Pith Number

pith:ZQP5KARD

pith:2024:ZQP5KARDUYK7A5RNWVEKMVHSG6

not attested not anchored not stored refs pending

Pairwise Rearrangement is Fixed-Parameter Tractable in the Single Cut-and-Join Model

Alexander Wiedemann, Garner Cochran, Grace Stadnyk, Heather Smith Blake, Inne Singgih, Lora Bailey, Michael Levet, Nathan Fox, Reem Mahmoud

arxiv:2402.01942 v5 · 2024-02-02 · q-bio.GN · 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{ZQP5KARDUYK7A5RNWVEKMVHSG6}

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	2026-07-05T11:11:30.923521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc1fd50223a615f0762db548a654f237978cd1d37cf316fc7563593b52b4736e

Aliases

arxiv: 2402.01942 · arxiv_version: 2402.01942v5 · doi: 10.48550/arxiv.2402.01942 · pith_short_12: ZQP5KARDUYK7 · pith_short_16: ZQP5KARDUYK7A5RN · pith_short_8: ZQP5KARD

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/ZQP5KARDUYK7A5RNWVEKMVHSG6 \
  | 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: cc1fd50223a615f0762db548a654f237978cd1d37cf316fc7563593b52b4736e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63f720622aa12eb4b3b798846ddf7caf746a0d56bda3c36688f290cbd7b7dd91",
    "cross_cats_sorted": [
      "cs.DS",
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.GN",
    "submitted_at": "2024-02-02T22:36:21Z",
    "title_canon_sha256": "a76157a42b2c6c18664b4915d66f932e254ec8fb5c2314547d630b98e2214019"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.01942",
    "kind": "arxiv",
    "version": 5
  }
}