Pith Number

pith:W2IDZHCT

pith:2021:W2IDZHCTAF3CHP6NLKCZNJ4ESG

not attested not anchored not stored refs pending

A Review of the Deep Sea Treasure problem as a Multi-Objective Reinforcement Learning Benchmark

Amber Cassimon, Peter Hellinckx, Reinout Eyckerman, Siegfried Mercelis, Steven Latr\'e

arxiv:2110.06742 v4 · 2021-10-13 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2IDZHCTAF3CHP6NLKCZNJ4ESG}

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	2026-07-05T08:21:02.635930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6903c9c53017623bfcd5a8596a784919f4df3f273392ac87e00e3b1b72bb35c

Aliases

arxiv: 2110.06742 · arxiv_version: 2110.06742v4 · doi: 10.48550/arxiv.2110.06742 · pith_short_12: W2IDZHCTAF3C · pith_short_16: W2IDZHCTAF3CHP6N · pith_short_8: W2IDZHCT

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/W2IDZHCTAF3CHP6NLKCZNJ4ESG \
  | 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: b6903c9c53017623bfcd5a8596a784919f4df3f273392ac87e00e3b1b72bb35c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfd13d40dce42e273ac871ebca1d020b19a5a853aa43201e8b3cfa929c86b33b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-10-13T14:21:21Z",
    "title_canon_sha256": "4ea4bd1d3ac37c1d9000754a740e8816a6ff2e546a21bf4d8497f01669ac7564"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.06742",
    "kind": "arxiv",
    "version": 4
  }
}