Pith Number

pith:7WPL54D6

pith:2018:7WPL54D6SCIUN35CWQ5QKIKCWW

not attested not anchored not stored refs pending

Unicorn: Continual Learning with a Universal, Off-policy Agent

Andr\'e Barreto, Augustin \v{Z}\'idek, Dan Horgan, Daniel J. Mankowitz, David Silver, Hado van Hasselt, John Quan, Junhyuk Oh, Matteo Hessel, Tom Schaul

arxiv:1802.08294 v2 · 2018-02-22 · 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{7WPL54D6SCIUN35CWQ5QKIKCWW}

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	2026-05-18T00:11:49.813508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd9ebef07e909146efa2b43b052142b5bb065fde7be9fffaab9aca0738a10cb2

Aliases

arxiv: 1802.08294 · arxiv_version: 1802.08294v2 · doi: 10.48550/arxiv.1802.08294 · pith_short_12: 7WPL54D6SCIU · pith_short_16: 7WPL54D6SCIUN35C · pith_short_8: 7WPL54D6

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/7WPL54D6SCIUN35CWQ5QKIKCWW \
  | 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: fd9ebef07e909146efa2b43b052142b5bb065fde7be9fffaab9aca0738a10cb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2cb8d1536389fc30f2335b2ac0fe8ce66450118677669d452f5c57a2316e026",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-02-22T20:42:19Z",
    "title_canon_sha256": "48a6768a4076fce304179f72ef79fd56e1791035a8fce449016de2039fbb56da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08294",
    "kind": "arxiv",
    "version": 2
  }
}