Pith Number

pith:YEOB7NJ5

pith:2025:YEOB7NJ56ZPNBO5XTTMHSBOOXF

not attested not anchored not stored refs pending

Beyond Agreement: Rethinking Ground Truth in Educational AI Annotation

Conrad Borchers, Danielle R. Thomas, Kenneth R. Koedinger

arxiv:2508.00143 v1 · 2025-07-31 · cs.AI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YEOB7NJ56ZPNBO5XTTMHSBOOXF}

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.

Cited by

1 paper in Pith

Data Annotation as Measurement

Receipt and verification

First computed	2026-07-05T11:46:49.778400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c11c1fb53df65ed0bbb79cd87905ceb9541559d0540edaaa355255e9df9c139f

Aliases

arxiv: 2508.00143 · arxiv_version: 2508.00143v1 · doi: 10.48550/arxiv.2508.00143 · pith_short_12: YEOB7NJ56ZPN · pith_short_16: YEOB7NJ56ZPNBO5X · pith_short_8: YEOB7NJ5

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/YEOB7NJ56ZPNBO5XTTMHSBOOXF \
  | 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: c11c1fb53df65ed0bbb79cd87905ceb9541559d0540edaaa355255e9df9c139f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "072153be55e044246d9fb44f5b49ce404d56e3ab1157d8118b702c3fc4303307",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-07-31T20:05:26Z",
    "title_canon_sha256": "f16211d3d66106e06569d579dce6bd9640024c5dcdde86ecff421737f722355a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.00143",
    "kind": "arxiv",
    "version": 1
  }
}