Pith Number

pith:MATA2LD5

pith:2018:MATA2LD55K63D2MBOQGJA23TVU

not attested not anchored not stored refs pending

On the uniqueness of the maximum parsimony tree for data with up to two substitutions: an extension of the classic Buneman theorem in phylogenetics

Mareike Fischer

arxiv:1808.07098 v2 · 2018-08-21 · 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{MATA2LD55K63D2MBOQGJA23TVU}

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	2026-05-17T23:50:44.960905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60260d2c7deabdb1e981740c906b73ad0d07a8d1c8138cd8a828f4f4c198c124

Aliases

arxiv: 1808.07098 · arxiv_version: 1808.07098v2 · doi: 10.48550/arxiv.1808.07098 · pith_short_12: MATA2LD55K63 · pith_short_16: MATA2LD55K63D2MB · pith_short_8: MATA2LD5

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/MATA2LD55K63D2MBOQGJA23TVU \
  | 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: 60260d2c7deabdb1e981740c906b73ad0d07a8d1c8138cd8a828f4f4c198c124

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4810ec8283cb3047bb18c09f8413f51f0e5631f731ff49ae2d23468756ac0633",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-08-21T19:31:54Z",
    "title_canon_sha256": "81d67d332b292b0d5bba8233d6e69dfeda1c4a2b0296b310f0eea8abd5410b19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07098",
    "kind": "arxiv",
    "version": 2
  }
}