Pith Number

pith:XAN53SEE

pith:2015:XAN53SEESMN4JEUZPS6G7ODIKC

not attested not anchored not stored refs pending

Fast Compatibility Testing for Rooted Phylogenetic Trees

David Fern\'andez-Baca, Yun Deng

arxiv:1510.07758 v1 · 2015-10-27 · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XAN53SEESMN4JEUZPS6G7ODIKC}

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	2026-05-18T01:29:12.711145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b81bddc884931bc492997cbc6fb86850a7ed96a36601103387f488cfd8ab5a31

Aliases

arxiv: 1510.07758 · arxiv_version: 1510.07758v1 · doi: 10.48550/arxiv.1510.07758 · pith_short_12: XAN53SEESMN4 · pith_short_16: XAN53SEESMN4JEUZ · pith_short_8: XAN53SEE

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/XAN53SEESMN4JEUZPS6G7ODIKC \
  | 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: b81bddc884931bc492997cbc6fb86850a7ed96a36601103387f488cfd8ab5a31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "756daf04fff45a2ef7e91035f3120666343fe2489a84c35e0878c902dc341df7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-10-27T02:59:29Z",
    "title_canon_sha256": "eb0c9fa93ee98610f09aeacc9fcd76ce38ea6ba8f2f7a263195896ddef885de6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07758",
    "kind": "arxiv",
    "version": 1
  }
}