Pith Number

pith:X5UJVYV3

pith:2017:X5UJVYV33MBN6LWF7GKOTSQM6M

not attested not anchored not stored refs pending

Non-equilibrium evolution of volatility in origination and extinction explains fat-tailed fluctuations in Phanerozoic biodiversity

Andrew J. Rominger, Miguel A. Fuentes, Pablo Marquet

arxiv:1707.09268 v3 · 2017-07-28 · 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{X5UJVYV33MBN6LWF7GKOTSQM6M}

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	2026-05-17T23:46:31.035855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf689ae2bbdb02df2ec5f994e9ca0cf32f6e58a57f60bf43a568783455e17279

Aliases

arxiv: 1707.09268 · arxiv_version: 1707.09268v3 · doi: 10.48550/arxiv.1707.09268 · pith_short_12: X5UJVYV33MBN · pith_short_16: X5UJVYV33MBN6LWF · pith_short_8: X5UJVYV3

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/X5UJVYV33MBN6LWF7GKOTSQM6M \
  | 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: bf689ae2bbdb02df2ec5f994e9ca0cf32f6e58a57f60bf43a568783455e17279

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fba3ba8f559d9c30820745134903edb6c8c8c634f5765faeca7d66ae6459540",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2017-07-28T14:54:45Z",
    "title_canon_sha256": "9f57bdccc675355d0b675919f95251e47c844d3a52afc7eeac7480f9a303d979"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09268",
    "kind": "arxiv",
    "version": 3
  }
}