Pith Number

pith:FN2OB3L2

pith:2018:FN2OB3L2UKO6VYV5LWXF5LOQNF

not attested not anchored not stored refs pending

Quality Control in Crowdsourcing: A Survey of Quality Attributes, Assessment Techniques and Assurance Actions

Boualem Benatallah, Cinzia Cappiello, Florian Daniel, Mohammad Allahbakhsh, Pavel Kucherbaev

arxiv:1801.02546 v1 · 2018-01-08 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FN2OB3L2UKO6VYV5LWXF5LOQNF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:26:31.203894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b74e0ed7aa29deae2bd5dae5eadd0697b47477ade8f69a483c404d994386218

Aliases

arxiv: 1801.02546 · arxiv_version: 1801.02546v1 · doi: 10.48550/arxiv.1801.02546 · pith_short_12: FN2OB3L2UKO6 · pith_short_16: FN2OB3L2UKO6VYV5 · pith_short_8: FN2OB3L2

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/FN2OB3L2UKO6VYV5LWXF5LOQNF \
  | 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: 2b74e0ed7aa29deae2bd5dae5eadd0697b47477ade8f69a483c404d994386218

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cd42951c0e2792c464096c7a47b8fa5ad24b90f87636c9bc6d7494cd13441a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2018-01-08T16:42:17Z",
    "title_canon_sha256": "c49480eb2b065befde6dc38892baad1cfe42c27e815f70413865c82c61fdc231"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02546",
    "kind": "arxiv",
    "version": 1
  }
}