Pith Number

pith:JEHTVZ2B

pith:2015:JEHTVZ2BZ633XWF5LDEFVSIO5W

not attested not anchored not stored refs pending

A Gauss-Newton Method for Markov Decision Processes

Guy Lever, Thomas Furmston

arxiv:1507.08271 v4 · 2015-07-29 · cs.AI · 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{JEHTVZ2BZ633XWF5LDEFVSIO5W}

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	2026-05-18T01:35:43.207101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

490f3ae741cfb7bbd8bd58c85ac90eed97a692658b8639fca7ae410c745c7905

Aliases

arxiv: 1507.08271 · arxiv_version: 1507.08271v4 · doi: 10.48550/arxiv.1507.08271 · pith_short_12: JEHTVZ2BZ633 · pith_short_16: JEHTVZ2BZ633XWF5 · pith_short_8: JEHTVZ2B

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/JEHTVZ2BZ633XWF5LDEFVSIO5W \
  | 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: 490f3ae741cfb7bbd8bd58c85ac90eed97a692658b8639fca7ae410c745c7905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c41112c73be1effac2408b6325815ee688bf7c3b88f47164d448342d07428f80",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-07-29T19:37:24Z",
    "title_canon_sha256": "ea546fd9246b3f84df7a36f434c0eadd5f9d07bcba316cd057409904825d2740"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08271",
    "kind": "arxiv",
    "version": 4
  }
}