Pith Number

pith:DIUIC2Z5

pith:2019:DIUIC2Z5VMXXD3ILLG2NABE7LD

not attested not anchored not stored refs pending

Population-based Global Optimisation Methods for Learning Long-term Dependencies with RNNs

Bryan Lim, Stefan Zohren, Stephen Roberts

arxiv:1905.09691 v1 · 2019-05-23 · stat.ML · 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{DIUIC2Z5VMXXD3ILLG2NABE7LD}

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	2026-05-17T23:45:16.288612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a28816b3dab2f71ed0b59b4d0049f58fa555519636f6478f22562cf94850958

Aliases

arxiv: 1905.09691 · arxiv_version: 1905.09691v1 · doi: 10.48550/arxiv.1905.09691 · pith_short_12: DIUIC2Z5VMXX · pith_short_16: DIUIC2Z5VMXXD3IL · pith_short_8: DIUIC2Z5

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/DIUIC2Z5VMXXD3ILLG2NABE7LD \
  | 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: 1a28816b3dab2f71ed0b59b4d0049f58fa555519636f6478f22562cf94850958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f7b95fbb2492963160029f88930cb76207a75618a73e714a3fd5b05b0ceaf63",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-05-23T14:55:28Z",
    "title_canon_sha256": "f429b2c669de4cb19b5f8d94947663c383001531073b23de41bdad919e31641f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09691",
    "kind": "arxiv",
    "version": 1
  }
}