Pith Number

pith:EHL2HCOC

pith:2025:EHL2HCOCFUED63ZC34TDIHBRHO

not attested not anchored not stored refs pending

Sentiment Analysis Tools in Software Engineering: A Systematic Mapping Study

Alexander Specht, Jil Kl\"under, Lukas Nagel, Martin Obaidi

arxiv:2502.07893 v1 · 2025-02-11 · 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{EHL2HCOCFUED63ZC34TDIHBRHO}

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	2026-07-05T10:13:11.617137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21d7a389c22d083f6f22df26341c313baf996cc528c6127bc9890bc470fb4ac4

Aliases

arxiv: 2502.07893 · arxiv_version: 2502.07893v1 · doi: 10.48550/arxiv.2502.07893 · pith_short_12: EHL2HCOCFUED · pith_short_16: EHL2HCOCFUED63ZC · pith_short_8: EHL2HCOC

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/EHL2HCOCFUED63ZC34TDIHBRHO \
  | 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: 21d7a389c22d083f6f22df26341c313baf996cc528c6127bc9890bc470fb4ac4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "904250c9fc5d773db4aaa1c2b5159fda65f3beacd3fe4f1a2f49f080812e5c7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-02-11T19:02:25Z",
    "title_canon_sha256": "9c67154e1e8260b69568cddb85634ed55d4e3b67cbd7e7933f45f53377de1018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.07893",
    "kind": "arxiv",
    "version": 1
  }
}