Pith Number

pith:N5YJR74S

pith:2018:N5YJR74SUJKH7FV5CFWHB4DFU2

not attested not anchored not stored refs pending

Security and Performance Considerations in ROS 2: A Balancing Act

Calvin Cheung, Jonathon M. Smereka, Jongkil Kim, Marthie Grobler, Surya Nepal

arxiv:1809.09566 v1 · 2018-09-24 · cs.CR · cs.NI · 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{N5YJR74SUJKH7FV5CFWHB4DFU2}

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	2026-05-18T00:04:50.739724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f7098ff92a2547f96bd116c70f065a6a5576d4d27cb7053ade2339565ba2c03

Aliases

arxiv: 1809.09566 · arxiv_version: 1809.09566v1 · doi: 10.48550/arxiv.1809.09566 · pith_short_12: N5YJR74SUJKH · pith_short_16: N5YJR74SUJKH7FV5 · pith_short_8: N5YJR74S

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/N5YJR74SUJKH7FV5CFWHB4DFU2 \
  | 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: 6f7098ff92a2547f96bd116c70f065a6a5576d4d27cb7053ade2339565ba2c03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2e67f24ec40249f6c40256e60839bff762928677a13ba2da6ad5f0e3d964bc8",
    "cross_cats_sorted": [
      "cs.NI",
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-09-24T12:52:14Z",
    "title_canon_sha256": "2abe728394e20c03ae3d24dc40475c7fb8f778c17ba413f3a333facaba10310d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09566",
    "kind": "arxiv",
    "version": 1
  }
}