Pith Number

pith:NNKIFUCT

pith:2014:NNKIFUCT7WVOFNNSXI65NR4RTB

not attested not anchored not stored refs pending

Detecting patterns of species diversification in the presence of both rate shifts and mass extinctions

Marc Robinson-Rechavi, Nicolas Salamin, Sacha Laurent

arxiv:1404.5441 v3 · 2014-04-22 · 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{NNKIFUCT7WVOFNNSXI65NR4RTB}

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	2026-05-18T01:34:35.701234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b5482d053fdaae2b5b2ba3dd6c79198529dd5bc618eec4b9c93d4e7061384b4

Aliases

arxiv: 1404.5441 · arxiv_version: 1404.5441v3 · doi: 10.48550/arxiv.1404.5441 · pith_short_12: NNKIFUCT7WVO · pith_short_16: NNKIFUCT7WVOFNNS · pith_short_8: NNKIFUCT

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/NNKIFUCT7WVOFNNSXI65NR4RTB \
  | 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: 6b5482d053fdaae2b5b2ba3dd6c79198529dd5bc618eec4b9c93d4e7061384b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfb23108017eb27fbd5393277794f7b26b3d528a86139ab445e4345bc1385e05",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-04-22T09:55:12Z",
    "title_canon_sha256": "e343b254b202d020736dc30160f317f9e1bb1bcd233cf0fa375f0724a22fee57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5441",
    "kind": "arxiv",
    "version": 3
  }
}