Pith Number

pith:4YJ6GN5Y

pith:2011:4YJ6GN5YAYYVSYDO45FLFBBFLL

not attested not anchored not stored refs pending

Reconciling taxonomy and phylogenetic inference: formalism and algorithms for describing discord and inferring taxonomic roots

Aaron Gallagher, Frederick A. Matsen

arxiv:1109.5423 v2 · 2011-09-26 · q-bio.PE · 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{4YJ6GN5YAYYVSYDO45FLFBBFLL}

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	2026-05-18T04:11:51.118003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e613e337b8063159606ee74ab284255ae746b29c097848927906dac6d7bfaf5d

Aliases

arxiv: 1109.5423 · arxiv_version: 1109.5423v2 · doi: 10.48550/arxiv.1109.5423 · pith_short_12: 4YJ6GN5YAYYV · pith_short_16: 4YJ6GN5YAYYVSYDO · pith_short_8: 4YJ6GN5Y

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/4YJ6GN5YAYYVSYDO45FLFBBFLL \
  | 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: e613e337b8063159606ee74ab284255ae746b29c097848927906dac6d7bfaf5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "351af4f6d37fea3fc23bdac8c34a744afb25fcbe29d2f512c24bd531fe60fd6c",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-09-26T01:00:52Z",
    "title_canon_sha256": "74082351078ecd4cfaab68de28bbd2e584e4d4a760ee9b577a3026c5b2a8c9b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5423",
    "kind": "arxiv",
    "version": 2
  }
}