Pith Number

pith:RVHDCYU5

pith:2018:RVHDCYU5JF5WT42DSQK4MHMAJT

not attested not anchored not stored refs pending

Nonparametric Stochastic Compositional Gradient Descent for Q-Learning in Continuous Markov Decision Problems

Alec Koppel, Alejandro Ribeiro, Ekaterina Tolstaya, Ethan Stump

arxiv:1804.07323 v1 · 2018-04-19 · cs.LG · cs.SY · 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{RVHDCYU5JF5WT42DSQK4MHMAJT}

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	2026-05-18T00:17:59.158995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d4e31629d497b69f3439415c61d804cf34ec5c3e832aec8ed645f71b790524d

Aliases

arxiv: 1804.07323 · arxiv_version: 1804.07323v1 · doi: 10.48550/arxiv.1804.07323 · pith_short_12: RVHDCYU5JF5W · pith_short_16: RVHDCYU5JF5WT42D · pith_short_8: RVHDCYU5

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/RVHDCYU5JF5WT42DSQK4MHMAJT \
  | 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: 8d4e31629d497b69f3439415c61d804cf34ec5c3e832aec8ed645f71b790524d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22da1d4e5816927b2c40c870ee754a969924b9436fc2d1d9d5792f7da37764a6",
    "cross_cats_sorted": [
      "cs.SY",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-04-19T18:24:18Z",
    "title_canon_sha256": "a587e227ddefad2d0e9fbbf07b4f83e42edc86cebffa0bedc53a9578d8e7847e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07323",
    "kind": "arxiv",
    "version": 1
  }
}