Pith Number

pith:QGCGZD64

pith:2021:QGCGZD64ZLTMCUUPXTMSQHHDQP

not attested not anchored not stored refs pending

Development and Application of Sentiment Analysis Tools in Software Engineering: A Systematic Literature Review

Jil Kl\"under, Martin Obaidi

arxiv:2105.02703 v1 · 2021-05-06 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QGCGZD64ZLTMCUUPXTMSQHHDQP}

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	2026-07-05T02:38:03.910407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81846c8fdccae6c1528fbcd9281ce383c9412fa84ffbdf94290c618443834f08

Aliases

arxiv: 2105.02703 · arxiv_version: 2105.02703v1 · doi: 10.48550/arxiv.2105.02703 · pith_short_12: QGCGZD64ZLTM · pith_short_16: QGCGZD64ZLTMCUUP · pith_short_8: QGCGZD64

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/QGCGZD64ZLTMCUUPXTMSQHHDQP \
  | 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: 81846c8fdccae6c1528fbcd9281ce383c9412fa84ffbdf94290c618443834f08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "312e9229a6388277bfa01003600f2b8538727df68db393c3f1ac84fb88d1305d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-05-06T14:18:44Z",
    "title_canon_sha256": "2827c2b9e4f81a0920c5beca454fa2e7c0df3a4c3f8c8e23b087090dcad3583f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.02703",
    "kind": "arxiv",
    "version": 1
  }
}