Pith Number

pith:Z5TWHAUC

pith:2018:Z5TWHAUCKPMTXKKXNFSUHD33WT

not attested not anchored not stored refs pending

Species tree inference from genomic sequences using the log-det distance

Colby Long, Elizabeth S. Allman, John A. Rhodes

arxiv:1806.04974 v1 · 2018-06-13 · 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{Z5TWHAUCKPMTXKKXNFSUHD33WT}

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	2026-05-18T00:13:20.411169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf6763828253d93ba9576965438f7bb4c252145b23a07717c439f3a4327f6d85

Aliases

arxiv: 1806.04974 · arxiv_version: 1806.04974v1 · doi: 10.48550/arxiv.1806.04974 · pith_short_12: Z5TWHAUCKPMT · pith_short_16: Z5TWHAUCKPMTXKKX · pith_short_8: Z5TWHAUC

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/Z5TWHAUCKPMTXKKXNFSUHD33WT \
  | 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: cf6763828253d93ba9576965438f7bb4c252145b23a07717c439f3a4327f6d85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1139f5467ad1251243b8965ee4fd0bfdc6650606a242f3f35c8760bb0ba472b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-06-13T12:20:41Z",
    "title_canon_sha256": "c4960795dccd94c86c3b80768bee9510351d9a5afb09a0a27f096ec8f7d40454"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04974",
    "kind": "arxiv",
    "version": 1
  }
}