Pith Number

pith:M2XJV2O2

pith:2018:M2XJV2O2L7MXLIP4QISLFSQKKU

not attested not anchored not stored refs pending

On the Complexity and Typology of Inflectional Morphological Systems

Christo Kirov, Jason Eisner, Mans Hulden, Ryan Cotterell

arxiv:1807.02747 v1 · 2018-07-08 · 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{M2XJV2O2L7MXLIP4QISLFSQKKU}

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	2026-05-18T00:11:16.137548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66ae9ae9da5fd975a1fc8224b2ca0a5536324418548a5c17e1b63ed2805b3934

Aliases

arxiv: 1807.02747 · arxiv_version: 1807.02747v1 · doi: 10.48550/arxiv.1807.02747 · pith_short_12: M2XJV2O2L7MX · pith_short_16: M2XJV2O2L7MXLIP4 · pith_short_8: M2XJV2O2

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/M2XJV2O2L7MXLIP4QISLFSQKKU \
  | 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: 66ae9ae9da5fd975a1fc8224b2ca0a5536324418548a5c17e1b63ed2805b3934

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "286c7ca4632e776d9c98b4819c378488110c641b5ccb9c783da4d1f4a39725ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-07-08T03:32:45Z",
    "title_canon_sha256": "dbd7207ba555ae3d1c464bb6289da1ccf6ff72c741f2eaf568a756da746a7268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02747",
    "kind": "arxiv",
    "version": 1
  }
}