Pith Number

pith:L3QTEU2V

pith:2019:L3QTEU2VTOLX5MWCQR52TKVSNQ

not attested not anchored not stored refs pending

Unsupervised Neural Single-Document Summarization of Reviews via Learning Latent Discourse Structure and its Ranking

Ichiro Sakata, Junichiro Mori, Masaru Isonuma

arxiv:1906.05691 v1 · 2019-06-13 · cs.CL · cs.AI · 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{L3QTEU2VTOLX5MWCQR52TKVSNQ}

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	2026-05-17T23:43:24.579422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ee13253559b977eb2c2847ba9aab26c2680d273e876fd2b408d31209e4e9f29

Aliases

arxiv: 1906.05691 · arxiv_version: 1906.05691v1 · doi: 10.48550/arxiv.1906.05691 · pith_short_12: L3QTEU2VTOLX · pith_short_16: L3QTEU2VTOLX5MWC · pith_short_8: L3QTEU2V

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/L3QTEU2VTOLX5MWCQR52TKVSNQ \
  | 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: 5ee13253559b977eb2c2847ba9aab26c2680d273e876fd2b408d31209e4e9f29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fb03334e709a6526a5b4759fea1ee8605290cf056e8de035150b6e9decd6396",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-13T13:53:10Z",
    "title_canon_sha256": "55d73c600d186183809e9d7a8d4ca7fd40359208b9fbc1a0eadbef5fec3e8e90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05691",
    "kind": "arxiv",
    "version": 1
  }
}