Pith Number

pith:4TEX6RDB

pith:2014:4TEX6RDBJPMQGWPNYOKZREI7DR

not attested not anchored not stored refs pending

Clades and clans: a comparison study of two evolutionary models

Cuong Than, Sha Zhu, Taoyang Wu

arxiv:1407.3880 v1 · 2014-07-15 · 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{4TEX6RDBJPMQGWPNYOKZREI7DR}

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	2026-05-18T02:47:32.395820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4c97f44614bd90359edc39598911f1c76420882c40685734a1a6f22337dc21f

Aliases

arxiv: 1407.3880 · arxiv_version: 1407.3880v1 · doi: 10.48550/arxiv.1407.3880 · pith_short_12: 4TEX6RDBJPMQ · pith_short_16: 4TEX6RDBJPMQGWPN · pith_short_8: 4TEX6RDB

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/4TEX6RDBJPMQGWPNYOKZREI7DR \
  | 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: e4c97f44614bd90359edc39598911f1c76420882c40685734a1a6f22337dc21f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b859ba5e26d8c2b3df65776a2f7c135d1866ff9b99cf161009fa53b066ae9867",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-07-15T04:36:32Z",
    "title_canon_sha256": "1e74de82b94d203d664e5a0963b946cf4c00cd23f710dda0fe41a5772cac2b40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3880",
    "kind": "arxiv",
    "version": 1
  }
}