Pith Number

pith:PP5RUHJS

pith:2017:PP5RUHJSRPGKPSLRI3KGI3HQFX

not attested not anchored not stored refs pending

A norm knockout method on indirect reciprocity to reveal indispensable norms

Hitoshi Yamamoto, Isamu Okada, Satoshi Uchida, Tatsuya Sasaki

arxiv:1703.03943 v1 · 2017-03-11 · physics.soc-ph · cs.MA · cs.NE · 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{PP5RUHJSRPGKPSLRI3KGI3HQFX}

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	2026-05-18T00:48:52.665448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bfb1a1d328bcca7c97146d4646cf02dec819cc1ed04fe94cc16b9ded4af7d45

Aliases

arxiv: 1703.03943 · arxiv_version: 1703.03943v1 · doi: 10.48550/arxiv.1703.03943 · pith_short_12: PP5RUHJSRPGK · pith_short_16: PP5RUHJSRPGKPSLR · pith_short_8: PP5RUHJS

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/PP5RUHJSRPGKPSLRI3KGI3HQFX \
  | 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: 7bfb1a1d328bcca7c97146d4646cf02dec819cc1ed04fe94cc16b9ded4af7d45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3996f6c7f1d8ea63bb859d9069b8c13c398a8920aef526d49368b1be7c0120f6",
    "cross_cats_sorted": [
      "cs.MA",
      "cs.NE",
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2017-03-11T10:29:57Z",
    "title_canon_sha256": "c24ff829d22f2dd04b9913bf5cdbf4ce2883c9df17db79a946383e122fe9f7b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03943",
    "kind": "arxiv",
    "version": 1
  }
}