Pith Number

pith:4CGWVVAV

pith:2005:4CGWVVAVS2ERJWF2LTJTYEYP2L

not attested not anchored not stored refs pending

On the Ancestral Compatibility of Two Phylogenetic Trees with Nested Taxa

Francesc Rossello, Gabriel Valiente, Jairo Rocha, Merce Llabres

arxiv:cs/0505086 v1 · 2005-05-31 · cs.DM · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4CGWVVAVS2ERJWF2LTJTYEYP2L}

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	2026-05-18T04:08:54.177391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e08d6ad415968914d8ba5cd33c130fd2f121d5f8333c329ca6764a5855b23448

Aliases

arxiv: cs/0505086 · arxiv_version: cs/0505086v1 · doi: 10.48550/arxiv.cs/0505086 · pith_short_12: 4CGWVVAVS2ER · pith_short_16: 4CGWVVAVS2ERJWF2 · pith_short_8: 4CGWVVAV

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/4CGWVVAVS2ERJWF2LTJTYEYP2L \
  | 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: e08d6ad415968914d8ba5cd33c130fd2f121d5f8333c329ca6764a5855b23448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "622490d6ae83363bd76cd146e9d904f2b317315050ab019f1fdcbcf65764492c",
    "cross_cats_sorted": [
      "q-bio.OT"
    ],
    "license": "",
    "primary_cat": "cs.DM",
    "submitted_at": "2005-05-31T11:03:26Z",
    "title_canon_sha256": "7a81d201b5572e0210934835f484ce77568ee721f5487074a142eb24c1503e59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0505086",
    "kind": "arxiv",
    "version": 1
  }
}