Pith Number

pith:43CPS76F

pith:2025:43CPS76FGHZDULBSS32QHQ57D3

not attested not anchored not stored refs pending

Reference-Free Evaluation of Taxonomies

Donnacha Daly, Jennifer Foster, Majid Zarharan, Marc Pouly, Pascal Wullschleger

arxiv:2505.11470 v3 · 2025-05-16 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{43CPS76FGHZDULBSS32QHQ57D3}

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	2026-06-08T01:03:44.523340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6c4f97fc531f23a2c3296f503c3bf1ef969ef8facaf0ada36feb07cdffe386d

Aliases

arxiv: 2505.11470 · arxiv_version: 2505.11470v3 · doi: 10.48550/arxiv.2505.11470 · pith_short_12: 43CPS76FGHZD · pith_short_16: 43CPS76FGHZDULBS · pith_short_8: 43CPS76F

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/43CPS76FGHZDULBSS32QHQ57D3 \
  | 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: e6c4f97fc531f23a2c3296f503c3bf1ef969ef8facaf0ada36feb07cdffe386d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9457ad5a85302166ab6c231597eb17b9053716ca3b7be0c4670488627401810c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-16T17:25:40Z",
    "title_canon_sha256": "eeae0e14a7e688d5519609aabaf1ed4702e74617713a94570e700b2975d19ac7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.11470",
    "kind": "arxiv",
    "version": 3
  }
}