Pith Number

pith:SQ3B6TTL

pith:2016:SQ3B6TTLTEOKSVPGUZE2DGC5OB

not attested not anchored not stored refs pending

Efficiently Inferring Pairwise Subtree Prune-and-Regraft Adjacencies between Phylogenetic Trees

Chris Whidden, Frederick A. Matsen IV

arxiv:1606.08893 v3 · 2016-06-28 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQ3B6TTLTEOKSVPGUZE2DGC5OB}

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	2026-05-18T00:45:30.507624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94361f4e6b991ca955e6a649a1985d7047d42f98af7673d910b1c8b57477856a

Aliases

arxiv: 1606.08893 · arxiv_version: 1606.08893v3 · doi: 10.48550/arxiv.1606.08893 · pith_short_12: SQ3B6TTLTEOK · pith_short_16: SQ3B6TTLTEOKSVPG · pith_short_8: SQ3B6TTL

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/SQ3B6TTLTEOKSVPGUZE2DGC5OB \
  | 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: 94361f4e6b991ca955e6a649a1985d7047d42f98af7673d910b1c8b57477856a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7702f4ff114936bdd483a7c0e28f3e40fc2473217d269cd0d9d337e40f642790",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-06-28T21:23:04Z",
    "title_canon_sha256": "89ff65d7d693ac1fa8b0bdb2523f0c421315dd483bb73ec37a894598528342c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.08893",
    "kind": "arxiv",
    "version": 3
  }
}