Pith Number

pith:ZPIVJJTU

pith:2013:ZPIVJJTUEUEAI45OENWKJ7WXD7

not attested not anchored not stored refs pending

EM for phylogenetic topology reconstruction on non-homogeneous data

Esther Ib\'a\~nez, Marta Casanellas

arxiv:1311.5557 v2 · 2013-11-21 · 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{ZPIVJJTUEUEAI45OENWKJ7WXD7}

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	2026-05-18T02:49:31.657729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbd154a67425080473ae236ca4fed71ffad1425f1a9ad762dcc3d78ebed3e8e5

Aliases

arxiv: 1311.5557 · arxiv_version: 1311.5557v2 · doi: 10.48550/arxiv.1311.5557 · pith_short_12: ZPIVJJTUEUEA · pith_short_16: ZPIVJJTUEUEAI45O · pith_short_8: ZPIVJJTU

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/ZPIVJJTUEUEAI45OENWKJ7WXD7 \
  | 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: cbd154a67425080473ae236ca4fed71ffad1425f1a9ad762dcc3d78ebed3e8e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f468fce5748be57008fedc52ab9db7f9431cae7244d5d2ff69b7ed58da17d0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-11-21T21:11:38Z",
    "title_canon_sha256": "dc856853e5e8396865f81531127aad85b0baef782b479b0b9a16bdd349a186bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5557",
    "kind": "arxiv",
    "version": 2
  }
}