Pith Number

pith:A56D5V3U

pith:2019:A56D5V3U6KEJMF4PU4K2QATW5F

not attested not anchored not stored refs pending

General non-linear Bellman equations

Andre Barreto, Diana Borsa, Hado van Hasselt, John Quan, Matteo Hessel, Zhongwen Xu

arxiv:1907.03687 v1 · 2019-07-08 · cs.LG · cs.AI · 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{A56D5V3U6KEJMF4PU4K2QATW5F}

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	2026-05-17T23:41:14.033659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

077c3ed774f28896178fa715a80276e973f69717692e6740513f165800c32f6b

Aliases

arxiv: 1907.03687 · arxiv_version: 1907.03687v1 · doi: 10.48550/arxiv.1907.03687 · pith_short_12: A56D5V3U6KEJ · pith_short_16: A56D5V3U6KEJMF4P · pith_short_8: A56D5V3U

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/A56D5V3U6KEJMF4PU4K2QATW5F \
  | 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: 077c3ed774f28896178fa715a80276e973f69717692e6740513f165800c32f6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02c71bc8abb4dbbcee368f65e84583198f7ca6e43cd90c12773e49457716d4c9",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-07-08T15:51:01Z",
    "title_canon_sha256": "5823f462ab4bc9fad9d7c4ce8ddcef93a03c05f7a2f381a27c700e3923204d96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03687",
    "kind": "arxiv",
    "version": 1
  }
}