Pith Number

pith:SHTYK7AB

pith:2018:SHTYK7AB6KXDOYBXDYUXIWO2Y2

not attested not anchored not stored refs pending

Speciation in a MacArthur model predicts growth, stability and adaptation in ecosystems dynamics

Christian H.S. Hamster, Elena Bellavere, Joshua A. Dijksman

arxiv:1803.00487 v3 · 2018-03-01 · q-bio.PE · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SHTYK7AB6KXDOYBXDYUXIWO2Y2}

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	2026-07-05T06:28:29.060666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91e7857c01f2ae3760371e297459dac6a7ca8a39b80423f27e0234bdb7fc0e01

Aliases

arxiv: 1803.00487 · arxiv_version: 1803.00487v3 · doi: 10.48550/arxiv.1803.00487 · pith_short_12: SHTYK7AB6KXD · pith_short_16: SHTYK7AB6KXDOYBX · pith_short_8: SHTYK7AB

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/SHTYK7AB6KXDOYBXDYUXIWO2Y2 \
  | 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: 91e7857c01f2ae3760371e297459dac6a7ca8a39b80423f27e0234bdb7fc0e01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a4ca5eb58635efd2193d4d4253a9afefed9331ff6aabe2f0d93dbeb5da147a4",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-03-01T16:36:51Z",
    "title_canon_sha256": "64ff0bc00faf10abf375169f495c5b15d77ab1e5f9b29d6d93f6cde4e3ea0078"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00487",
    "kind": "arxiv",
    "version": 3
  }
}