Pith Number

pith:SAN4ID4R

pith:2019:SAN4ID4RA54NE5EVG7V6NHZZQH

not attested not anchored not stored refs pending

Controllable Length Control Neural Encoder-Decoder via Reinforcement Learning

Baojun Lin, Hong Tang, Junyi Bian, Ke Zhang, Yonghe Zhang, Zhaohui Yan

arxiv:1909.09492 v1 · 2019-09-17 · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SAN4ID4RA54NE5EVG7V6NHZZQH}

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	2026-07-05T00:06:00.772563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

901bc40f910778d2749537ebe69f3981f23eb656dd2e47c9bfb5f85f26d1ae58

Aliases

arxiv: 1909.09492 · arxiv_version: 1909.09492v1 · doi: 10.48550/arxiv.1909.09492 · pith_short_12: SAN4ID4RA54N · pith_short_16: SAN4ID4RA54NE5EV · pith_short_8: SAN4ID4R

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/SAN4ID4RA54NE5EVG7V6NHZZQH \
  | 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: 901bc40f910778d2749537ebe69f3981f23eb656dd2e47c9bfb5f85f26d1ae58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61a5e156d126103b3d9bb35e0b1669e6852d4eb0d7c8e795ff082d12cf4ce39b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-09-17T08:57:07Z",
    "title_canon_sha256": "5161109025599dc0b1acf002092403c41657f8a80649df6d35c932aaf338f883"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.09492",
    "kind": "arxiv",
    "version": 1
  }
}