Pith Number

pith:YMPYQ7KX

pith:2019:YMPYQ7KXURBOI7PN2MP3CBHEWA

not attested not anchored not stored refs pending

Counterexample-Guided Strategy Improvement for POMDPs Using Recurrent Neural Networks

Alexandru C. Serban, Bernd Becker, Nils Jansen, Ralf Wimmer, Steven Carr, Ufuk Topcu

arxiv:1903.08428 v2 · 2019-03-20 · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YMPYQ7KXURBOI7PN2MP3CBHEWA}

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	2026-05-17T23:50:44.326119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c31f887d57a442e47dedd31fb104e4b021f7dc02f77edb4f57691191f127500f

Aliases

arxiv: 1903.08428 · arxiv_version: 1903.08428v2 · doi: 10.48550/arxiv.1903.08428 · pith_short_12: YMPYQ7KXURBO · pith_short_16: YMPYQ7KXURBOI7PN · pith_short_8: YMPYQ7KX

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/YMPYQ7KXURBOI7PN2MP3CBHEWA \
  | 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: c31f887d57a442e47dedd31fb104e4b021f7dc02f77edb4f57691191f127500f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2dd024e2d373a94c1c57ece2c089edd57bdb1f8fdad488206678e0dd4830fe4",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-03-20T10:40:54Z",
    "title_canon_sha256": "b905ae5fd8355bc8de74ff03b7a5904c52f408102195214610a970e6b1206eae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08428",
    "kind": "arxiv",
    "version": 2
  }
}