Pith Number

pith:XJZFM65U

pith:2018:XJZFM65UVXC32LHDS5TO7VXQRY

not attested not anchored not stored refs pending

Optimal Sequence Length Requirements for Phylogenetic Tree Reconstruction with Indels

Arun Ganesh, Qiuyi Zhang

arxiv:1811.01121 v3 · 2018-11-02 · cs.DS · math.PR · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XJZFM65UVXC32LHDS5TO7VXQRY}

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	2026-05-17T23:53:04.357823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba72567bb4adc5bd2ce39766efd6f08e28f2cb8a71036f8194c5cefcec299e66

Aliases

arxiv: 1811.01121 · arxiv_version: 1811.01121v3 · doi: 10.48550/arxiv.1811.01121 · pith_short_12: XJZFM65UVXC3 · pith_short_16: XJZFM65UVXC32LHD · pith_short_8: XJZFM65U

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/XJZFM65UVXC32LHDS5TO7VXQRY \
  | 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: ba72567bb4adc5bd2ce39766efd6f08e28f2cb8a71036f8194c5cefcec299e66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87364bdf14b855dec7b95fa6c1f4824ad2237216fca8fc0750a242b216a504bd",
    "cross_cats_sorted": [
      "math.PR",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-11-02T23:17:17Z",
    "title_canon_sha256": "8b0cd593eac6cae339213bbab20486ab065527bebb5a70b941a3feaefbb9c4b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01121",
    "kind": "arxiv",
    "version": 3
  }
}