Pith Number

pith:5TU4QGEX

pith:2021:5TU4QGEXLHPBP3EVC6GAHBAYYI

not attested not anchored not stored refs pending

Scalar reward is not enough: A response to Silver, Singh, Precup and Sutton (2021)

Benjamin J. Smith, Cameron Foale, Conor F. Hayes, Diederik M. Roijers, Fredrik Heintz, Gabriel Ramos, Johan Kallstrom, Patrick Mannion, Peter Vamplew, Pieter J.K. Libin, Richard Dazeley, Roxana Radulescu

arxiv:2112.15422 v1 · 2021-11-25 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5TU4QGEXLHPBP3EVC6GAHBAYYI}

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	2026-07-05T03:44:46.144658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ece9c8189759de17ec95178c038418c216e352e8cf7fb7803a308f0779714f47

Aliases

arxiv: 2112.15422 · arxiv_version: 2112.15422v1 · doi: 10.48550/arxiv.2112.15422 · pith_short_12: 5TU4QGEXLHPB · pith_short_16: 5TU4QGEXLHPBP3EV · pith_short_8: 5TU4QGEX

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/5TU4QGEXLHPBP3EVC6GAHBAYYI \
  | 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: ece9c8189759de17ec95178c038418c216e352e8cf7fb7803a308f0779714f47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "262c77b4ca57ba584bb6694a1f7069b843afcc1337bed88efbaefac21ff2e72b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-11-25T00:58:23Z",
    "title_canon_sha256": "41d35acf0c2a8b3c9106ab7f238cab6b36af91ac500170b0fe4be49cd6da48db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.15422",
    "kind": "arxiv",
    "version": 1
  }
}