Pith Number

pith:NX66WOSZ

pith:2014:NX66WOSZVVNO6BWXI3SJEWYDDL

not attested not anchored not stored refs pending

Axiomatic opportunities and obstacles for inferring a species tree from gene trees

Joel D. Velasco, Mike Steel

arxiv:1405.6258 v1 · 2014-05-24 · 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{NX66WOSZVVNO6BWXI3SJEWYDDL}

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	2026-05-18T02:51:07.679152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dfdeb3a59ad5aef06d746e4925b031af0b58789f3b989dbb075d9d3fc91ea3e

Aliases

arxiv: 1405.6258 · arxiv_version: 1405.6258v1 · doi: 10.48550/arxiv.1405.6258 · pith_short_12: NX66WOSZVVNO · pith_short_16: NX66WOSZVVNO6BWX · pith_short_8: NX66WOSZ

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/NX66WOSZVVNO6BWXI3SJEWYDDL \
  | 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: 6dfdeb3a59ad5aef06d746e4925b031af0b58789f3b989dbb075d9d3fc91ea3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10f697e28f307eb758082731d4004f715d1d240038076218ba18b1a6cd26d3e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-05-24T02:17:43Z",
    "title_canon_sha256": "3bce92c20fc74b7b9c021e2492872e326b9d1ef972804800ff9bfdd6bf421d3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6258",
    "kind": "arxiv",
    "version": 1
  }
}