Pith Number

pith:RYDGVTE3

pith:2010:RYDGVTE36DO2ZRB52HQG2AZ53R

not attested not anchored not stored refs pending

Scaling of Geographic Space from the Perspective of City and Field Blocks and Using Volunteered Geographic Information

Bin Jiang, Xintao Liu

arxiv:1009.3635 v5 · 2010-09-19 · physics.data-an · 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{RYDGVTE36DO2ZRB52HQG2AZ53R}

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	2026-05-18T03:16:38.869561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e066acc9bf0ddacc43dd1e06d033ddc60c587c4673db76a920f8f2bf788800e

Aliases

arxiv: 1009.3635 · arxiv_version: 1009.3635v5 · doi: 10.48550/arxiv.1009.3635 · pith_short_12: RYDGVTE36DO2 · pith_short_16: RYDGVTE36DO2ZRB5 · pith_short_8: RYDGVTE3

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/RYDGVTE36DO2ZRB52HQG2AZ53R \
  | 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: 8e066acc9bf0ddacc43dd1e06d033ddc60c587c4673db76a920f8f2bf788800e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9838a3b8a3279fd94be98c5a1131d79d22ced25db250cd0e81ee1e3b475fbc7",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2010-09-19T12:53:55Z",
    "title_canon_sha256": "3e983f33bd70fb05cdf27ce163187c4002890241b702a79a8e29e5e16b63a237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3635",
    "kind": "arxiv",
    "version": 5
  }
}