Pith Number

pith:REHVHKNI

pith:2016:REHVHKNIYKOCSP337YJOHLATIW

not attested not anchored not stored refs pending

Evolution of favoritism and group fairness in a co-evolving three-person ultimatum game

Akira Ozawa, Hirofumi Takesue, So Morikawa

arxiv:1612.08801 v3 · 2016-12-28 · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{REHVHKNIYKOCSP337YJOHLATIW}

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	2026-05-18T00:39:47.039439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

890f53a9a8c29c293f7bfe12e3ac13459708b11fafb8d4fce3d07f357d6a50ed

Aliases

arxiv: 1612.08801 · arxiv_version: 1612.08801v3 · doi: 10.48550/arxiv.1612.08801 · pith_short_12: REHVHKNIYKOC · pith_short_16: REHVHKNIYKOCSP33 · pith_short_8: REHVHKNI

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/REHVHKNIYKOCSP337YJOHLATIW \
  | 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: 890f53a9a8c29c293f7bfe12e3ac13459708b11fafb8d4fce3d07f357d6a50ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "701d78802bd723f4abc0855e2f305d92a532c9762f6d190f999e8d081c115f3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2016-12-28T04:47:22Z",
    "title_canon_sha256": "dac69e8708f53696ae50524de0715114319100b594ab16414cfe1c882894061f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.08801",
    "kind": "arxiv",
    "version": 3
  }
}