Pith Number

pith:DDWUDRH4

pith:2020:DDWUDRH4M3OKTLAAGRPP35SN4O

not attested not anchored not stored refs pending

Explore, Discover and Learn: Unsupervised Discovery of State-Covering Skills

Alexander Trott, Caiming Xiong, Jordi Torres, Richard Socher, V\'ictor Campos, Xavier Giro-i-Nieto

arxiv:2002.03647 v4 · 2020-02-10 · cs.LG · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDWUDRH4M3OKTLAAGRPP35SN4O}

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	2026-07-05T01:23:57.055469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18ed41c4fc66dca9ac00345efdf64de3b842cc4233350e5b7d38f0bcd126fa52

Aliases

arxiv: 2002.03647 · arxiv_version: 2002.03647v4 · doi: 10.48550/arxiv.2002.03647 · pith_short_12: DDWUDRH4M3OK · pith_short_16: DDWUDRH4M3OKTLAA · pith_short_8: DDWUDRH4

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/DDWUDRH4M3OKTLAAGRPP35SN4O \
  | 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: 18ed41c4fc66dca9ac00345efdf64de3b842cc4233350e5b7d38f0bcd126fa52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "082c033879da4ceae71255e48efd68ac3fda5f92cc87181bda1d86058ee13b9e",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-02-10T10:49:53Z",
    "title_canon_sha256": "f8a444a51ea761306a9e002505570239803f0cd50225e1e097cd05a52198e26f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.03647",
    "kind": "arxiv",
    "version": 4
  }
}