Pith Number

pith:7VXQVMSH

pith:2018:7VXQVMSHYS3VNSDX5RASPKGXP4

not attested not anchored not stored refs pending

MultiBooked: A Corpus of Basque and Catalan Hotel Reviews Annotated for Aspect-level Sentiment Classification

Jeremy Barnes, Patrik Lambert, Toni Badia

arxiv:1803.08614 v1 · 2018-03-22 · 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{7VXQVMSHYS3VNSDX5RASPKGXP4}

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	2026-05-18T00:20:19.083323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd6f0ab247c4b756c877ec4127a8d77f3f8f257c8cd1df9eb2dd7a2b2597cc66

Aliases

arxiv: 1803.08614 · arxiv_version: 1803.08614v1 · doi: 10.48550/arxiv.1803.08614 · pith_short_12: 7VXQVMSHYS3V · pith_short_16: 7VXQVMSHYS3VNSDX · pith_short_8: 7VXQVMSH

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/7VXQVMSHYS3VNSDX5RASPKGXP4 \
  | 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: fd6f0ab247c4b756c877ec4127a8d77f3f8f257c8cd1df9eb2dd7a2b2597cc66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3220d4679de76991c7825e943a7980003ab64edf0858ec611bf57c54dbcceb6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-03-22T23:46:22Z",
    "title_canon_sha256": "aefb6968b7e237f6892381a954e5ca1d5c3d584834c2fa80f33e3f328cf26ea9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08614",
    "kind": "arxiv",
    "version": 1
  }
}