Pith Number

pith:H2OS6GO5

pith:2011:H2OS6GO54J2HHGTV7JIPXSAH6X

not attested not anchored not stored refs pending

Constructing minimal phylogenetic networks from softwired clusters is fixed parameter tractable

Celine Scornavacca, Steven Kelk

arxiv:1108.3653 v1 · 2011-08-18 · cs.CC · 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{H2OS6GO54J2HHGTV7JIPXSAH6X}

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	2026-05-18T04:15:15.466390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e9d2f19dde274739a75fa50fbc807f5e737685c0529a7597e417fba0b326462

Aliases

arxiv: 1108.3653 · arxiv_version: 1108.3653v1 · doi: 10.48550/arxiv.1108.3653 · pith_short_12: H2OS6GO54J2H · pith_short_16: H2OS6GO54J2HHGTV · pith_short_8: H2OS6GO5

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/H2OS6GO54J2HHGTV7JIPXSAH6X \
  | 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: 3e9d2f19dde274739a75fa50fbc807f5e737685c0529a7597e417fba0b326462

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cba51b46ade0ef9085842c2343b9a2c3b50b96f1839867b818c228ac1eae73fb",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2011-08-18T06:09:20Z",
    "title_canon_sha256": "29c1fb45822b37fb285cf94bc1cca30936fb5a7a7694e698a728661e0b85a1cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3653",
    "kind": "arxiv",
    "version": 1
  }
}