi Chen, Stan Birchfield, Valts Blukis

arxiv:2512.04069 v2 · 2025-12-03 · cs.CV · 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{EDAYKDBTHYUQ2M37C7FDUVOP5M}

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.

Cited by

4 papers in Pith

SPACENUM: Revisiting Spatial Numerical Understanding in VLMs

Agentic AI for Remote Sensing: Technical Challenges and Research Directions

LAST: Leveraging Tools as Hints to Enhance Spatial Reasoning for Multimodal Large Language Models

Receipt and verification

First computed	2026-06-02T03:05:04.407421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20c1850c333e290d337f17ca3a55cfeb3563fe85b93965db052621102dc8f643

Aliases

arxiv: 2512.04069 · arxiv_version: 2512.04069v2 · doi: 10.48550/arxiv.2512.04069 · pith_short_12: EDAYKDBTHYUQ · pith_short_16: EDAYKDBTHYUQ2M37 · pith_short_8: EDAYKDBT

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/EDAYKDBTHYUQ2M37C7FDUVOP5M \
  | 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: 20c1850c333e290d337f17ca3a55cfeb3563fe85b93965db052621102dc8f643

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e259c6241bf647a20d04d92da7674952f7e4a0924344875ab7b9254b50c8b755",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-12-03T18:50:04Z",
    "title_canon_sha256": "f3beab68b898a795db115a013b006647170adf2ee8b3c5caa6e00e72dd95c08b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.04069",
    "kind": "arxiv",
    "version": 2
  }
}