Pith Number

pith:QWZVFU6X

pith:2026:QWZVFU6XVDOMQCGRF4XIF25XOD

not attested not anchored not stored refs pending

How Much Human Label Variation Does Formal Semantic Structure Explain?: Group-Level Effects and Item-Level Ceilings in NLI

Haram Choi (University of Bremen)

arxiv:2607.15870 v1 · 2026-07-17 · 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{QWZVFU6XVDOMQCGRF4XIF25XOD}

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	2026-07-20T01:19:14.669420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85b352d3d7a8dcc808d12f2e82ebb770f3d015609915be97d24dc1cbe72f9f8b

Aliases

arxiv: 2607.15870 · arxiv_version: 2607.15870v1 · doi: 10.48550/arxiv.2607.15870 · pith_short_12: QWZVFU6XVDOM · pith_short_16: QWZVFU6XVDOMQCGR · pith_short_8: QWZVFU6X

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/QWZVFU6XVDOMQCGRF4XIF25XOD \
  | 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: 85b352d3d7a8dcc808d12f2e82ebb770f3d015609915be97d24dc1cbe72f9f8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4575b32f92c44e0c82de449e461936d578d3995943bd9982330075a8e5c8d25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-17T11:34:30Z",
    "title_canon_sha256": "eeb2c3858a95b2f9bdb5794b17cc50dd2bd591a74a79d87eb04489ae945c02c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.15870",
    "kind": "arxiv",
    "version": 1
  }
}