Pith Number

pith:WXEJ7BXK

pith:2017:WXEJ7BXKZN6WVHD4DHVTOJXZQZ

not attested not anchored not stored refs pending

On the information content of discrete phylogenetic characters

Charles Semple, Elisa Kasbohm, Ina Maria Deutschmann, Magnus Bordewich, Mareike Fischer, Mike Steel

arxiv:1703.04734 v2 · 2017-03-14 · 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{WXEJ7BXKZN6WVHD4DHVTOJXZQZ}

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	2026-05-18T00:27:46.945613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5c89f86eacb7d6a9c7c19eb3726f98666cc4676f0943c308f674ba7a08263d9

Aliases

arxiv: 1703.04734 · arxiv_version: 1703.04734v2 · doi: 10.48550/arxiv.1703.04734 · pith_short_12: WXEJ7BXKZN6W · pith_short_16: WXEJ7BXKZN6WVHD4 · pith_short_8: WXEJ7BXK

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/WXEJ7BXKZN6WVHD4DHVTOJXZQZ \
  | 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: b5c89f86eacb7d6a9c7c19eb3726f98666cc4676f0943c308f674ba7a08263d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90e58b3716021552fb6cddf2a670621f346e3e04926f9afc604aa105af428079",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2017-03-14T21:20:29Z",
    "title_canon_sha256": "d272d410f659c7c03c0b0811cc7613686fc7e6531a8024468c65991927312ed1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04734",
    "kind": "arxiv",
    "version": 2
  }
}