Pith Number

pith:BUFKONVE

pith:2026:BUFKONVE5ZSCH6TJVCD6YRS76S

not attested not anchored not stored refs pending

Sample-Efficient Post-Training for LEGO Spatial-Physics Reasoning

Ge Lin Kan, Minghao Liu, Weiyang Liu, Yuhuan Yuan, Zhouliang Yu

arxiv:2606.07602 v1 · 2026-05-29 · cs.LG · 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{BUFKONVE5ZSCH6TJVCD6YRS76S}

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	2026-06-09T00:04:44.551420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d0aa736a4ee6423fa69a887ec465ff4a03aced626235d6f4d5e0e0badbba346

Aliases

arxiv: 2606.07602 · arxiv_version: 2606.07602v1 · doi: 10.48550/arxiv.2606.07602 · pith_short_12: BUFKONVE5ZSC · pith_short_16: BUFKONVE5ZSCH6TJ · pith_short_8: BUFKONVE

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/BUFKONVE5ZSCH6TJVCD6YRS76S \
  | 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: 0d0aa736a4ee6423fa69a887ec465ff4a03aced626235d6f4d5e0e0badbba346

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33b6ba707f5f31a39dcf5d770bb5fbffc9c621e11d2b3af06c5af03db151fbf1",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-29T09:31:25Z",
    "title_canon_sha256": "0d6442651eac6758e44eca91830b7ff53c69b2923e57b3807c7087f84c348bd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07602",
    "kind": "arxiv",
    "version": 1
  }
}