Pith Number

pith:Y6KJZ4UN

pith:2020:Y6KJZ4UNWUVYGKYR66W4SMBR4N

not attested not anchored not stored refs pending

Population Mapping in Informal Settlements with High-Resolution Satellite Imagery and Equitable Ground-Truth

Godwin Yeboah, Jo\~ao Porto de Albuquerque, Konstantin Klemmer, Stephen A Jarvis

arxiv:2009.08410 v1 · 2020-09-17 · cs.CY · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6KJZ4UNWUVYGKYR66W4SMBR4N}

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	2026-07-05T01:36:13.384387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7949cf28db52b832b11f7adc93031e36c62f244c5b76e2838d364c005a43a5f

Aliases

arxiv: 2009.08410 · arxiv_version: 2009.08410v1 · doi: 10.48550/arxiv.2009.08410 · pith_short_12: Y6KJZ4UNWUVY · pith_short_16: Y6KJZ4UNWUVYGKYR · pith_short_8: Y6KJZ4UN

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/Y6KJZ4UNWUVYGKYR66W4SMBR4N \
  | 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: c7949cf28db52b832b11f7adc93031e36c62f244c5b76e2838d364c005a43a5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aa500e694dd4bff83978871a27aa3467e84eab3d48d3ae4a0dab8a0124195c2",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-09-17T16:37:32Z",
    "title_canon_sha256": "fb1f77ab61c1b454c0bd43e3262f6edeb2400ce5a321328f7be6e4e43b96d27c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.08410",
    "kind": "arxiv",
    "version": 1
  }
}