Pith Number

pith:PBX43N43

pith:2018:PBX43N43BS6DVWYSRLPEEIOM55

not attested not anchored not stored refs pending

Quantifying the accuracy of ancestral state prediction in a phylogenetic tree under maximum parsimony

Lina Herbst, Mike Steel, Thomas Li

arxiv:1805.00548 v1 · 2018-05-01 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PBX43N43BS6DVWYSRLPEEIOM55}

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	2026-05-18T00:16:58.575978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

786fcdb79b0cbc3adb128ade4221ccef6e1da923fa5c9e318d1420a8207ad1b3

Aliases

arxiv: 1805.00548 · arxiv_version: 1805.00548v1 · doi: 10.48550/arxiv.1805.00548 · pith_short_12: PBX43N43BS6D · pith_short_16: PBX43N43BS6DVWYS · pith_short_8: PBX43N43

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/PBX43N43BS6DVWYSRLPEEIOM55 \
  | 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: 786fcdb79b0cbc3adb128ade4221ccef6e1da923fa5c9e318d1420a8207ad1b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdf65941261a5a95c81f2150d91b31e83c1175f60ff92b8df6ce2a41af6e070d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-05-01T20:50:52Z",
    "title_canon_sha256": "2214a6c13421f59ee9a10480ed20c2b117cc877ebeedcdc8bed7ebf419415354"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00548",
    "kind": "arxiv",
    "version": 1
  }
}