Pith Number

pith:FOQW4UON

pith:2021:FOQW4UONMRTS7LZIGDMKNCQFVN

not attested not anchored not stored refs pending

CASA: Bridging the Gap between Policy Improvement and Policy Evaluation with Conflict Averse Policy Iteration

Changnan Xiao, Haiyan Yin, Haosen Shi, Jiajun Fan, Shihong Deng

arxiv:2105.03923 v5 · 2021-05-09 · cs.LG · 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{FOQW4UONMRTS7LZIGDMKNCQFVN}

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	2026-07-05T05:45:24.415844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ba16e51cd64672faf2830d8a68a05ab69141695d5e1e717cac69716eb88ad5d

Aliases

arxiv: 2105.03923 · arxiv_version: 2105.03923v5 · doi: 10.48550/arxiv.2105.03923 · pith_short_12: FOQW4UONMRTS · pith_short_16: FOQW4UONMRTS7LZI · pith_short_8: FOQW4UON

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/FOQW4UONMRTS7LZIGDMKNCQFVN \
  | 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: 2ba16e51cd64672faf2830d8a68a05ab69141695d5e1e717cac69716eb88ad5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30c305ee2c8d1a3f975241a645428193efa904c07ae4ce2e59dd8fb65be6997a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-05-09T12:45:13Z",
    "title_canon_sha256": "efa1fea4c1386ecee6d03caa3e302e81c51ba13ea8715d9087499daed9486464"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.03923",
    "kind": "arxiv",
    "version": 5
  }
}