Pith Number

pith:NOMEYG4W

pith:2020:NOMEYG4WR6LHI6WYAUYCNBZPZI

not attested not anchored not stored refs pending

China's First Workforce Skill Taxonomy

Alex Rutherford, Andrew Reeson, Haohui"Caron" Chen, Iyad Rahwan, Morgan Frank, Weipan Xu, Xiaozhen Qin, Xun Li

arxiv:2001.02863 v1 · 2020-01-09 · econ.GN · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NOMEYG4WR6LHI6WYAUYCNBZPZI}

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	2026-07-05T00:32:24.312173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b984c1b968f96747ad8053026872fca10d306322a6d94dc4c0dee54f2808c86

Aliases

arxiv: 2001.02863 · arxiv_version: 2001.02863v1 · doi: 10.48550/arxiv.2001.02863 · pith_short_12: NOMEYG4WR6LH · pith_short_16: NOMEYG4WR6LHI6WY · pith_short_8: NOMEYG4W

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/NOMEYG4WR6LHI6WYAUYCNBZPZI \
  | 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: 6b984c1b968f96747ad8053026872fca10d306322a6d94dc4c0dee54f2808c86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0c126644a05f73cdd04f766b1bd69066a389f1ac8c208128eff0dafe087cd0b",
    "cross_cats_sorted": [
      "q-fin.EC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2020-01-09T07:03:32Z",
    "title_canon_sha256": "0cf44c2bfd16c977737dc2a26bffed85460da6b3220aa27691f29a9047ca2e48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.02863",
    "kind": "arxiv",
    "version": 1
  }
}