Pith Number

pith:VI2H5IXY

pith:2016:VI2H5IXY7OI7N67UWPESFVBL4I

not attested not anchored not stored refs pending

The evolution of conditional moral assessment in indirect reciprocity

Isamu Okada, Tatsuya Sasaki, Yutaka Nakai

arxiv:1605.02166 v2 · 2016-05-07 · q-bio.PE · cs.SI · nlin.AO · 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{VI2H5IXY7OI7N67UWPESFVBL4I}

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	2026-05-18T00:51:25.669647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa347ea2f8fb91f6fbf4b3c922d42be210b6445000f58776c8582378b4d4d333

Aliases

arxiv: 1605.02166 · arxiv_version: 1605.02166v2 · doi: 10.48550/arxiv.1605.02166 · pith_short_12: VI2H5IXY7OI7 · pith_short_16: VI2H5IXY7OI7N67U · pith_short_8: VI2H5IXY

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/VI2H5IXY7OI7N67UWPESFVBL4I \
  | 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: aa347ea2f8fb91f6fbf4b3c922d42be210b6445000f58776c8582378b4d4d333

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a9047f0007fd80367777325402340e614088dba529737126e6667252a2e93f6",
    "cross_cats_sorted": [
      "cs.SI",
      "nlin.AO",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2016-05-07T10:28:53Z",
    "title_canon_sha256": "d4ada05f0bd647d37291ac6a991618920cbab66c474027c0eebcd72031bb292c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02166",
    "kind": "arxiv",
    "version": 2
  }
}