Pith Number

pith:QPE7AR47

pith:2010:QPE7AR47UII3DSKWPKHTOW72PI

not attested not anchored not stored refs pending

Structure and Recognition of 3,4-leaf Powers of Galled Phylogenetic Networks in Polynomial Time

Michel Habib, Thu-Hien To

arxiv:1012.4084 v4 · 2010-12-18 · cs.DM · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPE7AR47UII3DSKWPKHTOW72PI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:23:06.902523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83c9f0479fa211b1c9567a8f375bfa7a37fb894487d86e4e95d136fdc60ea50b

Aliases

arxiv: 1012.4084 · arxiv_version: 1012.4084v4 · doi: 10.48550/arxiv.1012.4084 · pith_short_12: QPE7AR47UII3 · pith_short_16: QPE7AR47UII3DSKW · pith_short_8: QPE7AR47

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/QPE7AR47UII3DSKWPKHTOW72PI \
  | 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: 83c9f0479fa211b1c9567a8f375bfa7a37fb894487d86e4e95d136fdc60ea50b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0035cd0392e2fe6b29ba62af1509ceb7c62ac2545a796737b207c88485ff7e85",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2010-12-18T12:01:38Z",
    "title_canon_sha256": "2d5c489ea71474707217ded263ab7d9de3599505fb3e339c49e8cb285d2649b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4084",
    "kind": "arxiv",
    "version": 4
  }
}