Pith Number

pith:PYK2EXYI

pith:2012:PYK2EXYIGMLBLJUYFEUTNIQ4GG

not attested not anchored not stored refs pending

Approximate Modified Policy Iteration

Bruno Scherrer (INRIA Lorraine - LORIA), Matthieu Geist (UMI2958), Mohammad Ghavamzadeh (INRIA Lille - Nord Europe), Victor Gabillon (INRIA Lille - Nord Europe)

arxiv:1205.3054 v2 · 2012-05-14 · 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{PYK2EXYIGMLBLJUYFEUTNIQ4GG}

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	2026-05-18T03:55:22.974472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e15a25f08331615a698292936a21c3191f06a4a0d919e808ed1ccc9b0c934f9

Aliases

arxiv: 1205.3054 · arxiv_version: 1205.3054v2 · doi: 10.48550/arxiv.1205.3054 · pith_short_12: PYK2EXYIGMLB · pith_short_16: PYK2EXYIGMLBLJUY · pith_short_8: PYK2EXYI

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/PYK2EXYIGMLBLJUYFEUTNIQ4GG \
  | 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: 7e15a25f08331615a698292936a21c3191f06a4a0d919e808ed1ccc9b0c934f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba612c5b06ef15d4a4ae92fcf68301f0aa95af8503d2b9638c187cf2c89be9b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-05-14T15:01:31Z",
    "title_canon_sha256": "9fb72c1adf0a2f9ecc62be179bfe84de485053698408a2edd2531a3d2a91c014"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3054",
    "kind": "arxiv",
    "version": 2
  }
}