Pith Number

pith:QHLFUCYI

pith:2015:QHLFUCYIUNY5H3YMT4S4Z2NMC4

not attested not anchored not stored refs pending

Assortment and the evolution of cooperation in a Moran process with exponential fitness

Benjamin Allen, Carl Veller, Daniel Cooney

arxiv:1509.05757 v2 · 2015-09-18 · 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{QHLFUCYIUNY5H3YMT4S4Z2NMC4}

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	2026-05-18T01:17:12.683259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81d65a0b08a371d3ef0c9f25cce9ac1701f83f256987bbe2a0d46bef4f2c185d

Aliases

arxiv: 1509.05757 · arxiv_version: 1509.05757v2 · doi: 10.48550/arxiv.1509.05757 · pith_short_12: QHLFUCYIUNY5 · pith_short_16: QHLFUCYIUNY5H3YM · pith_short_8: QHLFUCYI

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/QHLFUCYIUNY5H3YMT4S4Z2NMC4 \
  | 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: 81d65a0b08a371d3ef0c9f25cce9ac1701f83f256987bbe2a0d46bef4f2c185d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00e4628b9a34850985cb2250ada682778016d4bdcaddf2f2a809a2cb6fda7e00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-09-18T19:42:44Z",
    "title_canon_sha256": "02a14f318dd5d6857614238c20a4b77b832f16c7470d7191bc03ec9a95399e0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05757",
    "kind": "arxiv",
    "version": 2
  }
}