Pith Number

pith:JMRAOE54

pith:2020:JMRAOE54PMHRIGC5FCVBAVMOP3

not attested not anchored not stored refs pending

Topology Density Map for Urban Data Visualization and Analysis

Haotian Li, Huamin Qu, Shuang-hua Yang, Wei Zeng, Zezheng Feng

arxiv:2007.15828 v4 · 2020-07-31 · cs.HC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JMRAOE54PMHRIGC5FCVBAVMOP3}

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	2026-07-05T02:20:29.233687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b220713bc7b0f14185d28aa10558e7ee9c72688cb2aef8163d28ff26e83236e

Aliases

arxiv: 2007.15828 · arxiv_version: 2007.15828v4 · doi: 10.48550/arxiv.2007.15828 · pith_short_12: JMRAOE54PMHR · pith_short_16: JMRAOE54PMHRIGC5 · pith_short_8: JMRAOE54

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/JMRAOE54PMHRIGC5FCVBAVMOP3 \
  | 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: 4b220713bc7b0f14185d28aa10558e7ee9c72688cb2aef8163d28ff26e83236e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb402c7ca0f32682c33e79fb7ba3dab2d8063714f0303dcf389be9fa8e7c05a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2020-07-31T03:48:28Z",
    "title_canon_sha256": "bfb2d1bfbf0dbd5c850205839cacddef714d46c563accc9c5177d4527f43d549"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.15828",
    "kind": "arxiv",
    "version": 4
  }
}