Pith Number

pith:ZIRKMISW

pith:2019:ZIRKMISWKEPQWLJM22AWNM664G

not attested not anchored not stored refs pending

Adaptively selecting occupations to detect skill shortages from online job ads

Benjamin Johnston, Marian-Andrei Rizoiu, Mary-Anne Williams, Nik Dawson

arxiv:1911.02302 v3 · 2019-11-06 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZIRKMISWKEPQWLJM22AWNM664G}

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	2026-07-05T00:49:08.618286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca22a62256511f0b2d2cd68166b3dee180b3ef599e2891450611478f16185578

Aliases

arxiv: 1911.02302 · arxiv_version: 1911.02302v3 · doi: 10.48550/arxiv.1911.02302 · pith_short_12: ZIRKMISWKEPQ · pith_short_16: ZIRKMISWKEPQWLJM · pith_short_8: ZIRKMISW

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/ZIRKMISWKEPQWLJM22AWNM664G \
  | 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: ca22a62256511f0b2d2cd68166b3dee180b3ef599e2891450611478f16185578

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a855a8c25d5604691fcc77ebd2cbdb9a771726a567e919ccc30a67e0d9b026e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-11-06T10:49:08Z",
    "title_canon_sha256": "93b97e7f12f40d2bf3517367d8815911f4cee2386242767921f3d84c24e2960b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.02302",
    "kind": "arxiv",
    "version": 3
  }
}