Pith Number

pith:KZD7FDJ4

pith:2026:KZD7FDJ424F455JZJSS3WMGOQ3

not attested not anchored not stored refs pending

Experimental Evidence on the Learning Impact of Generative AI

Germ\'an Reyes, Zara Contractor

arxiv:2607.08849 v1 · 2026-07-09 · econ.GN · cs.HC · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZD7FDJ424F455JZJSS3WMGOQ3}

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	2026-07-13T00:17:21.908229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5647f28d3cd70bcef5394ca5bb30ce86c97cb65ce760e6f0f02e4aa3e5012b92

Aliases

arxiv: 2607.08849 · arxiv_version: 2607.08849v1 · doi: 10.48550/arxiv.2607.08849 · pith_short_12: KZD7FDJ424F4 · pith_short_16: KZD7FDJ424F455JZ · pith_short_8: KZD7FDJ4

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/KZD7FDJ424F455JZJSS3WMGOQ3 \
  | 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: 5647f28d3cd70bcef5394ca5bb30ce86c97cb65ce760e6f0f02e4aa3e5012b92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0a73e0a6bfde12e96f0e10c15bdf022ef71de014c8acb2dd0b53bd78606fea7",
    "cross_cats_sorted": [
      "cs.HC",
      "q-fin.EC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2026-07-09T18:15:08Z",
    "title_canon_sha256": "cab637633cb463a74cb60a3c16675eac95ae8f23470e78d8057ffd036ba6afcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08849",
    "kind": "arxiv",
    "version": 1
  }
}