Pith Number

pith:7A4ITYJV

pith:2019:7A4ITYJVR54PNMU7WUDNRWFCTW

not attested not anchored not stored refs pending

Efficient Obstacle Rearrangement for Object Manipulation Tasks in Cluttered Environments

Changhwan Kim, Changjoo Nam, Jinhwi Lee, Jonghyeon Park, Younggil Cho

arxiv:1902.06907 v1 · 2019-02-19 · 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{7A4ITYJVR54PNMU7WUDNRWFCTW}

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	2026-05-17T23:53:40.463814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f83889e1358f78f6b29fb506d8d8a29d95d6ddbc77f44f7c6641d1af0c11212b

Aliases

arxiv: 1902.06907 · arxiv_version: 1902.06907v1 · doi: 10.48550/arxiv.1902.06907 · pith_short_12: 7A4ITYJVR54P · pith_short_16: 7A4ITYJVR54PNMU7 · pith_short_8: 7A4ITYJV

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/7A4ITYJVR54PNMU7WUDNRWFCTW \
  | 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: f83889e1358f78f6b29fb506d8d8a29d95d6ddbc77f44f7c6641d1af0c11212b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2923ef1e7da34fb5bec4b608616efb2ce68f754487cfe68060cefad7c9164b94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-02-19T05:32:40Z",
    "title_canon_sha256": "0afe284438b8ccccdf19bbe9aa4ea958606887bbe04225dd08afc6aa54641240"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06907",
    "kind": "arxiv",
    "version": 1
  }
}