Pith Number

pith:LMA4BDAK

pith:2015:LMA4BDAK4S2TE357F72XZ5LQ7J

not attested not anchored not stored refs pending

Describing urban evolution with the fractal parameters based on area-perimeter allometry

Jiejing Wang, Yanguang Chen

arxiv:1511.01174 v1 · 2015-11-04 · 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{LMA4BDAK4S2TE357F72XZ5LQ7J}

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	2026-05-17T23:58:05.908904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b01c08c0ae4b5326fbf2ff57cf570fa6a9e267b86024acc3a8b0ef265f2247b

Aliases

arxiv: 1511.01174 · arxiv_version: 1511.01174v1 · doi: 10.48550/arxiv.1511.01174 · pith_short_12: LMA4BDAK4S2T · pith_short_16: LMA4BDAK4S2TE357 · pith_short_8: LMA4BDAK

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/LMA4BDAK4S2TE357F72XZ5LQ7J \
  | 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: 5b01c08c0ae4b5326fbf2ff57cf570fa6a9e267b86024acc3a8b0ef265f2247b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "377e0226b03e327ff5906cbc5372cb164c195e46b98298ce2dfa4e80d0ad3b06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-11-04T01:00:33Z",
    "title_canon_sha256": "d53e5a71f95e9eb2d5423e05081f560457004768d41c900542a539e326e6f8a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01174",
    "kind": "arxiv",
    "version": 1
  }
}