Pith Number

pith:Y7U7QXOA

pith:2011:Y7U7QXOAJAS2ZRDIVQ66DE6YS5

not attested not anchored not stored refs pending

Mathematical aspects of phylogenetic groves

Mareike Fischer

arxiv:1104.2562 v1 · 2011-04-13 · 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{Y7U7QXOAJAS2ZRDIVQ66DE6YS5}

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	2026-05-18T02:22:09.301285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7e9f85dc04825acc468ac3de193d8975ce9394cb24bae9ccc4d5075525e8ba4

Aliases

arxiv: 1104.2562 · arxiv_version: 1104.2562v1 · doi: 10.48550/arxiv.1104.2562 · pith_short_12: Y7U7QXOAJAS2 · pith_short_16: Y7U7QXOAJAS2ZRDI · pith_short_8: Y7U7QXOA

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/Y7U7QXOAJAS2ZRDIVQ66DE6YS5 \
  | 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: c7e9f85dc04825acc468ac3de193d8975ce9394cb24bae9ccc4d5075525e8ba4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "670aa2386cb53ddb7978f0ab1426be23703b5ab28c61d47235338e0a4047b24c",
    "cross_cats_sorted": [
      "cs.DS",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-04-13T17:58:47Z",
    "title_canon_sha256": "d89ed661c071f4d880ea3f02bcf9da179393ddde67ccb7eaf10ad499816fd4ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2562",
    "kind": "arxiv",
    "version": 1
  }
}