Pith Number

pith:J262OPRY

pith:2017:J262OPRY2L6X2AUDDNIRZNL22A

not attested not anchored not stored refs pending

Species notions that combine phylogenetic trees and phenotypic partitions

Anica Hoppe, Mike Steel, Sonja T\"urpitz

arxiv:1711.08145 v1 · 2017-11-22 · 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{J262OPRY2L6X2AUDDNIRZNL22A}

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	2026-05-18T00:29:50.566626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ebda73e38d2fd7d02831b511cb57ad03576f36dcf902921517f8fb1ef9be826

Aliases

arxiv: 1711.08145 · arxiv_version: 1711.08145v1 · doi: 10.48550/arxiv.1711.08145 · pith_short_12: J262OPRY2L6X · pith_short_16: J262OPRY2L6X2AUD · pith_short_8: J262OPRY

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/J262OPRY2L6X2AUDDNIRZNL22A \
  | 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: 4ebda73e38d2fd7d02831b511cb57ad03576f36dcf902921517f8fb1ef9be826

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a153cbf6b8a66b0be95c10c7c1dd8af6df10b071f709ffceed45f812760674c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2017-11-22T06:17:21Z",
    "title_canon_sha256": "f37598d9f5efe95e0b5ce86f76a28c6e3615f5ff88b636bf1affe717ad08c6f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08145",
    "kind": "arxiv",
    "version": 1
  }
}