Pith Number

pith:RYCPY2IU

pith:2026:RYCPY2IUTU33N4YGXXCY2XOOE7

not attested not anchored not stored refs pending

Group Selection as a Safeguard Against AI Substitution

Iyad Rahwan, Julian Garcia, Qiankun Zhong, Thomas F. Eisenmann

arxiv:2602.03541 v2 · 2026-02-03 · cs.AI · econ.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RYCPY2IUTU33N4YGXXCY2XOOE7}

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	2026-08-04T02:40:04.199790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e04fc69149d37b6f306bdc58d5dce27d9ddd9243f35f06394206fb8589f4627

Aliases

arxiv: 2602.03541 · arxiv_version: 2602.03541v2 · doi: 10.48550/arxiv.2602.03541 · pith_short_12: RYCPY2IUTU33 · pith_short_16: RYCPY2IUTU33N4YG · pith_short_8: RYCPY2IU

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/RYCPY2IUTU33N4YGXXCY2XOOE7 \
  | 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: 8e04fc69149d37b6f306bdc58d5dce27d9ddd9243f35f06394206fb8589f4627

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "533e8c91fc7547e80d99031c095500f319602be280979a859b64ec1d70570883",
    "cross_cats_sorted": [
      "econ.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-02-03T13:56:47Z",
    "title_canon_sha256": "c8634c0da924a3b3d18340bdb8744355da54ad5ebded6b8e194695fafacea270"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.03541",
    "kind": "arxiv",
    "version": 2
  }
}