Pith Number

pith:SIFNXXIT

pith:2019:SIFNXXITXYFJ4DRHAWADMWX6SE

not attested not anchored not stored refs pending

CLaRO: a Data-driven CNL for Specifying Competency Questions

C. Maria Keet, Mary-Jane Antia, Zola Mahlaza

arxiv:1907.07378 v1 · 2019-07-17 · cs.AI · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIFNXXITXYFJ4DRHAWADMWX6SE}

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	2026-05-17T23:40:22.423354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

920adbdd13be0a9e0e270580365afe91380a57044291d228da2ef80eb588e7c2

Aliases

arxiv: 1907.07378 · arxiv_version: 1907.07378v1 · doi: 10.48550/arxiv.1907.07378 · pith_short_12: SIFNXXITXYFJ · pith_short_16: SIFNXXITXYFJ4DRH · pith_short_8: SIFNXXIT

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/SIFNXXITXYFJ4DRHAWADMWX6SE \
  | 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: 920adbdd13be0a9e0e270580365afe91380a57044291d228da2ef80eb588e7c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6a9a14ad6555eb7f51f18b47e9c1de54d946e29e48d82100bd33f699272c4ab",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-07-17T08:18:36Z",
    "title_canon_sha256": "08b2ebed00c6ce8d35f5b6575fbfa5fde8b65b894c1bb57e8e03112c520bc2b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07378",
    "kind": "arxiv",
    "version": 1
  }
}