Pith Number

pith:GPCNOVMX

pith:2019:GPCNOVMXNIQPGH7S6HSSDCKMZF

not attested not anchored not stored refs pending

NSURL-2019 Shared Task 8: Semantic Question Similarity in Arabic

Ahmad Mustafa, Haitham Seelawi, Hesham Al-Bataineh, Hussein T. Al-Natsheh, Wael Farhan

arxiv:1909.09691 v1 · 2019-09-12 · cs.CL · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GPCNOVMXNIQPGH7S6HSSDCKMZF}

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	2026-07-05T00:06:13.399475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33c4d755976a20f31ff2f1e521894cc946bc61fd1254159f9be00d532a437476

Aliases

arxiv: 1909.09691 · arxiv_version: 1909.09691v1 · doi: 10.48550/arxiv.1909.09691 · pith_short_12: GPCNOVMXNIQP · pith_short_16: GPCNOVMXNIQPGH7S · pith_short_8: GPCNOVMX

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/GPCNOVMXNIQPGH7S6HSSDCKMZF \
  | 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: 33c4d755976a20f31ff2f1e521894cc946bc61fd1254159f9be00d532a437476

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "398f4b32f8d45a552f13ab28402fa4bb309da14228084a45fa9414ff0e30e731",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-09-12T14:45:43Z",
    "title_canon_sha256": "889aa0260b5358623aacdb131b87c16ef2ca6150eb5c941a053995a92852fc6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.09691",
    "kind": "arxiv",
    "version": 1
  }
}