Pith Number

pith:MTGR2A5E

pith:2026:MTGR2A5EOR6C3TTMQQFIY5WV5Q

not attested not anchored not stored refs pending

Group Selection Promotes Prosocial Prompts in Populations of LLM Agents

Aron Vallinder, Edward Eichhorn, Edward Hughes, Iyad Rahwan, Levin Brinkmann, Luis Celiktemel, Robin Schimmelpfennig, Yaomin Jiang

arxiv:2606.23343 v1 · 2026-06-22 · 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{MTGR2A5EOR6C3TTMQQFIY5WV5Q}

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	2026-06-23T03:14:17.323072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64cd1d03a4747c2dce6c840a8c76d5ec376c73005e5bef4d04e7f0cc7309e5cd

Aliases

arxiv: 2606.23343 · arxiv_version: 2606.23343v1 · doi: 10.48550/arxiv.2606.23343 · pith_short_12: MTGR2A5EOR6C · pith_short_16: MTGR2A5EOR6C3TTM · pith_short_8: MTGR2A5E

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/MTGR2A5EOR6C3TTMQQFIY5WV5Q \
  | 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: 64cd1d03a4747c2dce6c840a8c76d5ec376c73005e5bef4d04e7f0cc7309e5cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99a7f86b1e4291125b836eddbc5c301ea0582d12b9536a3721e3f393e2c57de1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2026-06-22T13:47:19Z",
    "title_canon_sha256": "dff2ef4b617532b661782ba50bc7120546a7f69c72649bbf928c7cb5dc439d45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23343",
    "kind": "arxiv",
    "version": 1
  }
}