Pith Number

pith:MQ2SXE6O

pith:2017:MQ2SXE6OZH77KHZ777ERINWXII

not attested not anchored not stored refs pending

Unsupervised Aspect Term Extraction with B-LSTM & CRF using Automatically Labelled Datasets

Andreea Hossmann, Athanasios Giannakopoulos, Claudiu Musat, Michael Baeriswyl

arxiv:1709.05094 v1 · 2017-09-15 · 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{MQ2SXE6OZH77KHZ777ERINWXII}

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	2026-05-18T00:35:06.721528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64352b93cec9fff51f3fffc91436d742001c643e1677a5ac89ec3a26b9847bcb

Aliases

arxiv: 1709.05094 · arxiv_version: 1709.05094v1 · doi: 10.48550/arxiv.1709.05094 · pith_short_12: MQ2SXE6OZH77 · pith_short_16: MQ2SXE6OZH77KHZ7 · pith_short_8: MQ2SXE6O

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/MQ2SXE6OZH77KHZ777ERINWXII \
  | 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: 64352b93cec9fff51f3fffc91436d742001c643e1677a5ac89ec3a26b9847bcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38c102a2668341a87b03acd5daf48ec97abc7d5d9cffac6a74c5c5ad5df9898e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-09-15T08:12:58Z",
    "title_canon_sha256": "dc719eaacead5bdf1a92d047d1da6051c8f928aec013b75cb9a4c5bb835d9605"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05094",
    "kind": "arxiv",
    "version": 1
  }
}