Pith Number

pith:XEU6YPHA

pith:2025:XEU6YPHA6H3L7EVSX5IDK5WW2X

not attested not anchored not stored refs pending

SPARK: Graph-Based Online Semantic Integration System for Robot Task Planning

Mimo Shirasaka, Tatsuya Matsushima, Yusuke Iwasawa, Yutaka Matsuo, Yuya Ikeda

arxiv:2506.20394 v1 · 2025-06-25 · 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{XEU6YPHA6H3L7EVSX5IDK5WW2X}

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	2026-07-05T11:27:04.892766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b929ec3ce0f1f6bf92b2bf503576d6d5fa40cdd33439b4cfa848b4583d1471be

Aliases

arxiv: 2506.20394 · arxiv_version: 2506.20394v1 · doi: 10.48550/arxiv.2506.20394 · pith_short_12: XEU6YPHA6H3L · pith_short_16: XEU6YPHA6H3L7EVS · pith_short_8: XEU6YPHA

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/XEU6YPHA6H3L7EVSX5IDK5WW2X \
  | 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: b929ec3ce0f1f6bf92b2bf503576d6d5fa40cdd33439b4cfa848b4583d1471be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aadde5a98990d5e89d63a8c7e417c31285704ee6ac7537692a7f9c4a1bc43f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2025-06-25T13:02:59Z",
    "title_canon_sha256": "124702b396548763adb9d1287470aaddb6096800beb0d547cd63aa506e70606f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.20394",
    "kind": "arxiv",
    "version": 1
  }
}