Pith Number

pith:G7KL5LDK

pith:2024:G7KL5LDKJDRL3MVYJFUEG3ZBZM

not attested not anchored not stored refs pending

Seeing SDG 6 from space: local-scale monitoring of piped water and sewage system access across Africa using satellite imagery and self-supervised learning

Aya Lahlou, Josh Malcolm Manto, Ka Leung Lam, Nizar Talty, Othmane Echchabi, Tongshu Zheng

arxiv:2411.19093 v5 · 2024-11-28 · cs.CV · cs.CY · 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{G7KL5LDKJDRL3MVYJFUEG3ZBZM}

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	2026-05-20T01:04:51.150261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37d4beac6a48e2bdb2b84968436f21cb01fe6954ab8f6d7252b9d6955c766a7c

Aliases

arxiv: 2411.19093 · arxiv_version: 2411.19093v5 · doi: 10.48550/arxiv.2411.19093 · pith_short_12: G7KL5LDKJDRL · pith_short_16: G7KL5LDKJDRL3MVY · pith_short_8: G7KL5LDK

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/G7KL5LDKJDRL3MVYJFUEG3ZBZM \
  | 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: 37d4beac6a48e2bdb2b84968436f21cb01fe6954ab8f6d7252b9d6955c766a7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ff3f817816ff41cb6c86228c9ff88a953477ca40f30e439189034cac58dc177",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2024-11-28T12:13:46Z",
    "title_canon_sha256": "3791d6128bd094ec21c6bc0ff04740e29df2159818a337ec810baa4eca81eca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.19093",
    "kind": "arxiv",
    "version": 5
  }
}