Pith Number

pith:455IFLCB

pith:2012:455IFLCBFRUNQCK6QQ4YKRAUOI

not attested not anchored not stored refs pending

Asymptotic fitness distribution in the Bak-Sneppen model of biological evolution with four species

Eckhard Schlemm

arxiv:1207.0108 v1 · 2012-06-30 · q-bio.PE · 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{455IFLCBFRUNQCK6QQ4YKRAUOI}

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	2026-05-18T02:07:32.562131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e77a82ac412c68d8095e8439854414723cdecc9d3e07a092738b9f49a0f051c5

Aliases

arxiv: 1207.0108 · arxiv_version: 1207.0108v1 · doi: 10.48550/arxiv.1207.0108 · pith_short_12: 455IFLCBFRUN · pith_short_16: 455IFLCBFRUNQCK6 · pith_short_8: 455IFLCB

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/455IFLCBFRUNQCK6QQ4YKRAUOI \
  | 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: e77a82ac412c68d8095e8439854414723cdecc9d3e07a092738b9f49a0f051c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "249b97e9f815402ba29bdf4714c9ee5531a1f39a97517efa24bb6fca63aa16e3",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-06-30T15:18:29Z",
    "title_canon_sha256": "c57901e6c58a4a228cfaadb72f89a8434eb7dee8a7ed1be1abd7b12617b76833"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0108",
    "kind": "arxiv",
    "version": 1
  }
}