Pith Number

pith:KSBX6NVI

pith:2015:KSBX6NVIVPQMY5XIHWRCFY5EZY

not attested not anchored not stored refs pending

Dynamic instability of cooperation due to diverse activity patterns in evolutionary social dilemmas

Cheng-Yi Xia, Matjaz Perc, Sandro Meloni, Yamir Moreno

arxiv:1502.07724 v1 · 2015-02-26 · physics.soc-ph · nlin.AO · 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{KSBX6NVIVPQMY5XIHWRCFY5EZY}

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	2026-05-18T02:25:19.639584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54837f36a8abe0cc76e83da222e3a4ce11a73e7c57ef5386a58dc9fb89f9c138

Aliases

arxiv: 1502.07724 · arxiv_version: 1502.07724v1 · doi: 10.48550/arxiv.1502.07724 · pith_short_12: KSBX6NVIVPQM · pith_short_16: KSBX6NVIVPQMY5XI · pith_short_8: KSBX6NVI

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/KSBX6NVIVPQMY5XIHWRCFY5EZY \
  | 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: 54837f36a8abe0cc76e83da222e3a4ce11a73e7c57ef5386a58dc9fb89f9c138

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ada1e93a053fedbe9120f5a7c643a31ba08c42c27272952d042e7b5d9d611690",
    "cross_cats_sorted": [
      "nlin.AO",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-02-26T20:38:33Z",
    "title_canon_sha256": "3859cedf44567ae454834d855a4e5115dad8522461c2bcb6bb421a69301f45d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07724",
    "kind": "arxiv",
    "version": 1
  }
}