Pith Number

pith:MKF3R5IW

pith:2019:MKF3R5IWFTVA6LNZ2FWNVRA5W5

not attested not anchored not stored refs pending

Enhancing the Demand for Labour survey by including skills from online job advertisements using model-assisted calibration

Greta Bia{\l}kowska, Katarzyna Zadroga, Krzysztof Marcinkowski, Maciej Ber\k{e}sewicz, Magdalena Ma\'slak, Piotr Opiela, Robert Pater

arxiv:1908.06731 v1 · 2019-08-08 · econ.GN · q-fin.EC · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MKF3R5IWFTVA6LNZ2FWNVRA5W5}

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	2026-07-05T02:46:39.845032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

628bb8f5162cea0f2db9d16cdac41db776125c8fad3a595a930ee70c3c49ae6f

Aliases

arxiv: 1908.06731 · arxiv_version: 1908.06731v1 · doi: 10.48550/arxiv.1908.06731 · pith_short_12: MKF3R5IWFTVA · pith_short_16: MKF3R5IWFTVA6LNZ · pith_short_8: MKF3R5IW

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/MKF3R5IWFTVA6LNZ2FWNVRA5W5 \
  | 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: 628bb8f5162cea0f2db9d16cdac41db776125c8fad3a595a930ee70c3c49ae6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df26dff70fbfa4b0ce8fb22fe32c1ef16fb0f5590baacb169bb26536c9d8a474",
    "cross_cats_sorted": [
      "q-fin.EC",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2019-08-08T10:43:33Z",
    "title_canon_sha256": "8c1a57e48098f84d5a4da50231a3dc4325dfe047720b91300533e20b1aad4b50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06731",
    "kind": "arxiv",
    "version": 1
  }
}