Pith Number

pith:TNI7RFIR

pith:2026:TNI7RFIRNWJ3BO5NCSDOTOPMJN

not attested not anchored not stored refs pending

Decodable Is Not Grounded: A Vision-Ablation Arbiter for VLM Spatial Reasoning

Chih-Ting Liao, Fei Shen, Tat-Seng Chua, Xin Cao

arxiv:2606.31257 v1 · 2026-06-30 · 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{TNI7RFIRNWJ3BO5NCSDOTOPMJN}

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	2026-07-01T01:17:57.292205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b51f895116d93b0bbad1486e9b9ec4b4ede9ec751b2ff1a4569b2bfd62d81bc

Aliases

arxiv: 2606.31257 · arxiv_version: 2606.31257v1 · doi: 10.48550/arxiv.2606.31257 · pith_short_12: TNI7RFIRNWJ3 · pith_short_16: TNI7RFIRNWJ3BO5N · pith_short_8: TNI7RFIR

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/TNI7RFIRNWJ3BO5NCSDOTOPMJN \
  | 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: 9b51f895116d93b0bbad1486e9b9ec4b4ede9ec751b2ff1a4569b2bfd62d81bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efc6e0f95c29b2c91e0f9596b540c8058dcece6b18963bebfcc2dde237e1206b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-30T07:33:18Z",
    "title_canon_sha256": "b8e5039a84e22cba2f7e023f6cedc52429b3d95c8754de1bba8c7f6735a6d5a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31257",
    "kind": "arxiv",
    "version": 1
  }
}