Pith Number

pith:N64O7X3I

pith:2026:N64O7X3INKM3EGQ62EESVFPR4Y

not attested not anchored not stored refs pending

Direct Action-Head Injection of A Grounded 3D Point Unlocks Spatial and Task Generalization

Jia-Hong Lai, Jin-Cheng Jhang, KangTung-Hsu, Shiang-Feng Tsai, Shih-Yun Wong, Yen-Ling Tai, Yi-Ting Chen

arxiv:2606.27663 v1 · 2026-06-26 · 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{N64O7X3INKM3EGQ62EESVFPR4Y}

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	2026-06-29T01:14:44.667265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fb8efdf686a99b21a1ed1092a95f1e633ac1690bc35993047a6c39855e075d7

Aliases

arxiv: 2606.27663 · arxiv_version: 2606.27663v1 · doi: 10.48550/arxiv.2606.27663 · pith_short_12: N64O7X3INKM3 · pith_short_16: N64O7X3INKM3EGQ6 · pith_short_8: N64O7X3I

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/N64O7X3INKM3EGQ62EESVFPR4Y \
  | 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: 6fb8efdf686a99b21a1ed1092a95f1e633ac1690bc35993047a6c39855e075d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57ae7a34e8a2c1892146ab5a1c7ec9f8a16560c1d27b001c3d68997515626fb3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-06-26T02:44:27Z",
    "title_canon_sha256": "76847894517fb2c055fc14698f371057e25f450b9d0182ac9c5619e0c17f2853"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27663",
    "kind": "arxiv",
    "version": 1
  }
}