Pith Number

pith:EIT5KQD7

pith:2011:EIT5KQD7MC2XVVAXMN5CWRZJSV

not attested not anchored not stored refs pending

Limitation of network inhomogeneity in improving cooperation in coevolutionary dynamics

Li-Xin Zhong, Tian Qiu

arxiv:1103.1756 v2 · 2011-03-09 · physics.soc-ph · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EIT5KQD7MC2XVVAXMN5CWRZJSV}

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	2026-05-18T02:02:55.841422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2227d5407f60b57ad417637a2b4729956962001a2260935ec9febb837fc8f003

Aliases

arxiv: 1103.1756 · arxiv_version: 1103.1756v2 · doi: 10.48550/arxiv.1103.1756 · pith_short_12: EIT5KQD7MC2X · pith_short_16: EIT5KQD7MC2XVVAX · pith_short_8: EIT5KQD7

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/EIT5KQD7MC2XVVAXMN5CWRZJSV \
  | 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: 2227d5407f60b57ad417637a2b4729956962001a2260935ec9febb837fc8f003

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9b7bcd8d7531690073cac362e30aa16888651c8acc49432c521bcd9acbd2a6e",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2011-03-09T11:02:16Z",
    "title_canon_sha256": "ae83d81dcf89a560ad1ba806e04dca29f2bc3722d8b1122b29adfb8571ed0496"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1756",
    "kind": "arxiv",
    "version": 2
  }
}