Pith Number

pith:AVF5TU4U

pith:2018:AVF5TU4UOQALFFS6QHG5K6GUDL

not attested not anchored not stored refs pending

A stochastic model for the evolution of species with random fitness

Daniela Bertacchi, Fabio Zucca, Juri Lember

arxiv:1804.07208 v2 · 2018-04-19 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AVF5TU4UOQALFFS6QHG5K6GUDL}

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	2026-05-17T23:59:39.047196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

054bd9d3947400b2965e81cdd578d41acefc04d9424a63ad31f43e3ef8501847

Aliases

arxiv: 1804.07208 · arxiv_version: 1804.07208v2 · doi: 10.48550/arxiv.1804.07208 · pith_short_12: AVF5TU4UOQAL · pith_short_16: AVF5TU4UOQALFFS6 · pith_short_8: AVF5TU4U

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/AVF5TU4UOQALFFS6QHG5K6GUDL \
  | 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: 054bd9d3947400b2965e81cdd578d41acefc04d9424a63ad31f43e3ef8501847

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3008f980e53dc948aa5fd7c83c0c9298fb31b75c16530b7c84763da748c27325",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2018-04-19T15:02:12Z",
    "title_canon_sha256": "9e87b91822b36229ec8dffbfdd26105e5fde3dd26ede68cb91da5dc4836dd018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07208",
    "kind": "arxiv",
    "version": 2
  }
}