Pith Number

pith:K3MUG64Y

pith:2019:K3MUG64YZ4SV7SSZSOU2B2JTU3

not attested not anchored not stored refs pending

Learning Latent Trees with Stochastic Perturbations and Differentiable Dynamic Programming

Caio Corro, Ivan Titov

arxiv:1906.09992 v1 · 2019-06-24 · cs.CL · 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{K3MUG64YZ4SV7SSZSOU2B2JTU3}

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	2026-05-17T23:42:35.793847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56d9437b98cf255fca5993a9a0e933a6f3ea919a17672f544d8cfb4f07c16414

Aliases

arxiv: 1906.09992 · arxiv_version: 1906.09992v1 · doi: 10.48550/arxiv.1906.09992 · pith_short_12: K3MUG64YZ4SV · pith_short_16: K3MUG64YZ4SV7SSZ · pith_short_8: K3MUG64Y

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/K3MUG64YZ4SV7SSZSOU2B2JTU3 \
  | 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: 56d9437b98cf255fca5993a9a0e933a6f3ea919a17672f544d8cfb4f07c16414

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18065778fd9b74929c05d28c88cc8aae14fed3252a7d12f05d39208f46f99ec5",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-24T14:29:12Z",
    "title_canon_sha256": "8c4f3b970f8a2ba237c38a0adb94871fc27e313046a61de4bf734cf03879c415"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09992",
    "kind": "arxiv",
    "version": 1
  }
}