Pith Number

pith:FAJE3CCP

pith:2018:FAJE3CCPAIQ3CYNBFXWEECHFZC

not attested not anchored not stored refs pending

A balance index for phylogenetic trees based on rooted quartets

Arnau Mir, Francesc Rossell\'o, Gabriel Valiente, Tom\'as M. Coronado

arxiv:1803.01651 v2 · 2018-03-05 · 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{FAJE3CCPAIQ3CYNBFXWEECHFZC}

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	2026-05-17T23:50:42.788066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28124d884f0221b161a12dec4208e5c89a36a761a860a4cdf59daf2b866ef544

Aliases

arxiv: 1803.01651 · arxiv_version: 1803.01651v2 · doi: 10.48550/arxiv.1803.01651 · pith_short_12: FAJE3CCPAIQ3 · pith_short_16: FAJE3CCPAIQ3CYNB · pith_short_8: FAJE3CCP

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/FAJE3CCPAIQ3CYNBFXWEECHFZC \
  | 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: 28124d884f0221b161a12dec4208e5c89a36a761a860a4cdf59daf2b866ef544

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0b38fe764db23ee2a6ea18b26ba4a702e77dd3814e7516f3d5335843000016c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-03-05T13:22:20Z",
    "title_canon_sha256": "aba330e1f21b50a8e4e35a71da01ac5305c81efdc11e2aa34b09778a95aa305c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01651",
    "kind": "arxiv",
    "version": 2
  }
}