Pith Number

pith:TTUKWL2Q

pith:2021:TTUKWL2QZX3FQEIMPJADNMBK5T

not attested not anchored not stored refs pending

Direct then Diffuse: Incremental Unsupervised Skill Discovery for State Covering and Goal Reaching

Alessandro Lazaric, Jean Tarbouriech, Ludovic Denoyer, Pierre-Alexandre Kamienny, Sylvain Lamprier

arxiv:2110.14457 v2 · 2021-10-27 · 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{TTUKWL2QZX3FQEIMPJADNMBK5T}

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	2026-07-05T04:19:03.669017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ce8ab2f50cdf658110c7a4036b02aeccf7ecbca66cf443e59f659d970e14e07

Aliases

arxiv: 2110.14457 · arxiv_version: 2110.14457v2 · doi: 10.48550/arxiv.2110.14457 · pith_short_12: TTUKWL2QZX3F · pith_short_16: TTUKWL2QZX3FQEIM · pith_short_8: TTUKWL2Q

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/TTUKWL2QZX3FQEIMPJADNMBK5T \
  | 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: 9ce8ab2f50cdf658110c7a4036b02aeccf7ecbca66cf443e59f659d970e14e07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "273cc0807ad034ca0c0bedaa09eeb5c0d88c8e648c377a2fb18ae97dc2ba00a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-10-27T14:22:19Z",
    "title_canon_sha256": "4b13cba0b3f60be1ad84fa0aa3baab9a243f5997a6779e83d8457f480424abc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.14457",
    "kind": "arxiv",
    "version": 2
  }
}