Pith Number

pith:BYBXAEUB

pith:2019:BYBXAEUBUDULDTYFFQ4JHQPMCB

not attested not anchored not stored refs pending

Towards Physically Safe Reinforcement Learning under Supervision

Devin Balkcom, Haoxiang Li, Yinan Zhang

arxiv:1901.06576 v1 · 2019-01-19 · cs.LG · stat.ML

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

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	2026-05-17T23:55:49.780591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e03701281a0e8b1cf052c3893c1ec105879cb32f8a71f48e61911168e802534

Aliases

arxiv: 1901.06576 · arxiv_version: 1901.06576v1 · doi: 10.48550/arxiv.1901.06576 · pith_short_12: BYBXAEUBUDUL · pith_short_16: BYBXAEUBUDULDTYF · pith_short_8: BYBXAEUB

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/BYBXAEUBUDULDTYFFQ4JHQPMCB \
  | 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: 0e03701281a0e8b1cf052c3893c1ec105879cb32f8a71f48e61911168e802534

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9fa137e2ce9f448a0c6b93cc3a8a1de2c1183827ea625671c1bfa9af28817c1",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-19T19:16:42Z",
    "title_canon_sha256": "d9e2b2fe213d75c8db6f842a43b69b039c5bc66800b91a93fa700b69e136f894"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06576",
    "kind": "arxiv",
    "version": 1
  }
}