Pith Number

pith:YYT6L2LA

pith:2016:YYT6L2LAXCVY3XL7PDGKI7UK4P

not attested not anchored not stored refs pending

How do Chinese cities grow? A distribution dynamics approach

Jian-Xin Wu, Ling-Yun He

arxiv:1612.02657 v1 · 2016-10-25 · 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{YYT6L2LAXCVY3XL7PDGKI7UK4P}

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	2026-05-18T00:51:41.641544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c627e5e960b8ab8ddd7f78cca47e8ae3f02b1eb953879d23b8f8e6f97e327796

Aliases

arxiv: 1612.02657 · arxiv_version: 1612.02657v1 · doi: 10.48550/arxiv.1612.02657 · pith_short_12: YYT6L2LAXCVY · pith_short_16: YYT6L2LAXCVY3XL7 · pith_short_8: YYT6L2LA

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/YYT6L2LAXCVY3XL7PDGKI7UK4P \
  | 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: c627e5e960b8ab8ddd7f78cca47e8ae3f02b1eb953879d23b8f8e6f97e327796

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f81166d31dd4819762a77b788abdf7f9611cc4d4bc7db9737b88a246e4f39617",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.EC",
    "submitted_at": "2016-10-25T15:22:21Z",
    "title_canon_sha256": "79121cb880664fd5b9947a0a45b6d684e27d0594913ae8400f74f2ec11ad4224"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02657",
    "kind": "arxiv",
    "version": 1
  }
}