Pith Number

pith:ULWKNBF2

pith:2026:ULWKNBF2MSMXVUIXQBAPNBPSCH

not attested not anchored not stored refs pending

The fitness landscape of social norms in social dilemmas

Maximilian Puelma Touzel

arxiv:2605.18834 v1 · 2026-05-13 · cs.GT · cs.MA · cs.SI · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULWKNBF2MSMXVUIXQBAPNBPSCH}

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	2026-05-20T00:06:24.964729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2eca684ba64997ad1178040f685f211de9a32534cb831620de8cb8a71ef338a

Aliases

arxiv: 2605.18834 · arxiv_version: 2605.18834v1 · doi: 10.48550/arxiv.2605.18834 · pith_short_12: ULWKNBF2MSMX · pith_short_16: ULWKNBF2MSMXVUIX · pith_short_8: ULWKNBF2

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/ULWKNBF2MSMXVUIXQBAPNBPSCH \
  | 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: a2eca684ba64997ad1178040f685f211de9a32534cb831620de8cb8a71ef338a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "811e87469aaf27d598c9cd9b2a1f7d247d3068fcde555194338bfcc0dc23dbe6",
    "cross_cats_sorted": [
      "cs.MA",
      "cs.SI",
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2026-05-13T01:01:35Z",
    "title_canon_sha256": "27393d239203be557cf2ce73f9216eab5aac46d1370848da8ea6c74be96ceba7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18834",
    "kind": "arxiv",
    "version": 1
  }
}