Pith Number

pith:3TOHR7WH

pith:2019:3TOHR7WHJZXXAO5ZVCWHWNLLQ7

not attested not anchored not stored refs pending

Parenting: Safe Reinforcement Learning from Human Input

Christopher Frye, Ilya Feige

arxiv:1902.06766 v1 · 2019-02-18 · cs.AI · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3TOHR7WHJZXXAO5ZVCWHWNLLQ7}

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	2026-05-17T23:53:40.843517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcdc78fec74e6f703bb9a8ac7b356b87df3ce91a36da8f7b9375d596b6abb688

Aliases

arxiv: 1902.06766 · arxiv_version: 1902.06766v1 · doi: 10.48550/arxiv.1902.06766 · pith_short_12: 3TOHR7WHJZXX · pith_short_16: 3TOHR7WHJZXXAO5Z · pith_short_8: 3TOHR7WH

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/3TOHR7WHJZXXAO5ZVCWHWNLLQ7 \
  | 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: dcdc78fec74e6f703bb9a8ac7b356b87df3ce91a36da8f7b9375d596b6abb688

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f3f39cdbfd3712b0d7aefcc2e7bdddc300fdd62b743e9d8036fcb1d6a404b21",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-02-18T19:10:18Z",
    "title_canon_sha256": "ed671a14f21e1124d4093536f3e1ab85c103037519cc2978c5847f61d041c537"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06766",
    "kind": "arxiv",
    "version": 1
  }
}