Pith Number

pith:DZPEWIXC

pith:2016:DZPEWIXC77NIIKEBYS66JCIQX2

not attested not anchored not stored refs pending

A Hierarchical Allometric Scaling Analysis of Chinese Cities: 1991-2014

Jian Feng, Yanguang Chen

arxiv:1607.04875 v2 · 2016-07-17 · 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{DZPEWIXC77NIIKEBYS66JCIQX2}

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	2026-05-17T23:58:05.760901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e5e4b22e2ffda842881c4bde48910bebf3ccba421847f425ab7d31eedae83db

Aliases

arxiv: 1607.04875 · arxiv_version: 1607.04875v2 · doi: 10.48550/arxiv.1607.04875 · pith_short_12: DZPEWIXC77NI · pith_short_16: DZPEWIXC77NIIKEB · pith_short_8: DZPEWIXC

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/DZPEWIXC77NIIKEBYS66JCIQX2 \
  | 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: 1e5e4b22e2ffda842881c4bde48910bebf3ccba421847f425ab7d31eedae83db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "806d9924cd6d9b5f758fe244387cb67e555c992ab5d8f997910374ff2efa1573",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2016-07-17T14:34:56Z",
    "title_canon_sha256": "38cadaf15a8e2f0e6f7df083dc0dc24ce974d295f24262a8da4fd7873fa963f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04875",
    "kind": "arxiv",
    "version": 2
  }
}