Pith Number

pith:OIHZ6GM4

pith:2014:OIHZ6GM4SPG44LRPG4HURW6HRZ

not attested not anchored not stored refs pending

On the complexity of computing MP distance between binary phylogenetic trees

Mareike Fischer, Steven Kelk

arxiv:1412.4076 v2 · 2014-12-12 · q-bio.PE · cs.CE · 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{OIHZ6GM4SPG44LRPG4HURW6HRZ}

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	2026-05-18T02:29:10.205668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

720f9f199c93cdce2e2f370f48dbc78e63ef39095ebc9e97dcdce73718e238b0

Aliases

arxiv: 1412.4076 · arxiv_version: 1412.4076v2 · doi: 10.48550/arxiv.1412.4076 · pith_short_12: OIHZ6GM4SPG4 · pith_short_16: OIHZ6GM4SPG44LRP · pith_short_8: OIHZ6GM4

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/OIHZ6GM4SPG44LRPG4HURW6HRZ \
  | 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: 720f9f199c93cdce2e2f370f48dbc78e63ef39095ebc9e97dcdce73718e238b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d883da7d86bc33bd42c041dbbb406f7d2531ab2acd3f994e2c649f656604d74e",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.DS",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-12-12T18:24:35Z",
    "title_canon_sha256": "8ecf6d6894deecb3832565fee0396a3076066caf73a14606fff177b117633754"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4076",
    "kind": "arxiv",
    "version": 2
  }
}