Pith Number

pith:2M5UJB6I

pith:2023:2M5UJB6IUMDGFBZ6AZIV6CBK4N

not attested not anchored not stored refs pending

Mapping Urban Population Growth from Sentinel-2 MSI and Census Data Using Deep Learning: A Case Study in Kigali, Rwanda

Sebastian Hafner, Stefanos Georganos, Theodomir Mugiraneza, Yifang Ban

arxiv:2303.08511 v1 · 2023-03-15 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2M5UJB6IUMDGFBZ6AZIV6CBK4N}

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	2026-07-05T05:51:34.084810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d33b4487c8a30662873e06515f082ae37e5ee236a4c0d39eeb6a27c320ab6e9e

Aliases

arxiv: 2303.08511 · arxiv_version: 2303.08511v1 · doi: 10.48550/arxiv.2303.08511 · pith_short_12: 2M5UJB6IUMDG · pith_short_16: 2M5UJB6IUMDGFBZ6 · pith_short_8: 2M5UJB6I

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/2M5UJB6IUMDGFBZ6AZIV6CBK4N \
  | 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: d33b4487c8a30662873e06515f082ae37e5ee236a4c0d39eeb6a27c320ab6e9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6b0d7c307bc84ac6fda6e8b60dc8014651e1b47ca72ebd362d5b1f977825519",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-03-15T10:39:31Z",
    "title_canon_sha256": "8183bdcaa8293b5754fb511483e002d7856226a54e9ec6e787770f7c75eeca40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.08511",
    "kind": "arxiv",
    "version": 1
  }
}