Pith Number

pith:DHDKCJ2E

pith:2015:DHDKCJ2EGJCWQA3QX7JLKNJCC3

not attested not anchored not stored refs pending

Peer pressure: enhancement of cooperation through mutual punishment

Han-Xin Yang, Ying-Cheng Lai, Zhihai Rong, Zhi-Xi Wu

arxiv:1509.03795 v1 · 2015-09-13 · 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{DHDKCJ2EGJCWQA3QX7JLKNJCC3}

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	2026-05-18T01:32:26.478741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19c6a127443245680370bfd2b5352216c766471c877aabd238f6c2e20d4c7f15

Aliases

arxiv: 1509.03795 · arxiv_version: 1509.03795v1 · doi: 10.48550/arxiv.1509.03795 · pith_short_12: DHDKCJ2EGJCW · pith_short_16: DHDKCJ2EGJCWQA3Q · pith_short_8: DHDKCJ2E

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/DHDKCJ2EGJCWQA3QX7JLKNJCC3 \
  | 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: 19c6a127443245680370bfd2b5352216c766471c877aabd238f6c2e20d4c7f15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1116701263850f5d6eeb9196aad3776c9dd914af6cc3a7e4dee50afd09bff015",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-09-13T02:26:39Z",
    "title_canon_sha256": "cb31b4d119b8de1294f175c33c6c201da8c04ae03a0c857ff7660c6b5a2fe4bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03795",
    "kind": "arxiv",
    "version": 1
  }
}