Pith Number

pith:XDPVQHXZ

pith:2018:XDPVQHXZNDLHU3J5OVFRA7UUVY

not attested not anchored not stored refs pending

The complexity of comparing multiply-labelled trees by extending phylogenetic-tree metrics

Katharina T. Huber, Manuel Lafond, Nadia El-Mabrouk, Vincent Moulton

arxiv:1803.05866 v1 · 2018-03-15 · q-bio.PE · cs.DS · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XDPVQHXZNDLHU3J5OVFRA7UUVY}

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	2026-05-18T00:20:54.488655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8df581ef968d67a6d3d754b107e94ae198d1ed22f159e6092cbb857090e6f39

Aliases

arxiv: 1803.05866 · arxiv_version: 1803.05866v1 · doi: 10.48550/arxiv.1803.05866 · pith_short_12: XDPVQHXZNDLH · pith_short_16: XDPVQHXZNDLHU3J5 · pith_short_8: XDPVQHXZ

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/XDPVQHXZNDLHU3J5OVFRA7UUVY \
  | 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: b8df581ef968d67a6d3d754b107e94ae198d1ed22f159e6092cbb857090e6f39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f16867056d8572c3387c9af2b6333d80117723b555f85e649fb450d35973d06c",
    "cross_cats_sorted": [
      "cs.DS",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-03-15T17:00:24Z",
    "title_canon_sha256": "5f4c26a7d53acfd7c25d107e0296d11f942028af65f19665bdcf8490bbfd159f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05866",
    "kind": "arxiv",
    "version": 1
  }
}