Pith Number

pith:GPMWHXH3

pith:2013:GPMWHXH3HXLOUOXALAPWRQNL2Q

not attested not anchored not stored refs pending

The time-dependent reconstructed evolutionary process with a key-role for mass-extinction events

Sebastian H\"ohna

arxiv:1312.2392 v3 · 2013-12-09 · 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{GPMWHXH3HXLOUOXALAPWRQNL2Q}

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	2026-05-18T02:59:20.358940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33d963dcfb3dd6ea3ae0581f68c1abd43bfdad781989599cd427be22c50b24d9

Aliases

arxiv: 1312.2392 · arxiv_version: 1312.2392v3 · doi: 10.48550/arxiv.1312.2392 · pith_short_12: GPMWHXH3HXLO · pith_short_16: GPMWHXH3HXLOUOXA · pith_short_8: GPMWHXH3

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/GPMWHXH3HXLOUOXALAPWRQNL2Q \
  | 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: 33d963dcfb3dd6ea3ae0581f68c1abd43bfdad781989599cd427be22c50b24d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "269d7de9c80d01580ac975cd7571efec78f4d6838ab59f1adcf78032616f6e1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-12-09T11:32:59Z",
    "title_canon_sha256": "07c3e2301fdb5178df7636f560f4bf6c976e062b15e4be609af55002059cae1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2392",
    "kind": "arxiv",
    "version": 3
  }
}