Pith Number

pith:2PWYZS4I

pith:2019:2PWYZS4INJ274ITAYWWPDY63WF

not attested not anchored not stored refs pending

Obstacle Tower: A Generalization Challenge in Vision, Control, and Planning

Adam Crespi, Ahmed Khalifa, Arthur Juliani, Danny Lange, Ervin Teng, Hunter Henry, Jonathan Harper, Julian Togelius, Vincent-Pierre Berges

arxiv:1902.01378 v2 · 2019-02-04 · cs.AI · 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{2PWYZS4INJ274ITAYWWPDY63WF}

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.

Cited by

1 paper in Pith

ORRB -- OpenAI Remote Rendering Backend

Receipt and verification

First computed	2026-05-17T23:41:45.154559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3ed8ccb886a75fe2260c5acf1e3dbb14bea47c09feef466a28309bcbad8263f

Aliases

arxiv: 1902.01378 · arxiv_version: 1902.01378v2 · doi: 10.48550/arxiv.1902.01378 · pith_short_12: 2PWYZS4INJ27 · pith_short_16: 2PWYZS4INJ274ITA · pith_short_8: 2PWYZS4I

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/2PWYZS4INJ274ITAYWWPDY63WF \
  | 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: d3ed8ccb886a75fe2260c5acf1e3dbb14bea47c09feef466a28309bcbad8263f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0b62d067383678ce76959bb8dfa37411ec00e821ce005caa2e09f7d8b780ac7",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-02-04T18:45:46Z",
    "title_canon_sha256": "337e32763e41e70a574d026875dcca3a3454214f63edc146a3b5de8f0d79835a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01378",
    "kind": "arxiv",
    "version": 2
  }
}