Pith Number

pith:M57BELEK

pith:2015:M57BELEK2SXZQ2DYJCPX335M56

not attested not anchored not stored refs pending

Neutral dynamics with environmental noise: age-size statistics and species lifetimes

David Kessler, Marco Formentin, Nadav M. Shnerb, Samir Suweis

arxiv:1505.02888 v1 · 2015-05-12 · 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{M57BELEK2SXZQ2DYJCPX335M56}

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	2026-05-18T01:33:43.315258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

677e122c8ad4af986878489f7defacef9fe3ba170d9835dd619ceabcc1544f4f

Aliases

arxiv: 1505.02888 · arxiv_version: 1505.02888v1 · doi: 10.48550/arxiv.1505.02888 · pith_short_12: M57BELEK2SXZ · pith_short_16: M57BELEK2SXZQ2DY · pith_short_8: M57BELEK

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/M57BELEK2SXZQ2DYJCPX335M56 \
  | 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: 677e122c8ad4af986878489f7defacef9fe3ba170d9835dd619ceabcc1544f4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5d98b99a2deb0edf692ea730501b768df7bd5aa7f2e76e8b42309b09d138d5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-05-12T07:15:50Z",
    "title_canon_sha256": "5af373f9d1aead87cf0f85b2ed33f515866fb6bbf13ad9bbf9e85f7843aca990"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02888",
    "kind": "arxiv",
    "version": 1
  }
}