Pith Number

pith:6RAPKFJM

pith:2018:6RAPKFJMVBAK4ZCB6JO3KS3UOJ

not attested not anchored not stored refs pending

Conservation of population size is required for self-organized criticality in evolution models

Per Arne Rikvold, Yohsuke Murase

arxiv:1808.03488 v1 · 2018-08-10 · 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{6RAPKFJMVBAK4ZCB6JO3KS3UOJ}

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	2026-05-18T00:06:11.171627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f440f5152ca840ae6441f25db54b747279cfc7dd2aa9f6815a98363c37b919d7

Aliases

arxiv: 1808.03488 · arxiv_version: 1808.03488v1 · doi: 10.48550/arxiv.1808.03488 · pith_short_12: 6RAPKFJMVBAK · pith_short_16: 6RAPKFJMVBAK4ZCB · pith_short_8: 6RAPKFJM

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/6RAPKFJMVBAK4ZCB6JO3KS3UOJ \
  | 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: f440f5152ca840ae6441f25db54b747279cfc7dd2aa9f6815a98363c37b919d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05c0cdde645c31e57319e89247216319302fdaa1d1744c6ff8b22b733771850c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-08-10T11:28:00Z",
    "title_canon_sha256": "5590a6c0c38eeaa1d35efd6e78a3e0f59c3ea32f879f674cb99d7ecda53cd368"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03488",
    "kind": "arxiv",
    "version": 1
  }
}