Pith Number

pith:ODPRNEFE

pith:2026:ODPRNEFEL5MGPYMQBUCPUFLCUI

not attested not anchored not stored refs pending

Fighting Fire with Fire: On the Feasibility of Protecting Exercises Against AI Cheating

Jonas Grebe, Louis Rethfeld, Marcus Rohrbach, Tobias Braun

arxiv:2608.01112 v1 · 2026-08-02 · 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{ODPRNEFEL5MGPYMQBUCPUFLCUI}

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	2026-08-04T01:56:51.785057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70df1690a45f5867e1900d04fa1562a23af718567c21a1e061168333e76afbac

Aliases

arxiv: 2608.01112 · arxiv_version: 2608.01112v1 · doi: 10.48550/arxiv.2608.01112 · pith_short_12: ODPRNEFEL5MG · pith_short_16: ODPRNEFEL5MGPYMQ · pith_short_8: ODPRNEFE

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/ODPRNEFEL5MGPYMQBUCPUFLCUI \
  | 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: 70df1690a45f5867e1900d04fa1562a23af718567c21a1e061168333e76afbac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe12893750968fded6e2398c80f1b2f63d464cd0899c67a0e920853fe7e8449b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-02T09:16:21Z",
    "title_canon_sha256": "90009923171c0f883fb022137d0215c53f3adfef7817713ac47fd8d4411cd7ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.01112",
    "kind": "arxiv",
    "version": 1
  }
}