Pith Number

pith:POAPSBZZ

pith:2017:POAPSBZZGNCXD2WSY2OOS2WEQ7

not attested not anchored not stored refs pending

Simulation of Urban Expansion and Farmland Loss in China by Integrating Cellular Automata and Random Forest

Dachuan Zhang, Xiaoping Liu, Yao Yao, Yatao Zhang, Zhaotang Liang

arxiv:1705.05651 v1 · 2017-05-16 · 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{POAPSBZZGNCXD2WSY2OOS2WEQ7}

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	2026-05-18T00:44:20.552424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b80f90739334571ead2c69ce96ac487d2c34028052faeacb3f088b00d3e35b1

Aliases

arxiv: 1705.05651 · arxiv_version: 1705.05651v1 · doi: 10.48550/arxiv.1705.05651 · pith_short_12: POAPSBZZGNCX · pith_short_16: POAPSBZZGNCXD2WS · pith_short_8: POAPSBZZ

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/POAPSBZZGNCXD2WSY2OOS2WEQ7 \
  | 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: 7b80f90739334571ead2c69ce96ac487d2c34028052faeacb3f088b00d3e35b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e8db4d0a190335329d9d1711244780e4cbf4902ded18cca4a4999151168d01a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2017-05-16T11:34:55Z",
    "title_canon_sha256": "05ca4c1773bf55a551c249b398e44e5ff5d249b927383d4a14606e1ac4ebba9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05651",
    "kind": "arxiv",
    "version": 1
  }
}