Pith Number

pith:NKS4NGSI

pith:2019:NKS4NGSIYA6IY5ZOOFQW2ZGASA

not attested not anchored not stored refs pending

Measuring the Expertise of Workers for Crowdsourcing Applications

Arnaud Martin (DRUID), Hosna Ouni (DRUID), Jean-Christophe Dubois (DRUID), Laetitia Gros, Mouloud Kharoune (DRUID), Yolande Le Gall (DRUID), Zolt\'an Mikl\'os (DRUID)

arxiv:1907.10588 v1 · 2019-06-24 · cs.HC · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKS4NGSIYA6IY5ZOOFQW2ZGASA}

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	2026-05-17T23:39:37.514808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aa5c69a48c03c8c772e71616d64c0903f6ada0821f124460a7241cfa0c00c98

Aliases

arxiv: 1907.10588 · arxiv_version: 1907.10588v1 · doi: 10.48550/arxiv.1907.10588 · pith_short_12: NKS4NGSIYA6I · pith_short_16: NKS4NGSIYA6IY5ZO · pith_short_8: NKS4NGSI

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/NKS4NGSIYA6IY5ZOOFQW2ZGASA \
  | 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: 6aa5c69a48c03c8c772e71616d64c0903f6ada0821f124460a7241cfa0c00c98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9afa1fcb5177f7fcd7c9578641662bbda1b4abc248121024c6238463f95c3e7a",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2019-06-24T06:44:01Z",
    "title_canon_sha256": "cb5d048c177d34206ab1a93ee39db1dee9414529564f30185f4c99ba1ee047a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10588",
    "kind": "arxiv",
    "version": 1
  }
}