Pith Number

pith:ZBO6VUH5

pith:2023:ZBO6VUH5UYIHUSOKX6LTYXASVG

not attested not anchored not stored refs pending

DIRECT: Learning from Sparse and Shifting Rewards using Discriminative Reward Co-Training

Claudia Linnhoff-Popien, Fabian Ritz, Philipp Altmann, Thomas Gabor, Thomy Phan

arxiv:2301.07421 v1 · 2023-01-18 · 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{ZBO6VUH5UYIHUSOKX6LTYXASVG}

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	2026-07-05T05:34:08.950752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c85dead0fda6107a49cabf973c5c12a9b0f0a84366787f0c6cb67ceb729c8809

Aliases

arxiv: 2301.07421 · arxiv_version: 2301.07421v1 · doi: 10.48550/arxiv.2301.07421 · pith_short_12: ZBO6VUH5UYIH · pith_short_16: ZBO6VUH5UYIHUSOK · pith_short_8: ZBO6VUH5

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/ZBO6VUH5UYIHUSOKX6LTYXASVG \
  | 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: c85dead0fda6107a49cabf973c5c12a9b0f0a84366787f0c6cb67ceb729c8809

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2db76f23db0baa2c7cfbc078b265577e9f4138a7fee00fdc77931b1964da2a11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-01-18T10:42:00Z",
    "title_canon_sha256": "8ec22c13d5f627c7dec77c4a8a90b5bf3305a7bfde0875876acd71c0567c9688"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.07421",
    "kind": "arxiv",
    "version": 1
  }
}