Pith Number

pith:R2OB7L42

pith:2013:R2OB7L42PXNPG5YR6IA3UJPNNA

not attested not anchored not stored refs pending

Approximate Kalman Filter Q-Learning for Continuous State-Space MDPs

Charles Tripp, Ross D. Shachter

arxiv:1309.6868 v1 · 2013-09-26 · 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{R2OB7L42PXNPG5YR6IA3UJPNNA}

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	2026-05-18T03:12:09.952346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e9c1faf9a7ddaf37711f201ba25ed681d2e4605fb3d4d7da3345904ec7ca1c3

Aliases

arxiv: 1309.6868 · arxiv_version: 1309.6868v1 · doi: 10.48550/arxiv.1309.6868 · pith_short_12: R2OB7L42PXNP · pith_short_16: R2OB7L42PXNPG5YR · pith_short_8: R2OB7L42

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/R2OB7L42PXNPG5YR6IA3UJPNNA \
  | 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: 8e9c1faf9a7ddaf37711f201ba25ed681d2e4605fb3d4d7da3345904ec7ca1c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dc7e2fce3ebea39de031dd4f0c614374d7b42716f08326adfab0ce7766394ba",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-09-26T12:51:47Z",
    "title_canon_sha256": "cddfb8e929fdc5e04baeed7a5caf4f84f7afebc38925affa26c8c1fd1366085f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6868",
    "kind": "arxiv",
    "version": 1
  }
}