Pith Number

pith:QUZ54ZDU

pith:2009:QUZ54ZDUIMVTOWF2DJJABLFIQ2

not attested not anchored not stored refs pending

A Note on Encodings of Phylogenetic Networks of Bounded Level

Katharina T. Huber, Philippe Gambette

arxiv:0906.4324 v1 · 2009-06-23 · math.CO · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QUZ54ZDUIMVTOWF2DJJABLFIQ2}

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	2026-05-18T01:03:31.403877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8533de6474432b3758ba1a5200aca8869f0f9e7a17d9170d322fbf28d782ad64

Aliases

arxiv: 0906.4324 · arxiv_version: 0906.4324v1 · doi: 10.48550/arxiv.0906.4324 · pith_short_12: QUZ54ZDUIMVT · pith_short_16: QUZ54ZDUIMVTOWF2 · pith_short_8: QUZ54ZDU

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/QUZ54ZDUIMVTOWF2DJJABLFIQ2 \
  | 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: 8533de6474432b3758ba1a5200aca8869f0f9e7a17d9170d322fbf28d782ad64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6c45d6334e100740a9201cd385dc8b68374cd035ac1988e5e9c197ba9059749",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-06-23T17:57:15Z",
    "title_canon_sha256": "d2ba9d3e1635e7a247ee5395fc1f114be720d92b5389e875de5bdb904f3d3e60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4324",
    "kind": "arxiv",
    "version": 1
  }
}