Pith Number

pith:EL7EQ5SY

pith:2026:EL7EQ5SY5LPVWXFBNIQ2T3S7E5

not attested not anchored not stored refs pending

A Controlled Synthetic Benchmark for Educational Aspect-Based Sentiment Analysis

Alexander Apartsin, Yehudit Aperstein

arxiv:2605.25502 v1 · 2026-05-25 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EL7EQ5SY5LPVWXFBNIQ2T3S7E5}

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	2026-05-26T02:04:39.599186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22fe487658eadf5b5ca16a21a9ee5f2754482cd32a06cec7843500b4e3a20de4

Aliases

arxiv: 2605.25502 · arxiv_version: 2605.25502v1 · doi: 10.48550/arxiv.2605.25502 · pith_short_12: EL7EQ5SY5LPV · pith_short_16: EL7EQ5SY5LPVWXFB · pith_short_8: EL7EQ5SY

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/EL7EQ5SY5LPVWXFBNIQ2T3S7E5 \
  | 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: 22fe487658eadf5b5ca16a21a9ee5f2754482cd32a06cec7843500b4e3a20de4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c2a295e90ec162a8955494005dfb6985c132bf26892e1c5258bf9721b532bbd",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-25T07:05:21Z",
    "title_canon_sha256": "e51576dcc3fe65773c688abae5d1796f58176570bd2a4ccf7689c7564caa589b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25502",
    "kind": "arxiv",
    "version": 1
  }
}