Pith Number

pith:U5CTZQRJ

pith:2018:U5CTZQRJNBNMGTRDZROUU74C4C

not attested not anchored not stored refs pending

Workforce migration and its economic implications: A perspective from social media in China

Jichang Zhao, Junjie Wu, Xiaoqian Hu

arxiv:1803.07509 v2 · 2018-03-20 · cs.SI · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5CTZQRJNBNMGTRDZROUU74C4C}

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	2026-05-18T00:20:13.313200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7453cc229685ac34e23cc5d4a7f82e090dc10fa8ec462e434c93d30505167ab

Aliases

arxiv: 1803.07509 · arxiv_version: 1803.07509v2 · doi: 10.48550/arxiv.1803.07509 · pith_short_12: U5CTZQRJNBNM · pith_short_16: U5CTZQRJNBNMGTRD · pith_short_8: U5CTZQRJ

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/U5CTZQRJNBNMGTRDZROUU74C4C \
  | 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: a7453cc229685ac34e23cc5d4a7f82e090dc10fa8ec462e434c93d30505167ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa4dd63443e9e32107dc90cc69715938729e7c188c27413333e9dcf353e6b0d6",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-03-20T16:21:05Z",
    "title_canon_sha256": "2e6284a49a9e6a674ff4df3b594e7127488980c1fa7226625d13c7be47d1c159"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07509",
    "kind": "arxiv",
    "version": 2
  }
}