Pith Number

pith:XD7YHCDK

pith:2010:XD7YHCDKPXLNLFKYYW76NRSUUO

not attested not anchored not stored refs pending

Optimality of the Neighbor Joining Algorithm and Faces of the Balanced Minimum Evolution Polytope

David C. Haws, Ruriko Yoshida, Terrell Hodge

arxiv:1004.2073 v2 · 2010-04-12 · q-bio.PE · 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{XD7YHCDKPXLNLFKYYW76NRSUUO}

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	2026-05-18T02:24:16.766633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8ff83886a7dd6d59558c5bfe6c654a393c461c02f78c9296dcc8f13508d65b0

Aliases

arxiv: 1004.2073 · arxiv_version: 1004.2073v2 · doi: 10.48550/arxiv.1004.2073 · pith_short_12: XD7YHCDKPXLN · pith_short_16: XD7YHCDKPXLNLFKY · pith_short_8: XD7YHCDK

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/XD7YHCDKPXLNLFKYYW76NRSUUO \
  | 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: b8ff83886a7dd6d59558c5bfe6c654a393c461c02f78c9296dcc8f13508d65b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5d1499e7237817d7f0f342c7be68898b94cd64380081422c56bdbb71d8e0eb7",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2010-04-12T22:26:03Z",
    "title_canon_sha256": "98bbab0022c3446af77577cdb1665c0a07ccceb204a8aaf8f42f18acbdaa727d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2073",
    "kind": "arxiv",
    "version": 2
  }
}