Pith Number

pith:DGBAVAN3

pith:2026:DGBAVAN3EOKSYTEA53KRJUX2LT

not attested not anchored not stored refs pending

StemVLA:An Open-Source Vision-Language-Action Model with Future 3D Spatial Geometry Knowledge and 4D Historical Representation

Jiasong Xiao, Kai Li, Yutao She, Yuyang Sha, Ziang Cheng

arxiv:2602.23721 v2 · 2026-02-27 · cs.RO · 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{DGBAVAN3EOKSYTEA53KRJUX2LT}

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	2026-07-01T01:17:47.704099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19820a81bb23952c4c80eed514d2fa5cfc15dd9cc73f0fd27e2b9ff3dd67435b

Aliases

arxiv: 2602.23721 · arxiv_version: 2602.23721v2 · doi: 10.48550/arxiv.2602.23721 · pith_short_12: DGBAVAN3EOKS · pith_short_16: DGBAVAN3EOKSYTEA · pith_short_8: DGBAVAN3

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/DGBAVAN3EOKSYTEA53KRJUX2LT \
  | 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: 19820a81bb23952c4c80eed514d2fa5cfc15dd9cc73f0fd27e2b9ff3dd67435b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76c709a79108140818f98e7e30cecf2bfe2bd6e254b6ab2acf2cda228291ed3b",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-02-27T06:43:37Z",
    "title_canon_sha256": "b94a49e491793a4121609b2e3304cfa3a6801b81680f488ac869077889f34935"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.23721",
    "kind": "arxiv",
    "version": 2
  }
}