Pith Number

pith:UBZGHTPB

pith:2026:UBZGHTPBGOCQBVPMUFJBMX6M4J

not attested not anchored not stored refs pending

Efficient-WAM: A 1B-Parameter World-Action Model with Low-Cost Future Imagination

Jiajun Li, Meng Guo, Qianpu Sun, Rongyu Zhang, Shanghang Zhang, Tiecheng Guo, Xiaowei Chi, Yan Huang, Yifan Ye, Ying Li, Yunfan Lou, Zhihe Lu

arxiv:2606.10040 v1 · 2026-06-08 · 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{UBZGHTPBGOCQBVPMUFJBMX6M4J}

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	2026-06-10T00:08:46.130963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a07263cde1338500d5eca152165fcce25189d96a6750091cc0becde40905b567

Aliases

arxiv: 2606.10040 · arxiv_version: 2606.10040v1 · doi: 10.48550/arxiv.2606.10040 · pith_short_12: UBZGHTPBGOCQ · pith_short_16: UBZGHTPBGOCQBVPM · pith_short_8: UBZGHTPB

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/UBZGHTPBGOCQBVPMUFJBMX6M4J \
  | 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: a07263cde1338500d5eca152165fcce25189d96a6750091cc0becde40905b567

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b4aba89b8658e5494d2d71fb61bcbc87e12932b3f8173d48132af5c666e3972",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-06-08T18:14:08Z",
    "title_canon_sha256": "42507482ec2c952c71d79aeda1a1e21757fe68a115ebd7f39cbe9a170d0f8405"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.10040",
    "kind": "arxiv",
    "version": 1
  }
}