Pith Number

pith:MQRXGQSF

pith:2009:MQRXGQSF4645YR7WD33T2RSTOP

not attested not anchored not stored refs pending

Generalized Buneman pruning for inferring the most parsimonious multi-state phylogeny

Guy Blelloch, Navodit Misra, R. Ravi, Russell Schwartz

arxiv:0910.1830 v3 · 2009-10-09 · q-bio.PE · q-bio.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQRXGQSF4645YR7WD33T2RSTOP}

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	2026-05-18T02:11:25.002729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6423734245e7b9dc47f61ef73d465373fea0f211eec6dbbc073e819ff6581d20

Aliases

arxiv: 0910.1830 · arxiv_version: 0910.1830v3 · doi: 10.48550/arxiv.0910.1830 · pith_short_12: MQRXGQSF4645 · pith_short_16: MQRXGQSF4645YR7W · pith_short_8: MQRXGQSF

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/MQRXGQSF4645YR7WD33T2RSTOP \
  | 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: 6423734245e7b9dc47f61ef73d465373fea0f211eec6dbbc073e819ff6581d20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02b06ad9f74172eecadca411433b5893418958e933f1051b2bc66357424654f5",
    "cross_cats_sorted": [
      "q-bio.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2009-10-09T19:59:00Z",
    "title_canon_sha256": "ee59d556199893eb7d77010eab7053b1f16fb66b73941e86342b2ba6bd2f4f06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1830",
    "kind": "arxiv",
    "version": 3
  }
}