Pith Number

pith:IA2KQPQI

pith:2026:IA2KQPQIENUOW5RKEIMLLCC6EU

not attested not anchored not stored refs pending

SPARGen: Unifying Spatial Perception and Reasoning through Native Multimodal Generation

Feifei Shao, Jianhua Li, Jinsheng Quan, Kewang Deng, Lei Yang, Quan Wang, Siyi Xie, Xuanke Shi, Yawei Luo, Zukai Chen

arxiv:2608.14138 v1 · 2026-08-14 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IA2KQPQIENUOW5RKEIMLLCC6EU}

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	2026-08-17T01:12:09.828323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4034a83e082368eb762a2218b5885e2512057e1ed0025beebf353e71cf0f5281

Aliases

arxiv: 2608.14138 · arxiv_version: 2608.14138v1 · doi: 10.48550/arxiv.2608.14138 · pith_short_12: IA2KQPQIENUO · pith_short_16: IA2KQPQIENUOW5RK · pith_short_8: IA2KQPQI

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/IA2KQPQIENUOW5RKEIMLLCC6EU \
  | 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: 4034a83e082368eb762a2218b5885e2512057e1ed0025beebf353e71cf0f5281

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efec13c512d675da2708922e44496c8bcb72e1aab25841015c11317257c1308b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-08-14T09:44:37Z",
    "title_canon_sha256": "f3ba0fb63825c04c2ac197db618c4bee3951c1c132159ffad912f01fdc89776a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.14138",
    "kind": "arxiv",
    "version": 1
  }
}