Pith Number

pith:BPULQNC6

pith:2018:BPULQNC67DTGBQ22IBESSHWXAA

not attested not anchored not stored refs pending

Precise but Natural Specification for Robot Tasks

Brendon Boldt, Eva Darulova, Ivan Gavran, Rupak Majumdar

arxiv:1803.02238 v2 · 2018-03-06 · cs.RO · cs.CL · cs.SY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPULQNC67DTGBQ22IBESSHWXAA}

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	2026-05-18T00:05:19.455567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0be8b8345ef8e660c35a4049291ed7002e5af4f44e992ff279e3aa2736fd8cd8

Aliases

arxiv: 1803.02238 · arxiv_version: 1803.02238v2 · doi: 10.48550/arxiv.1803.02238 · pith_short_12: BPULQNC67DTG · pith_short_16: BPULQNC67DTGBQ22 · pith_short_8: BPULQNC6

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/BPULQNC67DTGBQ22IBESSHWXAA \
  | 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: 0be8b8345ef8e660c35a4049291ed7002e5af4f44e992ff279e3aa2736fd8cd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11662ebef391ce4e50d1e58b8ae2b813035c164d6c477039156b23fd33fb1f85",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-03-06T15:07:40Z",
    "title_canon_sha256": "98b765807dcb0a39e3402a2e548a7bb07e6a5b5c87aaac22d6535e4327766bec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02238",
    "kind": "arxiv",
    "version": 2
  }
}