Pith Number

pith:XKPRBHEA

pith:2018:XKPRBHEAWLFQHOZTC7EZHSNSNR

not attested not anchored not stored refs pending

The WiLI benchmark dataset for written language identification

Martin Thoma

arxiv:1801.07779 v1 · 2018-01-23 · cs.CV · 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{XKPRBHEAWLFQHOZTC7EZHSNSNR}

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	2026-05-18T00:25:10.881992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba9f109c80b2cb03bb3317c993c9b26c66debfaff94d36d3e944d3efbf7afb04

Aliases

arxiv: 1801.07779 · arxiv_version: 1801.07779v1 · doi: 10.48550/arxiv.1801.07779 · pith_short_12: XKPRBHEAWLFQ · pith_short_16: XKPRBHEAWLFQHOZT · pith_short_8: XKPRBHEA

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/XKPRBHEAWLFQHOZTC7EZHSNSNR \
  | 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: ba9f109c80b2cb03bb3317c993c9b26c66debfaff94d36d3e944d3efbf7afb04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5487e607f9f5bbdffb79823a0d044db84b2a59ff36f42b9882def6f7a04907cb",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-01-23T21:40:53Z",
    "title_canon_sha256": "d1482c9166ce0cbaec55a6c1e88ec499700e620826dab697320f306a84df6c02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07779",
    "kind": "arxiv",
    "version": 1
  }
}