Pith Number

pith:SQ7YW5YD

pith:2011:SQ7YW5YDP4CWN7RBTLJBNLK7BU

not attested not anchored not stored refs pending

On the graph labellings arising from phylogenetics

Jaros{\l}aw Buczy\'nski, Kaie Kubjas, Mateusz Micha{\l}ek, Weronika Buczy\'nska

arxiv:1105.5382 v2 · 2011-05-26 · math.CO · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQ7YW5YDP4CWN7RBTLJBNLK7BU}

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	2026-05-18T01:14:36.466848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

943f8b77037f0566fe219ad216ad5f0d07fb33c924a9c7014c8dd7446c385e57

Aliases

arxiv: 1105.5382 · arxiv_version: 1105.5382v2 · doi: 10.48550/arxiv.1105.5382 · pith_short_12: SQ7YW5YDP4CW · pith_short_16: SQ7YW5YDP4CWN7RB · pith_short_8: SQ7YW5YD

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/SQ7YW5YDP4CWN7RBTLJBNLK7BU \
  | 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: 943f8b77037f0566fe219ad216ad5f0d07fb33c924a9c7014c8dd7446c385e57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db9ac5d0e8cfe3114f70b3bed187c97221157e77f63009bbddeb1cc9f6a88324",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-05-26T19:35:28Z",
    "title_canon_sha256": "976dc71bea2c297af96c0f22062c7b86fa04638cec555263fd4f2519dcd2bb6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5382",
    "kind": "arxiv",
    "version": 2
  }
}