Pith Number

pith:7C4BGYAD

pith:2017:7C4BGYAD3JOS7MMCLF72JG4HKD

not attested not anchored not stored refs pending

Measuring the Popularity of Job Skills in Recruitment Market: A Multi-Criteria Approach

Chen Zhu, Hengshu Zhu, Hui Xiong, Pan Li, Tong Xu

arxiv:1712.03087 v1 · 2017-12-06 · 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{7C4BGYAD3JOS7MMCLF72JG4HKD}

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	2026-05-18T00:28:28.372121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8b8136003da5d2fb182597fa49b8750ef1eda66c6e2a57eacbdb331e8a236bf

Aliases

arxiv: 1712.03087 · arxiv_version: 1712.03087v1 · doi: 10.48550/arxiv.1712.03087 · pith_short_12: 7C4BGYAD3JOS · pith_short_16: 7C4BGYAD3JOS7MMC · pith_short_8: 7C4BGYAD

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/7C4BGYAD3JOS7MMCLF72JG4HKD \
  | 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: f8b8136003da5d2fb182597fa49b8750ef1eda66c6e2a57eacbdb331e8a236bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e369693064f7179c1c30d9c37c73d0bb91a775e08b26ec3238ff7b0e89225759",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2017-12-06T11:18:40Z",
    "title_canon_sha256": "13ab0ee5bb02cf56396eff5cad220df59dca5fe762046c9562d0c934cad1bf42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03087",
    "kind": "arxiv",
    "version": 1
  }
}