Pith Number

pith:T4CQH2SU

pith:2025:T4CQH2SU7FUH7NR77PR6WAQOZ7

not attested not anchored not stored refs pending

Planning for Rhythmized Urban Parks: Temporal Park Classification and Modes of Action

ChengHe Guan, Kangning Huang, Meizi You, Shengze Chen, Xiyuan Ren, Ying Li

arxiv:2509.02635 v1 · 2025-09-01 · 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{T4CQH2SU7FUH7NR77PR6WAQOZ7}

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	2026-07-02T00:18:10.591653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f0503ea54f9687fb63ffbe3eb020ecfd0e62262bab65d34633c79e0f86c0d1e

Aliases

arxiv: 2509.02635 · arxiv_version: 2509.02635v1 · doi: 10.48550/arxiv.2509.02635 · pith_short_12: T4CQH2SU7FUH · pith_short_16: T4CQH2SU7FUH7NR7 · pith_short_8: T4CQH2SU

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/T4CQH2SU7FUH7NR77PR6WAQOZ7 \
  | 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: 9f0503ea54f9687fb63ffbe3eb020ecfd0e62262bab65d34633c79e0f86c0d1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1839a4aa3c9a03120c753a6fd81b37f1b3758e01728e99bad41e5aafa538df4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2025-09-01T18:41:07Z",
    "title_canon_sha256": "f0d94569f798651def8420f8be5f4adfdcc1ebc9dd127b70400ac6c8999c35b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02635",
    "kind": "arxiv",
    "version": 1
  }
}