Pith Number

pith:BWRU2PZW

pith:2018:BWRU2PZWMGZ6BGB4BEDTPH2HBH

not attested not anchored not stored refs pending

The Impact of Annotation Guidelines and Annotated Data on Extracting App Features from App Reviews

Dietmar Pfahl, Faiz Ali Shah, Kairit Sirts

arxiv:1810.05187 v1 · 2018-10-11 · cs.IR · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BWRU2PZWMGZ6BGB4BEDTPH2HBH}

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	2026-05-18T00:03:31.370678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0da34d3f3661b3e0983c0907379f4709ccc50567dc6540ff3a9ab7bb88101b9b

Aliases

arxiv: 1810.05187 · arxiv_version: 1810.05187v1 · doi: 10.48550/arxiv.1810.05187 · pith_short_12: BWRU2PZWMGZ6 · pith_short_16: BWRU2PZWMGZ6BGB4 · pith_short_8: BWRU2PZW

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/BWRU2PZWMGZ6BGB4BEDTPH2HBH \
  | 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: 0da34d3f3661b3e0983c0907379f4709ccc50567dc6540ff3a9ab7bb88101b9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7927d81adad9ea65691695f13504774d2d4b3e25d0c502e18fef8405ab2329ae",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-10-11T18:07:14Z",
    "title_canon_sha256": "d36973599ccf0d8f4bf9620e099d1a34f664bb95d3bca53431167a6761177713"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05187",
    "kind": "arxiv",
    "version": 1
  }
}